Austenite/iron dual-direction stainless steel, of GB, ASTM, ASME, JIS, DIN standards, applied to petroleum, pharmacy, spaceflight & aviation, industrial tube, power & nucleus, medical apparatus, food machines, environment protection.

Specifications:
（ 20# 、 45# 、 GB/T8162-1999 、 GB/T8163-1999 、 GB3087-1999 ）