GB/T 6725-2008: Translated English of Chinese Standard. (GBT 6725-2008, GB/T6725-2008, GBT6725-2008): Cold forming steel sections
https://www.chinesestandard.net, 18 Oca 2016 - 10 sayfa
This Standard specifies cold forming steel sections in terms of order, classification and code, dimension, shape, weight and permissible deviation, technical requirements, test method, acceptance rules and packaging, marking and quality certificate.
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Dimension Shape Weight and Tolerance
Appendix A Informative Comparison table of domesticforeign commonuse material designations of yield strength grade of this Standards products
1/batch Plate longitudinal affixed with tags Alloy Structural Carbon Structural Steels Classification and Code cold forming steel Cold-formed rectangular cold-rolled cold-working crimping channel steel date and mark Designation and chemical designation of raw dimension elongation after fracture encased equal-leg angle steel eqv ISO exterior crimping channel forming steel sections GB/T 229 Metallic hollow section indicated with name Inspection items length is 7m manufacture date mark of quality Marking and Quality meet those specified name and trademark opening section steel Packaging box Plate longitudinal sample Position and Test product standard number production batch number quality inspection department raw material Re-inspection and judgment requirements are proposed requirements of GB/T Sampling quantity section for short sections are delivered sections shall meet Seller special requirements specified in Table Steel Products Structural Steels GB/T surface quality Tensile strength test 1/batch Plate unequal-leg channel Weight and Tolerance weight per bundle Weight Theoretical weight yield strength grade z-steel