Seamless stainless steel pipe
DONGSHANG Stainless offer TP304L stainless steel seamless pipe conforming to ASTM A312 specification, used for high temperature and general service situation, both welded and seamless stainless steel pipes.
304L is low carbon 304 Austenitic stainless steel, carbon content not exceeding 0.035%, excellent corrosion resistance suited to a wide range of applications, in Europe, it is 1.4307.
TP304L & 1.4307 Chemical Composition
TP304L 1.4307 Mechanical properties
||Tensile strength(Mpa) min
||Yield strength(Mpa) min
||Hardness (HRB) max
size range from NPS 1/8 inch to 30 inch with Wall thickness from Sch5 to Sch160 depending on ANSI Pipe Schedule B36.19 & B36.10, manufactured starting from billet by cold drawn & cold rolling process, beside TP304L, other grades include 304, 316L, 321/321H, 317/317L, S31803/2205, 904L and duplex steel, more stainless grades, common finish in annealing and pickling, plain ends and beveled ends for chosen to meet specific requirement.
Tolerance of A312 TP304L stainless steel seamless pipe
ISO9001:2008 & PED approved manufacturer with more than 10 years experience in TP304L stainless steel seamless pipe, mill test certificate offered as EN10204/3.1, quality control from raw material to final products, testing and inspection comply with specification, standard testing and optional testing as following, The third party testing accepted, like TUV, SGS, INTERTEC, BV etc, to ensure our products high quality.
- Tensile Strength
- Eddy Current
- Air Under Water
- Grain Size
- Intergranular corrosion
- Weld Decay Test