Featured

  • China Wholesale Carbon Steel Elbow Factories - China Carbon seamless steel pipe – Zhongshun

    China Wholesale Carbon Steel Elbow Factories - China Carbon seamless steel pipe – Zhongshun

    Carbon seamless steel pipe is used to transport fluid. Fluid feeding, conveying gas , water or oil in the industries of petroleum and natural gas , common structure ,steam and boiler manufacturing  API 5L PSL1, API 5L PSL2, ASTM A106, ASTM A53, ASTM A179, ASTM A192, DIN1629 Grade A, B, C , X42 ,X52 ,X56 , X 60 , X 70 , X 80 ; A179 ;A192 ; ST37,ST44,ST52, etc Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof ...
  • China Wholesale Steel Pipe Coupling Factories - API 5CT J55 Casing pipes Manufacturer – Zhongshun

    China Wholesale Steel Pipe Coupling Factories - API 5CT J55 Casing pipes Manufacturer – Zhongshun

    1. Outer diameter   4 1/2″, 5″, 5 1/2″, 6 5/8″, 7″, 7 5/8″, 9 5/8″, 10 3/4″, 13 3/8″, 16″, 18 5/8″, 20″, 30″ 2. Wall thickness   5.21 – 16.13 mm 3. Thread type    SC(Short round thread), LC(Long round thread), BC(Buttress thread), Other Premium Thread 4. Length length   Project R1 R2 R3 Tubing 6.10-7.32m 8.53-9.75m 11.58-12.80m Casing 4.88-7.62m 7.62-10.36m 10.36-14.63m Standard Grade Composition(%) C Si Mn P S Cr Ni Cu Mo ...
  • China Wholesale Alloy Tee Manufacturers - High-Quality Casing Pipes Wholesale – Zhongshun

    China Wholesale Alloy Tee Manufacturers - High-Quality Casing Pipes Wholesale – Zhongshun

    Standard Grade Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Hardness API SPEC 5CT J55 ≥517 379~552 0.5% ≤241HB K55 ≥655 379~552 0.5% N80 ≥689 552~758 0.5% L80(13Cr) ≥655 552~655 0.5% P110 ≥862 758~965 0.6% Standard Grade Composition(%) C Si Mn P S Cr Ni Cu Mo V AIs API SPEC 5CT   J55K55 0.34~0.39 0.20~ 0.35 1.25~1.50 ≤0.020 ≤0.015 ≤0.15 ≤0.20 ≤...
  • China Wholesale High Pressure Elbow Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun

    China Wholesale High Pressure Elbow Suppliers - Oil Well Casing Tube Manufacturer – Zhongshun

    Standard Grade Tensile Strength(MPa) Yield Strength(MPa) Elongation(%) Hardness API SPEC 5CT J55 ≥517 379~552 0.5% ≤241HB K55 ≥655 379~552 0.5% N80 ≥689 552~758 0.5% L80(13Cr) ≥655 552~655 0.5% P110 ≥862 758~965 0.6% Chemical Composition of oil well casing:100% bullet tests include ultrasound inspection of full length wall thickness, full length drift diameter, water pressure test, mechanical test (yield, tensile...
  • China Wholesale Tubo Manufacturers - Sucker Rod For Chinese Factories – Zhongshun

    China Wholesale Tubo Manufacturers - Sucker Rod For Chinese Factories – Zhongshun

    C-class high-quality carbon steel rod is made by SSYD-1 (equivalent to AISI1526), with moderate strength, good plasticity, phase against corrosion and other specifics for the environment of an acidic medium without causing sulfide stress cracking. Grade D sucker is made of high-Cr-Mo alloy structural steel 30CrMoA (equivalent to AISI 4130), with high strength, good plasticity, long life and other characteristics, applicable to non-corrosive or slightly corrosive environment of deep wells. Gra...
  • China Wholesale Hot Rolled Pipe Suppliers - Carbon Lsaw Pipe For Chinese Factories – Zhongshun

    China Wholesale Hot Rolled Pipe Suppliers - Carbon Lsaw Pipe For Chinese Factories – Zhongshun

    LSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) ,Carbon LASW Steel Pipe Straight Seam Submerged Arc Welded Steel Pipe LASW Steel Pipe Outside Diameter: Φ406mm- 1118mm (16″- 44″) Wall Thickness: 6.0-25.4mm 1/4″-1″ Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA Length: 9-12.3m (30′- 40′) API 5L Lsaw line pipe Grades:BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, S...
  • China Wholesale Galvanized Fitting Manufacturers - Drill Pipe For Chinese Factories – Zhongshun

    China Wholesale Galvanized Fitting Manufacturers - Drill Pipe For Chinese Factories – Zhongshun

    Drill pipe is made from the welding of at least three separate pieces: box tool joint, pin tool joint, and the tube. The ends of the tubes are then upset to increase the cross-sectional area of the ends. The tube end may be externally upset (EU), internally upset (IU), or internally and externally upset (IEU). Standard max upset dimensions are specified in API 5DP, but the exact dimensions of the upset are proprietary to the manufacturer. After upsetting, the tube then goes through a heat tre...
  • China Wholesale Threaded Black Pipe Factories - High-Quality  Alloy Pipe and Tube Wholesale – Zhongshun

    China Wholesale Threaded Black Pipe Factories - High-Quality Alloy Pipe and Tube Wholesale – Zhongshun

    Alloy pipes is a kind of seamless steel pipes, its performance is much higher than that of general seamless steel pipes, because this type of steel pipes contains more Cr, its high temperature resistance, low temperature resistance, corrosion resistance performance is much better than  other Steel pipe , so the alloy pipe is widely used in petroleum, aerospace, chemical, electric power, boiler, military and other industries Alloy steel pipe applies to petroleum, chemical industry, electric po...
  • China Wholesale Hot Rolled Smls Pipe Suppliers - Drill Pipe For Chinese Factories – Zhongshun

    China Wholesale Hot Rolled Smls Pipe Suppliers - Drill Pipe For Chinese Factories – Zhongshun

    Drill pipe is made from the welding of at least three separate pieces: box tool joint, pin tool joint, and the tube. The ends of the tubes are then upset to increase the cross-sectional area of the ends. The tube end may be externally upset (EU), internally upset (IU), or internally and externally upset (IEU). Standard max upset dimensions are specified in API 5DP, but the exact dimensions of the upset are proprietary to the manufacturer. After upsetting, the tube then goes through a heat tre...
  • China Wholesale A106 Carbon Tube Suppliers - High-Quality API 5CT P110 Casing tubes – Zhongshun

    China Wholesale A106 Carbon Tube Suppliers - High-Quality API 5CT P110 Casing tubes – Zhongshun

    Thread type SC (Short round thread), LC(Long round thread), BC(Buttress thread), Other Premium Thread Length length   Project R1 R2 R3 Tubing 6.10-7.32m 8.53-9.75m 11.58-12.80m Casing 4.88-7.62m 7.62-10.36m 10.36-14.63m Standard Grade Composition(%) C Si Mn P S Cr Ni Cu Mo V AIs API SPEC 5CT   J55K55 0.34~0.39 0.20~ 0.35 1.25~1.50 ≤0.020 ≤0.03 ≤0.15 ≤0.20 ≤0.20     ≤0.020 (37Mn5) N80...
  • China Wholesale Iron Pipe Fittings Manufacturers - Carbon Lsaw Pipe For Chinese Factories – Zhongshun

    China Wholesale Iron Pipe Fittings Manufacturers - Carbon Lsaw Pipe For Chinese Factories – Zhongshun

    LSAW Steel Pipe (Longitudinally Submerged Arc Welding Pipe) ,Carbon LASW Steel Pipe Straight Seam Submerged Arc Welded Steel Pipe LASW Steel Pipe Outside Diameter: Φ406mm- 1118mm (16″- 44″) Wall Thickness: 6.0-25.4mm 1/4″-1″ Quality Standards: API、DNV、ISO、DEP、EN、ASTM、DIN、BS、JIS、GB、CSA Length: 9-12.3m (30′- 40′) API 5L Lsaw line pipe Grades:BS:1387, EN10217:S185, S235,S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, S...
  • China Wholesale High Pressure Pipe Fittings Manufacturers - API 5CT OCTG tubing Manufacturer – Zhongshun

    China Wholesale High Pressure Pipe Fittings Manufacturers - API 5CT OCTG tubing Manufacturer – Zhongshun

    1. Dimension range (OD inch): 1-1/2”—-4 1/2”, 2. Dimension range (OD mm): 26.67—-114.3 3. Type of upset: NUE, EUE, Plain end. 4. Standard: API SPEC 5CT 5. Main Steel Grade: H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 etc. 6. Type of Tubing: Non-upset tubing (NU), External-upset tubing (EUE), Integrated Joint (IJ). 7,Length length   Project R1 R2 R3 Tubing 6.10-7.32m 8.53-9.75m 11.58-12.80m Casing 4.88-7.62m 7.62-10.36m 10.36-14.63m ...