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Quality StandardASTM A 53 Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and SeamlessASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing GB/T8162 Seamless Steel Tubes for Structural PurposesJIS G3441 Alloy steel tubes for machine purposes JIS G3444 Carbon steel tubes for general structural purposes JIS G3445 Carbon steel tubes for machine structural purposes DIN 2391 Seamless Precision Steel Tubes EN10305 Steel tubes for precision applications. Technical delivery conditions. Seamless cold drawn tubesEN 10210: Seamless structural steel pipes
Steel GradeASTM A 53: Grade A, Grade B, Grade C, Type F, Type EASTM A519: 1010-1045, 4130-4142, 5135GB/T8162: 10, 20, 35, 45, 16Mn, 12C rMo, 15CrMo, 12C rl MoVJIS G3441: SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK JIS G3444: STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18STKM 19, STKM 20DIN 2391: St30Si, St30A1, St35, St45, St52EN10305: E235, E355 EN 10210: S235JRH; S275J0H, S275J2H; S355J0H, S355J2H; S275NH, S355NH; S275NLH, S355NLH
SizeOuter Diameter: Hot finish: 2" - 30",Cold drawn: 0.875" - 18"Wall Thickness: Hot finish: 0.250" - 4.00",Cold drawn:0.035" - 0.875"Length: Random Length, Fixed Length, SRL, DRL
Heat treatmentAnnealed: Bright annealed, , Spheroidize annealedNormalized, Stress relieved, Cold finished, Quenched and TemperedDelivery Condition: BkS, NBK,BK ,BKW, GBK(+A), NBK(+N), BK(+C)Packing: Plastic plugs in both ends, Hexagonal bundles of max. 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel stripsTest: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection.Mill Test Certificate: EN 10204/3.1B
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Threeway Steel
Carbon Seamless Steel Pipe