Description

Staniless steel seamless pipe(stainless tube) Standards: ASTM/ ASME A**3/SA**3, A**9/SA**9, A/SA**2 Steel Grade: TP **4/**4L, **6/**6L, **6Ti, **1/**1H, **9S, **0S, **7/**7H, Outside diameter range from 3 mm to **9mm. Wall thickness range from 0.3mm to *5mm. 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 length Package: banding with braiding strips, wooden box or steel box at outside Mill test certificate: according to EN ****4 3.1B Value added service: Third party inspection Bright annealed, polished outside and inside surface Standard Item ASTM A**3/A**3M ASTM A**2/A**2M Grade TP**4 TP**4L TP**4 TP**4L TP**6 TP**6L TP**6 TP**6L TP**7 TP**7L TP**7 TP**7L TP**7 TP**0S TP**7 TP**0S TP**9H* TP**0H* TP**7* TP**0H* TP**1H TP**1H Yield Strength σ0.2 (Mpa) ≥**0; ≥**5 ≥**0; ≥**5 Tensile Strength σb (Mpa) ≥**5; ≥**5 ≥**5; ≥**5 Elongation % ≥*5 ≥*5 ≥*5 ≥*5 Flattening Test H=1.*9t/(0.*9+t/D) H=1.*9t/(0.*9+t/D) Flange Test ****8% Intergranular corrosion "*""" ASTM E**2 "" min 7#, "*" min 6# "*"""ASTM E**2, min 6# Hydraulic test(Mpa) D P max P=**0.6t/D D P max ASTM A**0/A**0M D≤**0MM P=2Rt/D R=*0%σ0.2 <*5.4 7 ≤*8.9 *7 *5.*-<*8.1 *0 *8.*-<*0.8 *4 >*8.9 *9 *0.*-<*6.2 *7 *6.*-<**7 *4 ≥**7 *1 Metallograph Analysis ASTM A**2 E ASTM A**2 E Non-Destructive Test ASTM E**3 E**9 E**6 ASTM E**3 E**9 E**6 Hardness HRB<*0 HRB<*0