GB/T 4238-2015 Translated English of Chinese Standard. (GBT 4238-2015, GB/T4238-2015, GBT4238-2015): Heat-resisting steel plate, sheet and striphttps://www.chinesestandard.net, 8 janv. 2017 - 31 pages This Standard specifies the order content, dimension, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of heat-resisting steel plates, sheets and strips. |
Table des matières
| 3 | |
Test methods | 19 |
Annex B informative Characteristics and uses of heatresisting steels | 25 |
Expressions et termes fréquents
900 C rapid A50mm samples adjusted chemical composition air cooling allowable deviation analysis of iron austenite grain usually Bending test carbon content chemical analysis Chemical composition mass code Steel grade composition mass fraction control the austenite cooling or slow corrosion resistance demand party digital code Steel digital Steel grade dimethylglyoxime Elongation after fracture ferritic grade or coarser grades in different Heat treatment system heat-resisting steel grades heat-resisting steel plates heat-resisting steels Chemical high temperature durability insulate Iron steel martensitic maximum value mechanical properties Methods for chemical oxidation resistance Precipitation hardening precipitation-hardening heat-resisting steel rapid cooling methods resisting steel sheets and strips slow cooling solid solution treatment specifications in Table specifications of GB/T spectrophotometric method GB/T stainless steel steel and alloy Steel grade Note Steel grade Solid strips after solid strips shall comply surface processing type Tensile strength Rm/MPa Test method titration treatment shall comply Unified digital code usually 7 grade water cooling