Welded Structural Steel Pipe Pipe Type: Structural Pipe, Structural Welded Pipe, Welded Structural Pipe Application: In the Structural Engineering Area and Construction Industry Specification: OD: 88.9mm ~ 660mm WT: 3mm ~ 17.5mm LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL) Standard & Grades: ASTM A500 Grade 1/2/3, EN 10219 End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosive Coating Packing: Bundled/In Bulk, Plastic Caps plugged, Waterproof Paper wrapped Technical data Chemical Composition Grade C Mn P S Si Cr Mo 1010 0.08-0.13 0.30-0.60 â?¤0.04 â?¤0.05 - - - 1020 0.08-0.23 0.30-0.60 â?¤0.04 â?¤0.05 - - - 1045 0.43-0.50 0.60-0.90 â?¤0.04 â?¤0.05 - - - 4130 0.28-0.33 0.40-0.60 â?¤0.04 â?¤0.05 0.15-0.35 0.80-1.10 0.15-0.25 4140 0.38-0.43 0.75-1.00 â?¤0.04 â?¤0.05 0.15-0.35 0.80-1.10 0.15-0.25 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Technical data Standard Out Diameter Tolerance of Pipe End Tolerance of Pipe Body API 5L 219.1 273.1 +1.6mm, -0.4mm ±0.75% 274.0 320 +2.4mm, -0.8mm ±0.75% 323.9 457 +2.4mm, -0.8mm ±0.75% 508 +2.4mm, -0.8mm ±0.75% 559 610 +2.4mm, -0.8mm ±0.75% Standard Grade Out Diameter Wall Thickness API 5L A 219.1 457 +15%, -12.5% B 508 610 +17.5%, -12.5% X42-X80 508 610 +19.5%, -8%
Classification : Hastelloy Alloy Hastelloy Alloy Pipe is a versatile austenitic nickel-chromium-molybdenum-tungsten alloy with enhanced resistance to pitting, crevice corrosion and stress corrosion cracking. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungst en content give good resistance to reducing media.Hastelloy Alloy Pipe is particularly useful for resistance to pitting and crevice corrosion in acid-halide environments.
Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN65 DN80 DN100 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091 2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN65 DN80 DN100 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091 2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN6 DN8 DN10 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091 2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Classification : Hastelloy Alloy Hastelloy Alloy Pipe is a versatile austenitic nickel-chromium-molybdenum-tungsten alloy with enhanced resistance to pitting, crevice corrosion and stress corrosion cracking. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungst en content give good resistance to reducing media.Hastelloy Alloy Pipe is particularly useful for resistance to pitting and crevice corrosion in acid-halide environments.
Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN65 DN80 DN100 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091â??â??2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN65 DN80 DN100 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091 2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period.
DN65 Galvanized pipe Galvanized steel pipes are divided into cold galvanized steel pipes and hot galvanized steel pipes, cold galvanized steel pipes have been banned, the latter is also advocated by the state can be used temporarily. In the sixties and seventies, developed countries began to develop new types of pipes, and one after another, galvanized pipes were banned. Nowadays, galvanized pipes are rarely used for cold water in new communities. Hot-dip galvanized pipes are widely used in fire-fighting, electric power, highways and other fields. Product Name Galvanized pipe Technique Longitudinal Electronic Resistance Welding (ERW),High Frequence Welding (HFW) Invoicing by actual weight Outside Diameter 10mm-1020mm or as your request. Surface Galvanized, 3PE, painting, coating oil, steel stamp, etc. Thickness DN50 DN65 DN80 DN100 DN125 DN200 DN450 Trade Terms FOB, CFR, CIF, EXW. Certification BV, ISO, IAF or as per customer. Country Of Origin ShanDong,China Mode Of Payment T/T L/C Delivery Time 7-15 Days Standard GB/T3091 2008/GBT3091-2015/GB/T13793-2016 /GB/T21835-2008 Warehouse Storage Shandong Jintuo Metal Materials Co., Ltd is located in Liaocheng City, the capital of steel tubes. It is a large enterprise specializing in the sales of carbon steel, stainless steel, galvanized color coated products, and copper and aluminum.Our company adopts a flexible business approach and management mechanism to provide good services to customers, while also considering the interests of the owner and the project, in order to ensure the quality of the project. Packing and shipping Our products are exported to multiple overseas countries and regions such as Europe, America, South Asia, Southeast Asia, Africa, and Latin America, and have won the trust and support of customers with excellent quality and service. During the supply process, the company can timely use sufficient funds to adjust the production variety and model of the steel plant, ensuring the use needs during the peak construction period. Application field The company adheres to the corporate spirit of never being satisfied and striving to surpass, and continuously creates new brilliance with the new economic concept of continuous innovation. Reward guests and friends from all over the world with satisfactory service. Our company is willing to cooperate closely with friends from all walks of life at home and abroad, and work together to create a better tomorrow
Classification : Inconel Alloy Inconel Pipe It has good high-temperature corrosion resistance and oxidation resistance, excellent cold and hot processing and welding process performance, and satisfactory thermal strength and high plasticity below 700. Alloys can be strengthened by cold working, and can also be joined by resistance welding, fusion welding, or brazing.
Classification : Monel Alloy 1.According to the preparation process can be divided into deformation superalloys, casting superalloys and powder metallurgy superalloys. 2.According to the strengthening mode, there are solid solution strengthening type, precipitation strengthening type, oxide dispersion strengthening type and fiber strengthening type, etc.
We produce and sell steel pipes, carbon steel pipe, GI pipe, carbon steel pipe , SS pipes and Spiral steel pipe in long term. Our factory have plenty of steel in stock and customers can find the right products. GI pipe Q195, Q235, Q345, Stainless Steel (SS pipe) 201, 304, 316, 316L Seamless Pipe 42crmo, 20, 35, 45 OD Size 12mm, 20mm, 25mm, 40mm, 50mm, 10mm-600mm Buyers please send us steel pipe specificationss on OD size, wall thickness, steel grades and quantity to quote cost.
Polished 304 Stainless Pipe is a standard stainless pipe that has been polished to a 180 Grit Brushed Finish on its exterior for cosmetic and ornamental applications. Unlike the dull mill finish of standard stainless pipe, this polished stainless steel pipe allows your projects to have a more finished look with excellent corrosion resistance making it ideal for handrails, architectural design, restaurant and store fixtures, trade show displays, marine components and more. Just like standard stainless pipe it has an interior weld seam. SPECIFICATIONS: Type 304/304L Welded, ASTM A312 FINISH: 180 Grit Polish, Brushed Finish CHARACTERISTICS: Welding = Excellent Machining / Grinding = Fair Bending / Forming = Good Wear Resistance = Excellent Corrosion Resistance = Excellent MECHANICAL PROPERTIES: Tensile Strength = 85,800 psi Yield Point = 34,000 psi Elongation = 60% in 2" ; Elasticity = 29,000 ksi Shearing Strength = 11,500 psi Brinell Hardness = 170; Density = .289 lb/in AVAILABLE LENGTHS: 4ft. 6ft, 8ft, 10ft, 20ft, or Cut to Size
Use of Hastelloy C-276 Stainless steel pipe: 1. The heater is generally used in the oil refining unit; 2. Chemical plant equipment pipeline; 3. Fast cooling cylinder for solid solution used in textile industry; 4. Seamless steel pipe for heat exchanger and condenser. 5. High pressure seamless steel pipe for food (gb-2000) is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of - 40~400 �° C and working pressure of 10~30ma. 6. Seamless steel pipes for geological drilling and oil drilling control. 7. Cracking pipe for petrochemical industry is used to transport high-temperature and high-pressure fluid on fertilizer equipment. Hastelloy C-276 Stainless steel pipe Standard Food Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249) Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2 Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3 Drinking water tube: GB / T 19228 Mechanical tube: ASTM A554, EN 10296-2 Size Outer Diameter Range: 9.5~2000mm Thickness Range: 0.5~20mm (Size can be customized.) Length: Up to 11.8 meters per piece. Shape Section Round, square, rectangular Application Sanitary tubing: for food processing industry, beverage industry, sugar mill and so on; Heat exchanger tube: condenser, boiler, super heater, evaporator and so on; Industiral pipe: for petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage system, and so on; Mechanical tube: handrail, railings, balustrade, hence and so on. Features: 1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3�¼m. 2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing. 3. Thick welding, good appearance.The mechanical properties of tube could be tested. 4. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015. 5. Full material traceability is guaranteed during the manufacturing process. 6. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness. 7. Internal Bore: Tubes have a smooth, clean and crevice free bore.
About uses of Monel400 alloy: various heat exchange equipment, boiler feed water heaters, pipelines, containers, pumps, valves, shafts, etc. in petroleum and chemical processing, seawater desalination equipment, salt production equipment, propeller shafts, gasoline and water tanks, etc. Monel400 stainless steel pipe Standard Food Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249) Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2 Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3 Drinking water tube: GB / T 19228 Mechanical tube: ASTM A554, EN 10296-2 Size Outer Diameter Range: 9.5~2000mm Thickness Range: 0.5~20mm (Size can be customized.) Length: Up to 11.8 meters per piece. Shape Section Round, square, rectangular Application Sanitary tubing: for food processing industry, beverage industry, sugar mill and so on; Heat exchanger tube: condenser, boiler, super heater, evaporator and so on; Industrial pipe: for petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage system, and so on; Mechanical tube: handrail, railings, balustrade, hence and so on. Features: 1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3 m. 2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing. 3. Thick welding, good appearance.The mechanical properties of tube could be tested. 4. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015. 5. Full material traceability is guaranteed during the manufacturing process. 6. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness. 7. Internal Bore: Tubes have a smooth, clean and crevice free bore.
Use of 2507 stainless steel pipe: 1. The heater is generally used in the oil refining unit; 2. Chemical plant equipment pipeline; 3. Fast cooling cylinder for solid solution used in textile industry; 4. Seamless steel pipe for heat exchanger and condenser. 5. High pressure seamless steel pipe for food (gb-2000) is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of - 40~400 C and working pressure of 10~30ma. 6. Seamless steel pipes for geological drilling and oil drilling control. 7. Cracking pipe for petrochemical industry is used to transport high-temperature and high-pressure fluid on fertilizer equipment. 2507 stainless steel pipe Standard Food Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249) Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2 Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3 Drinking water tube: GB / T 19228 Mechanical tube: ASTM A554, EN 10296-2 Size Outer Diameter Range: 9.5~2000mm Thickness Range: 0.5~20mm (Size can be customized.) Length: Up to 11.8 meters per piece. Shape Section Round, square, rectangular Application Sanitary tubing: for food processing industry, beverage industry, sugar mill and so on; Heat exchanger tube: condenser, boiler, super heater, evaporator and so on; Industiral pipe: for petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage system, and so on; Mechanical tube: handrail, railings, balustrade, hence and so on. Features: 1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3�¼m. 2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing. 3. Thick welding, good appearance.The mechanical properties of tube could be tested. 4. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015. 5. Full material traceability is guaranteed during the manufacturing process. 6. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness. 7. Internal Bore: Tubes have a smooth, clean and crevice free bore.
Use of 2205 stainless steel pipe: 1. The heater is generally used in the oil refining unit; 2. Chemical plant equipment pipeline; 3. Fast cooling cylinder for solid solution used in textile industry; 4. Seamless steel pipe for heat exchanger and condenser. 5. High pressure seamless steel pipe for food (gb-2000) is a high-quality carbon structural steel and alloy steel seamless steel pipe suitable for chemical equipment and pipes with working temperature of - 40~400 C and working pressure of 10~30ma. 6. Seamless steel pipes for geological drilling and oil drilling control. 7. Cracking pipe for petrochemical industry is used to transport high-temperature and high-pressure fluid on fertilizer equipment. 2205 stainless steel pipe Standard Food Grade Sanitary Tube: JIS G3447, KS D 3585, ASTM A270, EN 10357(DIN 11850), AS 1528.1, ISO 2037(NF A49-249) Heat exchanger tube: ASTM A249 / ASME SA249, GB / T 24593-2009, HG 20537.2 Industrial pipe: ASTM A312, EN 10217-7, GB / T 12771-2008, HG 20537.3 Drinking water tube: GB / T 19228 Mechanical tube: ASTM A554, EN 10296-2 Size Outer Diameter Range: 9.5~2000mm Thickness Range: 0.5~20mm (Size can be customized.) Length: Up to 11.8 meters per piece. Shape Section Round, square, rectangular Application Sanitary tubing: for food processing industry, beverage industry, sugar mill and so on; Heat exchanger tube: condenser, boiler, super heater, evaporator and so on; Industiral pipe: for petroleum delivery, gas delivery, petrochemical industry, wastewater treatment, drainage system, and so on; Mechanical tube: handrail, railings, balustrade, hence and so on. Features: 1.Our stainless steel tubes pipes are treated by bright annealing, inside weld bead removing, precise polishing. The roughness of tubes could be under 0.3�¼m. 2.We have the non destructive testing ( NDT ), eg. online eddy current inspection and hydraulic or airtightness testing. 3. Thick welding, good appearance.The mechanical properties of tube could be tested. 4. And Our tubes are certificated by AD 2000-W0, PED 2014/68/EU, ISO 9001 : 2015. 5. Full material traceability is guaranteed during the manufacturing process. 6. Polished tube is supplied in individual plastic sleeves with capped ends ensuring optimum cleanliness. 7. Internal Bore: Tubes have a smooth, clean and crevice free bore.