GB-T1591 Q690E Steel Plate supplier   Q690E Adopt standard: GB-T1591 Standard Specification is for Rolled Steels for Welded Structure Q690E Specification: Thickness: 1mm to 500mm; Width: 1500mm to 4500mm: Length: 3000mm to 27000mm Third Party Inspection for Q690E: ABS, DNV, BV, GL, CCS, LR, RINA, KR, NK, CE, SGS, IKE, IEI or other quality department. Q690E Chemical composition Max % of the Product analysis of grade C Si Mn P S Nb V Ti 0.18 0.60 2.00 0.025 0.020 0.11 0.12 0.20 Cr Ni Cu N Mo B Als min   1.00 0.80 0.80 0.015 0.30 0.004 0.015   Q690E Yield […]

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