Report copyright - MIRRAX ESRgf-metals.com/pdf/assab/Mirrax.pdf · 2016. 5. 17. · 1.2083 / aisi 420 mirrax esr 250°c低温回火 无缺口冲击能量,j 400 350 300 250 200 150 100 50 硬度,hrc
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