GB/T 20887.6-2017 Translated English of Chinese Standard. (GBT 20887.6-2017, GB/T20887.6-2017, GBT20887.6-2017): Continuously hot rolled high strength steel sheet and strip for automobile - Part 6: Complex phase steelThis Part of GB/T 20887 specifies the classification and designation representing method, ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, package, mark, and quality certificate of hot rolled high strength complex phase steel sheet and strip. This Part applies to the steel strip with a thickness of no more than 8 mm and steel plate cut transversely from steel strip and longitudinally-cut steel strip for the production of automobile structural parts and reinforcements. |
Contents
| 3 | |
Scope | 4 |
Terms and definitions | 6 |
Ordering content | 7 |
Dimensions shape weight | 8 |
Test methods | 10 |
Inspection rules | 11 |
Appendix A Informative Reference values for chemical composition | 12 |
Appendix B Informative Approximate comparison between designations in domestic and in foreign standards | 13 |
Common terms and phrases
analysis of iron blue spectrophotometric method chemical analysis chemical composition melting Complex phase steel composition melting analysis composition of steel content GB/T defects demand side designation representing method Determination of Multi-Element Dimensions Hole expanding rate hot rolled high hot-rolled pickling surface Hot-rolled surface Induction Furnace Inspection items Low-Alloy Steel Martensitic Mechanical properties Method after Combustion Methods for chemical methods for steel Multi-Element Contents Negotiated GB/T Nonmetallic Inclusions oil-coated ordinary surface package permissible tolerances Piece by piece/roll piece/roll by roll provisions of GB/T quality certificate Reference values relative-high surface rolled high strength rolled pickling surface sampling methods sampling quantity sheet and strip Spectrophotometric Method GB/T steel and alloy Steel and Iron steel plate Steel Products steel strip strength value/specified minimum strip shall comply strip shall conform Strips GB/T Sulfur supply and demand surface of steel Surface quality level Tensile testing test methods value/specified minimum tensile values for chemical yield strength value/specified