GB-T1591 Q420D Steel Plate supplier

GB-T1591 Q420D Steel Plate supplier

GB-T1591 Q420D Steel Plate supplier   Q420D Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure Q420D Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm Third Party Inspection for Q420D: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department. Q420D Chemical composition Max % of the Product analysis of grade C Si Mn P S Nb V Ti 0.20 0.50 1.70 0.030 0.025 0.07 0.20 0.20 Cr Ni Cu N Mo B Als min 0.30 0.80 0.30 0.015 0.20 – 0.015 Q420D Yield strength Nominal […]

Read More Text