30Cr2Ni4MoV_30Cr2Ni4MoV圓鋼_30Cr2Ni4MoV價格特種鋼板-優(yōu)特鋼
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★30Cr2Ni4MoV執(zhí)行標(biāo)準(zhǔn):GB/T3077-1999 ★30Cr2Ni4MoV化學(xué)成份:注:具體化學(xué)成分以鋼廠質(zhì)保書為準(zhǔn)。碳C:0.28~0.32硅Si:0.17~0.37錳Mn:0.30~0.60硫S:≤0.035磷P:≤0.035鉻Cr:1.50-1.80鎳Ni:3.30~3.80鉬Mo:0.40~0.55 ★30Cr2Ni4MoV力學(xué)性能:注:具體力學(xué)性能以鋼廠質(zhì)保書為準(zhǔn)??估瓘姸龋é襜/MPa):≥1000 屈服點(σs/MPa):≥870斷后伸長率(δ5/%):≥12 斷面收縮率(ψ/%):≥45沖擊吸收功(Aku2/J):≥70