This specification are used in welded construction of offshore structures steel plates. 1.Commodity:API 2Y:API 2YGr50/API 2YGr50T/API 2YGr60 offshore structure steel plates 2.Reference standard:API Spec 2Y 3.Application:used in offshore structures,equipment for petroleum and natural gas industries 4.Condition of Delivery:Quenched+tempered/Z Test/Ultrasonic Test ect. 5.Terms of Price:CIF/CFR/FOB/CNF 6.chemical composition,mechanical property,and yield strength 7.Terms of payment:T/T L/C