GB/T 5216-2004 Translated English of Chinese Standard. (GBT 5216-2004, GB/T5216-2004, GBT5216-2004): Structural steels subject to end-quench hardenability requirements

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https://www.chinesestandard.net, 2015. 1. 25. - 44페이지
This standard specifies the steel dimensions, shape, weight and permissible tolerances, technical requirements, test methods, inspection rules, packaging, sign and quality certificate etc. of the hot rolling and hot forging structural steels subject to end-quench hardenability requirements. This standard is applicable to the hot rolling and forging structural steel bars of hardenability used in machinery manufacture with its diameter or thickness no less than 30 mm. The steel hardenability is determined by edge quenching or calculated by the formula.
 

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목차

Corrigendum
4
Scope
6
Order Contents
9
Classification and Code Number
10
Technical Requirements
11
Testing Method
17
Inspection Rules
18
Appendix A Informative Calculation Methods of Steel Hardenability
39
Appendix B Informative Comparison Table of Newlyadded Grades Listed in Table 1
44

자주 나오는 단어 및 구문

20 Figure 20 HH Max 30 H Max Analysis of Iron annealing or high billet or steel calculated according calculation method Charpy Impact Test Chemical Analysis content mass fraction critical diameter D1 Determination of Nickel Different pieces Dimethylglyoxime Distanceaway End-quenching temperature 850±5 End-quenching temperature 925±5 end/mm Normalizing temperature ends bands eqv ISO Extraction Photometric Method form the quenched fromthe quenched end/mm Gravimetric Method H band hardenability bands HRC HH Max 48 high-grade fine steel HL Max 46 homogeny ideal critical diameter indicated by H listed distances macrostructure Method GB/T Methods for Chemical minimum hardness values Normalizing temperature 860~880 Normalizing temperature 915~935 Normalizing temperature 930~950 permissible variation Phosphorus Content GB/T pieces of steel quenched end/mm Distance quenched end/mm Normalizing quenched ends 1.5 Range of hardenability specified in Table Steel and Alloy steel bar GB/T steel billet Steel GB/T structural steel subject to end-quench supply and purchaser Test Method unified numbering weight and permissible

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QR code for GB/T 5216-2004 Translated English of Chinese Standard. (GBT 5216-2004, GB/T5216-2004, GBT5216-2004)
제목GB/T 5216-2004 Translated English of Chinese Standard. (GBT 5216-2004, GB/T5216-2004, GBT5216-2004): Structural steels subject to end-quench hardenability requirements
저자https://www.chinesestandard.net
발행인https://www.chinesestandard.net, 2015
길이44페이지
  
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