Product NameSt35 steel pipeSt45 steel pipeSt55 steel pipeSt52 steel pipechemical analysisC: 0.18; P: 0.05; S: 0.05C: 0.25; P: 0.05; S: 0.05C 0.36; P: 0.05; S: 0.05C: 0.20; Si 0.55;Mn 1.5;P: 0.05; S: 0.05Tensile Strength+NBK,35-45MPa; +BK, 45MPa;+BKW, 38MPa;+GBK, 32MPa+NBK,45-55MPa; +BK, 55MPa;+BKW, 48MPa;+GBK, 40MPa+NBK,55-65MPa; +BK, 65MPa; +GBK, 50MPa+BK, 60MPa;+BKW, 55MPa;Yield strength+NBK, 24MPa+NBK, 26MPa+NBK, 30MPa-StandardDIN2391-1LengthAs customer s requestPackagingStandard export packing, packed in woven bags, with two nylon slings, or can be customized as requestHeat Treatment/ Delivery ConditionCold finished (hard) BK(+C)Tubes do not undergo heat treatment following the final cold forming and, thus, have a rather high resistance to deformationCold finished (soft) BKW(+LC)The final heat treatment is followed by cold drawing involving limited deformation. Appropriate further processing allows a certain degree of cold forming (e.g. bending, expanding)Cold 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 automobile and motorcycleMain MarketAsia, Middle East, Europe, etc.Changzhou Hongtai Precision Steel Pipes Co. specializes in steel pipes manufacturing and trading for many years, enjoys a great reputation in China. Our products are famous for their high quality and wide size range.
DIN2391 Steel Pipe Product Product Product
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