GB/T 34564.1-2017 Translated English of Chinese Standard. (GBT 34564.1-2017, GB/T34564.1-2017, GBT34564.1-2017): Cold-word mould steel - Part 1: High toughness and wear-resistance steelshttps://www.chinesestandard.net, 24 juin 2018 - 19 pages This part of GB/T 34564 specifies the ordering content, dimensions, shape, weight, technical requirements, test methods, inspection rules, packaging, marking, and quality certificates for high toughness and wear-resistance cold work mould steels. This part applies to hot-rolled, forged, cold-drawn, silver- bright steel and machine processing delivery of high toughness and wear- resistance cold work mould steel. |
Table des matières
3 | |
Scope | 4 |
Order contents | 6 |
Size shape weight | 7 |
Test methods | 13 |
Inspection rules | 14 |
Packaging marking and quality certificates | 15 |
Appendix A Normative Lateral impact specimen requirements | 16 |
Appendix B Informative Main features and applications of each grade | 18 |
Expressions et termes fréquents
allowable deviation analysis of iron antimony batch From different bismuth blue spectrophotometric method chemical analysis chemical composition chromium cold extrusion mould Cold-drawn steels comply content GB/T contract Cr12MoV delivery status depth diameter or side different pieces electro-slag re-melting eutectic carbide non-uniformity features and applications Figure A.1 forged flat steel forged steel grade of eutectic Grades and chemical grades of center hardness value heat treatment high toughness hot-rolled and forged impact test inert gas ingot segregation Inspection item looseness and ingot macrostructure meet the requirements Methods for chemical molybdenum Non-metallic inclusion non-uniformity of hot pieces of steels provisions of GB/T Qiang Qualification grade quenched and tempered requirements of Table sampling locations Sampling quantity segregation are determined shape and allowable side length specified spectrophotometric method GB/T square steel steel and alloy steel and square steel cross-section steel products steel shall meet steels GB/T supplier and purchaser titration toughness and wear-resistance ultrasonic testing