GB/T 20564.10-2017 Translated English of Chinese Standard. (GBT 20564.10-2017, GB/T20564.10-2017, GBT20564.10-2017): Continuously Cold Rolled High Strength Steel Sheet and Strip for Automobile - Part 10: Twinning Induced Plasticity Steelhttps://www.chinesestandard.net, 21 juli 2018 - 11 sidor This Part of GB/T 20564 specifies the terms and definitions, classification and grade expression method, ordering content, dimension, shape, weight, technical requirements, test methods, inspection rules, package, mark and quality certificate of continuously cold rolled twinning induced plasticity high strength steel sheet and strip. This Part is applicable to steel sheet and strip manufactured automotive complex structural parts, reinforcements, etc., with the thickness of 0.50mm~3.00mm. |
Innehåll
Terms and Definitions | 6 |
Ordering Content | 7 |
Technical Requirements | 8 |
Test Method | 9 |
Inspection Rules | 10 |
Appendix A Informative Chemical Compositions of Steel | 11 |
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4.1.1 The classification austenite characteristic letters Classification and Grade classification of steel Continuously Cold Rolled dimension Grade Expression Method High Strength Steel High surface FC Induced Plasticity Steel initials of Cold inspection batch Inspection Rules letters of Twinning Levels and Characteristics loading/unloading mark and quality martensite mechanical properties method for chemical methods of steel minimum tensile strength minimum yield strength negotiated when ordering Ordering Content phase change Piece by piece plastic deformation provisions of GB/T provisions of Table purchaser has special quality certificate Relative high surface roll by roll Sampling Methods Sampling Quantities seen in Table sheet and strip slight scratches Smooth surface special requirements specified minimum yield Spectrophotometric steel strip Strength Steel Sheet strength value/specified minimum strip shall conform Surface average roughness surface B 4.2 Surface Quality Levels Surface structure Code tensile strength value Tensile Test terms and definitions Twinning induced plasticity TWIP value/specified minimum tensile weight yield strength value/specified