
Carbon Steel: ASTM/ASME A234 WPB/WPC; A420 WPL6; ASTM A860 WPHY42/52 /60/65/70/75, ST37.0, ST35.8, ST..

Usage: Petroleum, chemical, power plant, etc Surface: black painting ,anti rust oil ,galvanized etc..

Alloy Steel: A234 WP1/WP2/WP5/WP9/WP11/WP12/WP22/WP91, etc; Stainless Steel: A403 WP304/304L; WP316/3..

Surface: black painting ,anti rust oil ,galvanized etc.Packing :wooden cases ,pallets ,knit bags ,nak..

ASME B16.9, ASME B16.28, ASME B16.25-2007; GOST 17375 / 17376 / 17378 / 17379;DIN 2605 / 2615 /2616 /..

Carbon Steel: ASTM/ASME A234 WPB/WPC; A420 WPL6; ASTM A860 WPHY42/52 /60/65/70/75, ST37.0, ST35.8, ST..

Alloy Steel: A234 WP1/WP2/WP5/WP9/WP11/WP12/WP22/WP91, etc; Stainless Steel: A403 WP304/304L; WP316/3..

Carbon Steel: ASTM/ASME A234 WPB/WPC; A420 WPL6; ASTM A860 WPHY42/52 /60/65/70/75, ST37.0, ST35.8, ST..