専門の供給腐食および熱抵抗のつや出しの穏やかな炭素鋼の身に着けている版
鋼鉄名前 | 耐久性の鋼板を | |||||
鋼鉄等級 | NM360 | NM400 | NM450 | NM500 | NM550 | NM600 |
厚さ | 5-120mm | 5-140mm | 5-120mm | 5-100mm | 5-50mm | 6-50mm |
引張強さ/Mpa | ≥1100 | ≥1200 | ≥1250 | |||
enlongation/% | ≥12 | ≥10 | ≥7 | |||
-20ºCの縦方向の影響value/J | ≥24 | ≥24 | ≥24 | ≥24 | ||
hardness/HB | 330-390 | 370-430 | 420-480 | ≥470 | ≥530 | ≥570 |
等級 | 厚さ | C | Si | Mn | P | S | Cr | NI | Mo | B | CEV | CET |
Nm360 | 5-120mm | ≤0.26 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm400 | 5-140mm | ≤0.32 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm450 | 5-120mm | ≤0.32 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.40 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm500 | 5-100mm | ≤0.30 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.50 | ≤1.50 | ≤0.60 | ≤0.004 | ||
Nm550 | 5-50mm | ≤0.37 | ≤0.70 | ≤1.60 | ≤0.025 | ≤0.010 | ≤1.50 | ≤1.50 | ≤0.60 | ≤0.004 | 0.71 | 0.48 |
Nm600 | 6の(25の) mm | ≤0.47 | ≤0.70 | ≤1.40 | ≤0.020 | ≤0.010 | ≤1.20 | ≤2.50 | ≤0.60 | ≤0.004 | ≤0.76 | ≤0.58 |
25-50mm | ≤0.47 | ≤0.70 | ≤1.40 | ≤0.020 | ≤0.010 | ≤1.20 | ≤2.50 | ≤0.60 | ≤0.004 | ≤0.87 | ≤0.61 |
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