Stainless steel seamless pipe As a professional manufacturer, we produce and export excellent austenitic pipe/tube according to standard astm/asme a/sa 312, a/sa213 , jis g3459 , gost 9941-81, din 17458 etc. Grade includes of tp304, tp304l, tp304/304l, tp321, tp321h, tp316l, tp316/316l, uns31803, 1.4301, 1.4306, 1.4404, 1.4462 , 1.4571, 12x18h10t, 08x18h10t
