TA的每日心情 | 开心 2020-3-2 09:15 |
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签到天数: 22 天 连续签到: 1 天 [LV.4]偶尔看看III
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楼主 |
发表于 2008-6-2 22:09:33
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主要是这几句:
possible further demands from the classification society(ies) in question must be fulfilled,e.g bend tests
the chemical composifion shall balanced as not to affect the weldabillty of the material
figures and text in bold type denote imperative demands
all other infomation-including simliar standards-is given for guidance only(see general note)
hardening: 900℃,hold for 2-3 hours,quench in oil
tempering: to mechanical properties stated above,but not less than 650℃,
hold for about 4 hours,cool in furnace |
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