1. Size: 1/2-80" 2. WT: Sch5-Sch160XXS 3. Certificate: ISO, EC, CCS, LR, SBG, ABS, DNV, BV, NK etc Type teeSize1/2" - 80" (DN15 - DN2000)Wall thicknessSch5-Sch160XXSStandardANSI, ASME GB, SH, HG, MSS, JIS, DIN, APIMaterial1) Carbon Steel: ASTM A234WPB, WPC; ASTM A420 WPL9, WPL3, WPL6A; ST 37.2.2)Stainless Steel: ASTM A403 WP304/304L, WP316/316L, WP321, WP3473)Alloy Steel: ASTM A324 WP1, WP12, ...