萊鋼65Mn圓鋼35Mn-30Mn圓鋼-淬透性較大-可配送到廠
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¥5550.00
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萊鋼65Mn圓鋼35Mn 30Mn圓鋼 淬透性較大 可配送到廠
優(yōu)質(zhì)碳素結(jié)構(gòu)鋼的牌號(hào)和化學(xué)成分
牌號(hào) | 化學(xué)成分(質(zhì)量分?jǐn)?shù))(%) | |||||||
C | Si | Mn | Cr | M | Cu | |||
≤ | ||||||||
20Mn | 0.17~O.23 | O.17~O.37 | O.70~1.00 | O.25 | 0.30 | O.25 | ||
25Mn | O.22~O.29 | 0.17~0.37 | O.70~1.00 | O.25 | O.30 | O.25 | ||
30Mn | 0.27~O.34 | O.17~0.37 | 0.70~1.00 | O.25 | O.30 | 0.25 | ||
35Mn | O.32~O.39 | O.17~O.37 | O.70~1.00 | 0.25 | O.30 | O.25 | ||
40Mn | O.37~0.44 | O.17~0.37 | O.70~1.00 | 0.25 | 0.30 | O.25 | ||
45Mn | 0.42~0.50 | 0.17~O.37 | 0.70~1.00 | O.25 | O.30 | O.25 | ||
50Mn | O.48~0.56 | O.17~O.37 | O.70~1.00 | 0.25 | 0.30 | 0.25 | ||
60Mn | 0.57~0.65 | O.17~O.37 | 0.70~1.00 | 0.25 | 0.30 | 0.25 | ||
65Mn | 0.62~0.70 | 0.17~O.37 | O.90~1.20 | O.25 | 0.30 | 0.25 | ||
70Mn | 0.67~O.75 | 0.17~0.37 | 0.90~1.20 | O.25 | O.30 | O.25 |