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 表1-49铝合金硬度与强度换算值之一(摘自GBn166-1982)硬度抗拉强度σb,MPa布氏维氏洛氏表面洛氏退火、淬火人工时效淬火自然时效变形铝合金P=10D2HVHRBHRFHR15THR30THR45TLY11LY12LC4LD5LD10LY11LY12LD5LD10HBd10,2d54d2.5mm55.056.057.058.059.060.061.062.063.064.04.6 (共 6467 字) [阅读本文] >>