牌號 | 41NiCrMo7-3-2 |
1.6563 | |
對應(yīng)標(biāo)準(zhǔn) | NF EN 10269-1999
用于高溫或低溫條件下的緊固件用鋼及鎳合金 |
歸類 | 合金鋼 |
標(biāo)簽 | 淬火回火鋼 |
Material designation | Heat treatment condition | Diameter d mm | Minimum fracture energy in shock bending (in J) (ISO-V specimens) at a temperature (in ℃) of: | ||||||||||||||||
Name | Number | -270 | -196 | -160 | -140 | -120 | -110 | -100 | -90 | -80 | -70 | -60 | -50 | -40 | -20 | 0 | +20 | ||
41NiCrMo7-3-2 | 1.6563 | +QT | d≤100 | - | - | - | - | - | - | 27 | - | - | - | - | - | - | 47 | 50 | - |
+QT | 100<d≤160 | - | - | - | - | - | - | - | - | - | - | - | - | - | 47 | 50 | - |
Material designation | Heat treatment condition | Normalizing,quenching or solution annealing temperature °C | Type of cooling① | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
41NiCrMo7-3-2 | 1.6563 | +QT | 840 to 880 | a,o,w | 600 to 700 |
◎ 根據(jù)原件相關(guān)規(guī)定促壕,如果允許矯直后消除應(yīng)力,應(yīng)選擇消除應(yīng)力的溫度燥及,以獲得規(guī)定的性能眷滤。 | |||||
① a=air; o=oil; w=water |