ASTM A210 is a standard of American Society of Testing Materials, it is for manufacturing wall panel, economizer, superheater and steam pipeline of boilers.Product NameGr.A1 steel pipeGr.C steel pipechemical analysisC: 0.27;Si: 0.1;Mn: 0.93;P: 0.035; S: 0.035C: 0.35;Si: 0.1;Mn:0.29-1.06;P: 0.035; S: 0.035Tensile Strength415485Yield strength255275StandardASTM A210LengthAs customer s requestPackagingStandard export packing, packed in woven bags, with two nylon slings, or can be customized as requestHeat Treatment/      Delivery ConditionCold finished and stress-relieved annealing BKS(+SR)Heat treatment is applied following the last cold forming process. Subject to appropriate processing conditions, the increase in the residual stresses involved enables both forming and machining to a certain degree.Annealed    GBK(+A)The last Cold forming process is followed by annealing in a controlled atmosphere.Normalized   NBK(+N)The last cold forming process is followed by annealing above the upper transformation point in a controlled atmosphere.Delivery TimeWithin 35-50 days from receiving depositPayment Term100% L/C at sight or 30% deposit, 70% balance against copy of B/LUsage/ApplicationPipes for boiler and superheaterMain MarketAsia, Middle East, Europe, etc.