Hot work die steel

Hot work die steel

The invention provides a novel hot work die steel 4Cr5Mo3Co2SiV. The hot work die steel is characterized by comprising the following components in percentage by mass: 0.35-0.45% of C, 0.40-0.75% of Si, 0.20-0.50% of Mn, 2.50-3.50% of Mo, 0.25-0.75% of V, 4.00-5.00% of Cr, 1.50-2.50% of Co, S not mor...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GUO CHENG, KONG FANYA, CHEN YAWEN, SUN JINGXING, DU XIANGYUAN, LI HONGJUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
ALLOYS
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:The invention provides a novel hot work die steel 4Cr5Mo3Co2SiV. The hot work die steel is characterized by comprising the following components in percentage by mass: 0.35-0.45% of C, 0.40-0.75% of Si, 0.20-0.50% of Mn, 2.50-3.50% of Mo, 0.25-0.75% of V, 4.00-5.00% of Cr, 1.50-2.50% of Co, S not more than 0.010%, P not more than 0.030%, and the balance of Fe. Compared with traditional hot work diesteel, the hot work die steel achieves better mechanical performances. 本发明的目的在于提供种新型热作模具钢4Cr5Mo3Co2SiV，其特征在于，所述热作模具钢的组成以及质量百分比为：C：0.35～0.45％、Si：0.40～0.75％、Mn：0.20～0.50％、Mo：2.50～3.50％、V：0.25～0.75％、Cr：4.00～5.00％、Co：1.50～2.50％、S：≤0.010％、P：≤0.030％、Fe余量。与现有热作模具钢相比，本发明所述热作模具钢具有更好的力学性能。