GB/T 33821-2017: Translated English of Chinese Standard (GBT 33821-2017, GB/T33821-2017, GBT33821-2017): Seamless steel tubes for automobile stabilizer bar
https://www.chinesestandard.net, 2017 M11 4 - 15 pages
This standard specifies the order content, size, shape, weight and tolerances, technical requirements, test methods, inspection rules, packaging, marking and quality certificates for seamless steel tubes for automotive stabilizer bars.
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Packaging marking and quality certificate
accordance with Table Allowable deviation analysis of iron annealed automotive stabilizer bar batch GB/T blue spectrophotometric method Brinell hardness test carbon chamfer of tube chemical analysis chemical composition cold drawing content GB/T contract Curvature per meter decarburization layer Determination diameter and wall Eddy current testing ferrite finished steel tube fixed length flattening test flux leakage testing grain size imperfections GB/T indicated Jiangsu Magnetic flux leakage Manufacturing method Metallic materials meter of steel method after combustion Methods for chemical microstructure millimeters Nominal multiple length negotiated nominal outer diameter nominal wall thickness non-destructive testing Non-metallic inclusions qualification Out-of-roundness and wall photometric method provisions of GB/T provisions of Table purchaser quality certificates sampling methods seamless steel tubes spectrophotometric method GB/T standard steel and alloy Steel and iron structural steels GB/T supplier supply the steel test GB/T Test method testing in accordance thickness of steel tube shall comply tubes per batch Ultrasonic testing vanadium Zhou