GB-T1591 Q390D Steel Plate supplier   Q390D Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure Q390D Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm Third-Party Inspection for Q390D: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI, or another quality department. Q390D 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 0.50 0.30 0.015 0.10 – 0.015 Q390D Yield strength Nominal thickness […]

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