Hot work tool steel
摘要:
The invention relates hot work tool steel. The steel comprises the following main components (in wt. %): C
0.27-0.38 Si
0.10-0.35 Mn
0.2-0.7 Cr
4.5-5.5 Mo
2.05-2.90 V
0.4-0.6 N
0.01-0.12 H
≤0.0004 S
≤0.0015 balance optional elements, iron and impurities.
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