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China, Chinese Premium JIS G3445 Stkm13A Seamless Carbon Steel Tube for Automotive Use1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Pipeline PipesCarbon Steel PipeStkm13A Tube SeamlessAuto Tube Stkm13A
Guangzhou Kingmetal Steel Industry Co., Ltd.
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Product Description Premium JIS G3445 Stkm13A Seamless Carbon Steel Tube for Automotive UseMaterial: STKM 11A, STKM 12A, STKM13ASAE1010, SAE1020, SAE1045OD: 4-60mmWall thickness: 0.5-7mmLength: 3 - 10 m, approximate length with tolerance +/-10 mm Manufacture process:Synopsis of Process Routing: Quality Carbon steel - Cold Drawn - Heat Treatment Without Oxidization (NBK Status) - Nondestructive Testing- Flushing The Internal Hole With Special Equipment Under The High Pressure -Dealing With Antirust Oil On Surface - Plastic Capping On Both Ends.Applications:Precision tubes are used in hydraulic system,automobile,mechanical parts and in the occasion where the high precision,brightness,cleanness and mechanical properties of the tube are required. Steel grades for carbon Precision steel tubeStandardMaterialEN10305-1E215, E235, E255, E355,C45E, 30GrMoDIN2391ST35, ST45, ST52, ST37.4BS6323/4CFS3,CFS4,CFS5,CFS8ASTMA519SAE1010,SAE1020,SAE1045JISG3445STKM11A,STKM13ASAEJ524SAE1010 Tolerance Table Of Steel TubeNAMESCOPE(mm)GB (mm)DIN (mm)Enterprise control(mm)Special high-precision(mm)Out Diameter4-30±0.1±0.08±0.05±0.0331-40±0.15±0.15±0.05±0.0341-50±0.20±0.20±0.08±0.0351-60±0.25±0.25±0.08±0.03Wall thickness 0.5-7±10%,Min±0.12±10%±10%,Min±0.05±10%,Min±0.03 Delivery condition and heat treatment processing of carbon Precision steel tubeDelivery ConditionHeat treatment process+CCold drawn/hard.After the last cold forming,no heat treatment.+LCCold drawn/soft.After the last heat treatment follows the cold drawing there is a light finishing pass. +SRCold drawn and stress relieved annealed. After the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.+AAfter the final cold drawing process the tubes are stress relieved annealed in a controlled atmosphere.+NNormalized. After the last cold drawing process the tubes are annealed in a controlled atmosphere.
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