GB-T1591 Q620C Steel Plate supplier   Keyword: GB-T1591 Q620C, Q620C,Q620C Steel Plate,Q620C Stock,Q620C supplier   Q620C Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure Q620C Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm Third Party Inspection for Q620C: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department. Q620C Chemical composition Max % of the Product analysis of grade C Si Mn P S Nb V Ti 0.18 0.60 2.00 0.030 0.030 0.11 0.12 0.20 Cr Ni Cu N Mo B Als min 1.00 0.80 […]

Read More Text