... forgingDie F 4.OEM Carbon Steel Auto Hook 1.Auto Hook Material a)carbon steel SA234 WPB, SA234 WPC ... 70 ,DIN 1629 St37, RST37.2 St52 b)Stainless Steel: ASTM/ASME SA403 304,304L ,316, 316L, ... ,JIS SUS304,SUS304, SUS304L, SUS316, SUS316 c) Alloy Steel: ASTM/ASME SA234 WP12, WP11,WP22, WP5, WP9 ... ) c) hot galvanized, electrical galvanized d) epoxy coating e)nylon surface4. SizeDN10-DN50005. Process a)free ...