GB/T 24187-2009 Translated English of Chinese Standard. (GBT 24187-2009, GB/T24187-2009, GBT24187-2009): Cold-drawn precision single welded steel tubeshttps://www.chinesestandard.net, 09/11/2018 - 23 páginas This standard specifies the classification and code, dimension, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of cold-drawn precision single welded steel tubes. This standard is applicable to the cold-drawn precision single welded steel tubes which are used in the manufacture of condensers, evaporators, fuel pipes, lubricating oil pipes, electric heating pipes, cooler pipes and general pipe fittings in such industries as refrigeration, automotive, electric heating and so on. |
Palavras e frases frequentes
airtightness test allowable deviation analysis of iron Appendix Bell-mouth test chemical analysis codenamed cold drawing cold-rolled low-carbon steel conversion film Copper-plated Steel Strip corrosion corrosion resistance delivered according delivered in strip determination of phosphorus electroless plated electrolysis electroplated fixed length gas-phase rust-proof paper induction furnace Infrared inner surface inspected and accepted manganese marking and quality Mechanical properties Metal materials Methods for chemical millimeters moisture-proof paper outer diameter Outer surface paper or plastic plastic film precision single welded properties of cold-rolled provisions of GB/T purchaser quality certificate requirements of Table sack cloth salt spray test Sampling quantity single welded steel single-layer specified pressure steel and alloy sulfur surface of steel Surface status Take 1 specimen Tensile strength test GB/T test methods test The steel theoretical weight thickness of steel tube for automotive tube for refrigeration tube shall comply tubes per batch ultra-low-carbon steel strip wall thickness welded steel tubes Yield strength