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.Product NameSCr420 steel pipeSCM415TK steel pipeSCM420TK steel pipeSCM435TK steel pipeSCM440TK steel pipechemical analysisC:0.18-0.23;Si:0.15-0.35;Mn: 0.60-0.85;P: 0.030; S: 0.030;Cr:0.90-1.20;C:0.13-0.18;Si:0.15-0.35;Mn: 0.60-0.85;P: 0.030; S: 0.030;Cr:0.90-1.20;Mo:0.15-0.30C:0.18-0.23;Si:0.15-0.35;Mn: 0.60-0.85;P: 0.030; S: 0.030;Cr:0.90-1.20;Mo:0.15-0.30C:0.33-0.38;Si:0.15-0.35;Mn: 0.60-0.85;P: 0.030; S: 0.030;Cr:0.90-1.20;Mo:0.15-0.30C:0.38-0.43;Si:0.15-0.35;Mn: 0.60-0.85;P: 0.030; S: 0.030;Cr:0.90-1.20;Mo:0.15-0.30StandardJIS3441LengthAs 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.
JIS G3441 Steel Pipe
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