Hunan great steel pipe co.,ltd mainly provide carbon steel pipe, seamless steel pipe, erw steel pipe, ssaw steel pipe, lsaw steel pipe as a professional steel pipe manufacturer.
ERW Steel Pipe( Electric Resistance Welded Steel Pipe ) Standard:API SPEC 5L, GB/T 9711-1, GB/T 9711-2, ISO 3183-1, ISO 3193-2 Application:For conveying gas, water, and oi l in both the oil and natural gas industries. -
3PE Coating Steel Pipe Sizes Coating Type Coating Layer Coating Thickness Three layers polyethylene Inside layer: epoxy (Green) 2.0-4.5mm Mid layer: adhensive (White) Outsidelayer:polyethylene (Black) Two layers polyethylene Inside layer: adhensive 2.0-4.5mm Outside layer: polythene Epoxy Epoxy 200-400um Two layers epoxy Inside layer: expoxy (Green) 400-800um Outside layer:intensity epoxy (sage green) Three layers polyethylene Inside layer: expoxy (Green) 2.5-3mm Mid layer: adhensive (White) Outside layer: polypropylene (White) -
Submerged arc straight seam welded pipe production equipment, is located in tianjin and hebei province to be able to provide the required product in the shortest possible time for customers. In order to produce high-end, meet different projects, we introduced the world's top-class equipment to product different specifications international standard straight seam submerged arc welding pipe. According to the different ways of production, we have different production range: 1. UOC production range: Out diameter from 508mm to 1118mm, wall thickness from 5mm to 25.4mm; 2. JOCE production range: Out diameter from 406mm to 1829mm, wall thickness from 6mm to 75mm.
HUNAN GREAT STEEL PIPE CO.,LTD is one of the leading steel pipe manufacturer from China,which occupy 10% of the total China steel pipe export quantity. We can meet clients demand for different size of ASTM,JIS,DIN,EN,API,BS standard pipe and tube.
We deals in the following products of India, China, Taiwan and Korea Origin:- 1)Hot Rolled Steel (Hot Rolled Sheets, Hot Rolled Coils, Hot Rolled Plates, Hot Rolled Bars etc) 2)Galvanized Steel (Galvanized Steel Tapes, Galvanized Steel Wires, Galvanized Steel Strips, Galvanized Steel Coils, Galvanized tubes etc) 3)Cold Rolled Steel (Cold Rolled Steel Strips, Cold Rolled Steel Coils, Cold Rolled Sheets etc) 4)Stainless Steel (Stainless Steel Strips, Stainless Steel Coils, Stainless Steel Wire, Hardened and Tempered Spring Steel, Stainless Spring Steel, Spring Steel Wires etc) 5)Steel Tube and Pipes ( ERW, CRW, CRS, Black, Galvanized, Stainless ) 6)Forged Column Clamps, Girder Clamps, Pressed Clamps, Rapid Clamps, Support Clamps & Wedge Clamps. 7)Heavy Duty Props & Light Duty Props. 8)Nuts, Bolts, Nails & Fastners 9)System Scaffolding, Base Plate & Adjustable Base. 10)Steel Tie Rod, Waller Plates and Wing Nuts. 11)Drop Forged and Pressed Sheet Metal Couplers of all types. 12)Steel Billets, Steel Angle & Steel Channels.
High Precision Steel Pipe for Gas spring Cylinder Type:Seamless and Welded Steel Tube Roughness 0.1-0.8ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020 Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101 Size :OD 3mm-140mm Thickness 0.5-20mm Processing :Cold rolled /cold drawn 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. Usage: Gas Spring Cylinder
Product Name Precision Steel Pipe Standard DIN2391 EN10305-1 ASTMA179 ASTM A192 ASTM A519 Material SAE1010,SAE1020,#10,#20,#45,304,316 Outer diameter 8MM-50MM Wall thickness 0.5-50.0MM Length fixed(3-12m) or customized Technology High precision Cold drawn/ Cold rolled Heat treatment BK/BKS/NBK Advantages Short delivery time Quality assurance Competitive price
High Precision Steel Pipe for Gas spring Cylinder Type:Seamless and Welded Steel Tube Roughness 0.1-0.8ra Material E195-E235,Q195-Q235,#10,#20,#45,SAE1010,SAE1020 Surface:Black/bright Standard:DIN, GB, JIS, DIN 17175, DIN 2391, GB 5310-1995, GB/T 13793-1992, GB/T 3094-2000, GB/T 8163-1999, JIS G3101 Size :OD 3mm-140mm Thickness 0.5-20mm Processing :Cold rolled /cold drawn 1. BK (+C) No heat treatment after last cold forming process. 2. BKW (+LC) After last heat treatment there is a light finishing pass (cold drawing) 3. BKS (+SR) After the final cold forming process the tubes are stress relieve annealed. 4. GBK (+A) After the final cold forming process the tubes are annealed in a controlled atmosphere. 5. NBK (+N) After the final cold forming process the tubes are annealed above the upper Woven bag / wooden or crate carton/ Bundle Packing/ Plain end or vanished as per customer's request. Usage: Gas Spring Cylinder
