Seamless Steel Pipe(tube)

Seamless Steel Pipe(tube) Standards: ASTM/ ASME A213/SA213, A269/SA269, A/SA312 Steel Grade: TP 304/304L, 316/316L, 316Ti, 321/321H, 309S, 310S, 347/347H,31803Outside diameter range from 3 mm to 219mm.Wall thickness range from 0.3mm to 25mm. For sizes other than given, please check with our office for further confirmation.Marking: JW, material grade, standard, specification, heat no.Length: unfixed length or fixed lengthPackage: banding with braiding strips, wooden box or steel box at outsideMill test certificate: according to EN 10204 3.1BValue added service: Third party inspection Bright annealed, polished outside and inside surface StandardItemASTM A213/A213MASTM A312/A312MGradeTP304TP304LTP304TP304LTP316TP316LTP316TP316LTP317TP317LTP317TP317LTP347TP310STP347TP310STP309H*TP310H*TP317*TP310H*TP321H TP321H Yield Strength σ0.2 (Mpa)≥170;≥205≥170;≥205Tensile Strength σb (Mpa)≥485;≥515≥485;≥515Elongation %≥35≥35≥35≥35Flattening TestH=1.09t/(0.09+t/D)H=1.09t/(0.09+t/D)Flange Test21-68% Intergranular corrosion"*""" ASTM E112"" min 7#, "*" min 6#"*"""ASTM E112, min 6#Hydraulic test(Mpa)DP maxP=220.6t/D DP maxASTM A530/A530M D≤270MM P=2Rt/D R=50%σ0.2 <25.47≤88.91725.4-<38.11038.1-<50.814>88.91950.8-<76.21776.2-<12724≥12731Metallograph AnalysisASTM A262 EASTM A262 ENon-Destructive TestASTM E213 E309 E426ASTM E213 E309 E426HardnessHRB<90HRB<90