Standard: GB3091-2015, BS1387-1985, ASTM A500 GRADE A,B,C, ASTM A795, ISO65, ASTM A53, STK400 Grade : Q235B,Q345B,SS400, S235JR ASTM A500 GRADE A,B,C Thickness : 2.0mm-10.0mm Section Shape: Circular Place of Origin : Hebei Province Outer Diameter: 21.3mm-219mm Technique: ERW Certification : ISO\CE\SRIM Application: GAS TRANSFER, fire-fighting water transfer Surface Treatment: hot dipped galvanized/ OILED / BLACK PAINTING /lacquer End finished: BS / ANSI /GB standard threaded with or without couple Packaging&Deliver Packaging Details: Bulk, Bundle Delivery Detail: bulk or container.
Place of Origin: Hebei, China Brand Name: ZDP Application: Fluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Structure Pipe Alloy Or Not: Non-Alloy Section Shape: Round Special Pipe: API Pipe, EMT Pipe, Thick Wall Pipe Thickness: 0.8-12.75MM Standard: EN Length: 12M, 6m, 6.4M Certificate: API, ce, sirm, JIS, ISO9001 Technique: ERW Grade: Q235, Q235B, S275, S275jr, A53, st37, etc Surface Treatment: Hot Rolled Processing Service: Welding, Punching, Cutting, Bending, Decoiling, packing Oiled or Non-oiled: Non-oiled Invoicing: by theoretical weight
Place of Origin: Hebei, China Brand Name: ZDP Application: Fluid Pipe, Drill Pipe, Hydraulic Pipe, Gas Pipe, OIL PIPE, Structure Pipe Alloy Or Not: Non-Alloy Section Shape: Round Special Pipe: API Pipe, EMT Pipe, Thick Wall Pipe Thickness: 0.8-12.75MM Standard: EN Length: 12M, 6m, 6.4M Certificate: API, ce, sirm, JIS, ISO9001 Technique: ERW Grade: Q235, Q235B, S275, S275jr, A53, st37, etc Surface Treatment: Hot Rolled Processing Service: Welding, Punching, Cutting, Bending, Decoiling, packing Oiled or Non-oiled: Non-oiled Invoicing: by theoretical weight
The seamless steel pipe is produced by the hot-rolled process and cold-drawn technology forming, the strength of hot-rolled seamless steel pipe is stronger than cold-drawn seamless steel pipe. PRODUCT DESCRIPTION Product Properties The seamless steel pipe is produced by the hot-rolled process and cold-drawn technology forming, the strength of hot-rolled seamless steel pipe is stronger than cold-drawn seamless steel pipe. Standard: GB Steel grade: Q235, 10#, 20#, 35#, 45#, Q215, Q345, 12Cr1Mov, 15CrMo, 20Cr, 40Cr, 20CrMo, 35CrMo, 42CrMo, 40CrNiMo, GCr15, 9Cr18, 65Mn, 50Mn, 50Cr, 3Cr2W8V, 20CrMnTi , 5CrMnMo, 20G, 12Cr1MovG, 15CrMoG Certification: ISO Surface treatment: natural color Technology: hot rolling, cold drawing, finishing rolling Application: Steel pipes for transportation pipelines, engineering structures, thermal equipment, petrochemical industry, machinery manufacturing, geological drilling, high-pressure equipment, etc.;
Standard API-5L, SY/T5037-2012 Grade Q235B,Q345B,SS400, S235JR, X70 Thickness 6mm-18mm Place of Origin Handan Hebei , China Outer Diameter 219-2020 Technique ERW Certification ISO , API 5L Application: Structure pipe Surface Treatment: Gas pipe, Fluid pipe. Oil pipe , water Packaging&Deliver Packaging Details : Bundle Delivery Detail: bulk or container
Standard GB6728-2017, ASTM A500 GRADE A, B,C, EN10219 Grade Q235B,Q355B,SS400, S235JR,S275JR, S275J0R, S275J2R, S355JR,S355J0R, S355J2R Thickness 1.2mm-18mm Section Shape Square and Rectangle Place of Origin Handan Hebei , China Outer Diameter 20X20-300X300 & 20X40-400X200 Technique ERW Certification ï¼?CE, SIREM ,ISO Application: Structure pipe Surface Treatment: � Hot dipped galvanized or Oil or Black painting/Lacquer Packaging&Deliver Packaging Details : Bundle Delivery Detail : bulk or container
Standard:GB3091-2015,BS1387-1985,ASTM A500 GRADE A,B,C, Grade Q235B,Q345B,SS400, S235JR ASTM A500 GRADE A,B,C Thickness 2.0mm-10.0mm Section Shape :Circular Place of Origin Hebei  Province Outer Diameter 21.3mm-219mm TechniqueERW Certification ISO CE SRIM Application GAS TRANSFER,fire-fighting water transfer Surface Treatment :hot dipped galvanized/ OILED / BLACK PAINTING /lacquer End finished:  BS / ANSI /GB standard threaded with or without couple Packaging&Deliver Packaging Details: BulkBundle Delivery Detail:  bulk or container
Standard:GB3091-2015,BS1387-1985,ASTM A500 GRADE A,B,C, Grade Q235B,Q345B,SS400, S235JR� ASTM A500 GRADE A,B,C� Thickness  2.0mm-10.0mm Section Shape :Circular Place of Origin Hebei Province Outer Diameter 21.3mm-219mm TechniqueERW Certification ISO CE SRIM Application GAS TRANSFER,fire-fighting water transfer Surface Treatment :hot dipped galvanized/ OILED / BLACK PAINTING /lacquer End finished:  BS / ANSI /GB standard threaded with or without couple Packaging&Deliver Packaging Details: BulkBundle Delivery Detail:  bulk or container
Basic Info. Model NO. OD 30MM--300MM After-sales Service Trustable Service Warranty Trustable Service Type Seamless Technique Cold Drawn Material Carbon Steel Usage Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose Section Shape Round Grinding Cold Drawn Seamless Tubes Hydraulic Cylinders Purpose Materials 20# 45# 16mn 25mn 27simn E355 St52 Ck45 Stkm13A S Delivery Condition Bk/Bkw/Bks/Gbk/Nbk Delivery Time Within 20-30 Days After Receiving P Trade Terms Fob Shanghai, Qingdao, Tianjin or as Application Widely Used for Hydraulic Cylinder, E Technology Cold Draw Cold Rolled 20â?² FCL Loading Length Less Than 5,800mm 40â?² FCL Loading Length Less Than 11,800mm Bulk Cargo Quantity More Than 100mt ~300mt Price Ite : Fob, CFR, CNF, C&F, CIF. Trademark XUD STEEL Transport Package Standard Seaworthy Package Specification OD 30-300MM Origin China
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-Main standards and steel grades: API 5L GrB ASTM A106 GrB - Scope of supply: Diameter: 6 ½ 762, wall thickness: 0.5 88mm. ASTM A106 ASTM A53 ASTM A501
Longitudinal welded pipe APL 5L, size range, steel grade range.
Galvanized Square Pipe standard: ASTM, DIN, ISO, EN, JIS, GB, etc. Material: Q195-Q345 Q235 Q195 Q215 ST35-ST52 ST37 , etc. Wall thickness: 0.5mm-30mm, or as required. Outer diameter: 10mm 20mm-300mm 500mm, or as required. Length: 6m-12m, or as required. Surface: Galvanized, 3PE, painting, coating oil, steel stamp, drilling, etc. Package: Standard export package, or as required. Price term: EXW, FOB, CIF, CFR, CNF, etc. Payment: T/T, L/C, Western Union, etc. Galvanized square pipe is a hollow square section steel pipe with a square section shape and size made of hot-rolled or cold-rolled galvanized strip steel or galvanized coil as a blank, cold-bent and formed by high-frequency welding. , Or a galvanized rectangular tube made of cold-formed hollow steel pipe prepared in advance and then processed by hot-dip galvanizing. Galvanized square pipes are divided into hot-dip galvanized square pipes and cold-galvanized square pipes from the production process. It is precisely because the processing of these two galvanized square tubes is different that they have many different physical and chemical properties. In general, they have many differences in strength, toughness and mechanical properties.
Shan Dong Lu steel Group Co., Ltd is a professional production of Small seamless steel Pipe supplier Small seamless steel Pipe Outer diameter: 4mm-89mm, or as required. Wall thickness: 0.5mm-25mm, or as required. Length: 1m-12m, or as required. Surface: Lightly oiled, hot dip galvanized, electro-galvanized, black, bare, varnish coating/anti-rust oil, protective coating, etc. Package: Standard export package, or as required. Price term: EXW, FOB, CIF, CFR, CNF, etc. Payment: T/T, L/C, Western Union, etc. Export to America, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arab, etc. The website: https://www.lu-steelgroup.com Seamless steel pipes with small outer diameters can be called small-diameter seamless steel pipes. Small-diameter seamless steel pipes can also be divided into: seamless small-diameter steel pipes and straight seam (also called welded) small-diameter seamless steel pipes. The outer diameter of the steel pipe is 89mm or less, 4mm or more; they can be collectively referred to as small-diameter seamless steel pipes.
Shan Dong Lu steel Group Co., Ltd is a professional production of Thick wall seamless steel pipe supplier Thick wall seamless steel pipe standard: ASTM, DIN, ISO, EN, JIS, GB, etc. Material: ASTM A106B ASTM A53B API 5L Gr.B ST52 ST37 ST44 Outer diameter: 20mm-1200mm, or as required. Wall thickness: 0.5mm-25mm, or as required. Length: 1m-12m, or as required. Surface: Lightly oiled, hot dip galvanized, electro-galvanized, black, bare, varnish coating/anti-rust oil, protective coating, etc. Package: Standard export package, or as required. Price term: EXW, FOB, CIF, CFR, CNF, etc. Payment: T/T, L/C, Western Union, etc. Export to America, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arab, etc. The production process of thick-walled seamless steel pipes can be divided into four basic methods: cold drawing, cold rolling, hot rolling, and thermal expansion. Uses are divided into seamless steel pipes for structure; seamless steel pipes for transportation; seamless steel pipes for boilers; high-pressure seamless steel pipes for boilers; high-pressure seamless steel pipes for fertilizer equipment; seamless steel pipes for geological drilling; seamless steel pipes for oil drilling; Seamless steel pipes for petroleum cracking; seamless steel pipes for ships; cold-drawn cold-rolled precision seamless steel pipes; various alloy pipes. Seamless steel pipes are represented by outer diameter and wall thickness. Thick-walled seamless steel pipes are mainly used for mechanical processing, coal mines, hydraulic steel, and many other purposes.
Shan Dong Lu steel Group Co., Ltd is a professional production of Precision seamless steel Pipe supplier Precision seamless steel Pipe standard: ASTM, DIN, ISO, EN, JIS, GB, etc. Material: ASTM A106B ASTM A53B API 5L Gr.B ST52 ST37 ST44 Outer diameter: 20mm-1200mm, or as required. Wall thickness: 0.5mm-25mm, or as required. Length: 1m-12m, or as required. Surface: Lightly oiled, hot dip galvanized, electro-galvanized, black, bare, varnish coating/anti-rust oil, protective coating, etc. Package: Standard export package, or as required. Price term: EXW, FOB, CIF, CFR, CNF, etc. Payment: T/T, L/C, Western Union, etc. Export to America, Australia, Brazil, Canada, Peru, Iran, Italy, India, United Kingdom, Arab, etc. Precision seamless steel Pipe/tube is a kind of high-precision steel pipe material processed by cold drawing or hot rolling. Because the inner and outer walls of precision steel pipe have no oxide layer, bear high pressure and no leakage, high precision, high smoothness, cold bending without deformation, expansion It is mainly used for the production of pneumatic or hydraulic components, such as cylinders or oil cylinders, which can be seamless pipes or welded pipes. Compared with solid steels such as round steel, seamless steel pipes are lighter in flexural and torsional strength when the bending and torsion strength is the same. It is a kind of economical cross-section steel, which is widely used in the manufacture of structural parts and machinery.
Product name: Seamless Steel Pipe/Tube (SMLS Pipe/Tube), Seamless Carbon Steel Pipe, Carbon steel seamless pipe, Seamless Precision Pipe, MS Large Diameter Seamless Pipe, Hot Rolled seamless steel pipe, cold drawn seamless steel pipe, cold rolled seamless steel pipe. Types: Hydraulic pipe, Boiler tubes, Fluid pipe, Fire pipe, Line pipes, Structure tubes, Mechanical tubes Process: Cold drawn tube, Hot rolled tube Sizes: Out diameter: 1/8"-48" Seamless Steel Pipe Wall thickness: Sch10-160, STD, XS, XXS, (1.25mm-50mm) Length: 3m-12m Surfaces: Bare, Lightly oiled, Black/Red/Yellow painting, Zinc/Anti-corrosive coating Ends: Square ends, Beveled ends, Threaded ends, Plain ends Packing: Bundled, In bulk, Plastic caps, waterproof paper wrapped ect. Application: high temperature fluids transmission (oil, gas, water, steam etc), water underground / sewage/ transporting oil & gas/ Boiler condenser tubes/ high-temperature service, high-pressure applications/ chemical processing etc
Pipe type: Longitudinal Welded Pipe, Longitudinal Submerged Arc Welded Pipe, Straight seam welded pipes Size: OD: 219mm ~ 1829 mm (8â?? -72â??) WT: 4mm ~ 50mm; LENGTH: SRL, DRL, Random length from 3m ~ 18m Standard & Grade: API 5L PSL1/PSL2: Gr.A,Gr.B,X42,X46,X52,X56,X60,X65,X70, X80 ASTM A53: Gr.A, B, C, D ASTM A572 ASTM A252 GB/T9711: L175, L210, L245, L290, L320, L360, L415, L450, L485, L555 GB/T3091,SY/T5037, SY/T 5040, CJ/T 3022: Q195, Q235, Q275, Q295, Q345 BS 1387, EN10219-1, EN10217-1: S185, S235JR, S235, G2H, S275, S275JRH, S355JRH, S355J2H, ST12, ST14, ST33, ST37, ST44, ST52 Painting & Coating: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings Ends: Plain Ends (straight cut, saw cut, torch cut), Beveled for welding, Beveled ends Delivery: Within 30 days and Depends on your order quantity. Payment: TT, LC , OA , D/P Packing: Bundled/In Bulk, Plastic Caps Plugged, Waterproof Paper Wrapped Application of LSAW Steel Pipe: Used for Fluids Transmission, oil gas water transmission Engineering Offshore projects Structural Support in Industrial Construction
The circulating sub is connected between wellhead pipe string and ground circulating system. When casing is running or finished running, the circulating sub is connected to make fluid circulation. According to the application, the circulating sub is connected between Kelly and casing or between casing and hose. The former is used for fluid circulation during connecting of casing. The later generally is used after connecting of casing. Construction The circulating sub during running casing is equipped with casing pin thread on one end or DP thread and DP box thread or union thread on other end.
