SS400+B Alloy Steel Billet 3sp 5sp 1),Grade:200 300 400Series ... standard:DIN ATSM AISI JIS 3),hot rolled;Q235 Q195,ISO SS400+B Alloy Steel Billet 3sp 5sp1),Grade:200 300 400Series2 ... ),standard:DIN ATSM AISI JIS 3),hot rolled;Q235 Q195,ISO ... 86-0634-6461612,13054836377Mobile Phone: 13963400909Fax: 86-0634-6461613 SS400+B Alloy Steel Billet 3sp 5sp