國(guó)產(chǎn)模具鋼Cr12MoV、4Cr5MoSiV1、9CrWMn等

模具鋼Cr12MoV圓棒棒材材料 Cr12MoV鋼板材價(jià)格

合金工具鋼：Cr12MoV

5) 用于制作鋁件冷擠壓摸的凸模、凹模。制作凸模時(shí)建議硬度60~62HRC,制作凹模時(shí)建議硬度62-64HRC。

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Alloy tool steel: Cr12MoV
Applicable scope
Cold working die steel, steel quenching, quenching tempering hardness, wear resistance, strength are higher than Cr12. For manufacturing with large cross section, complex shapes and working conditions of heavy under cold stamping moulds and tools, such as punch, cut side mode, binding mode, steel plate deep drawing mode, circular saws, standard tools and gauge, thread rolling die and so on.
Supply status
Supply varieties of hot rolling, forging, cold drawn material, hot rolled steel and cold drawn steel wire
Chemical composition:
Carbon:1.45 C ~ 1.70
Si: Si = 0.40
Mn: Mn = 0.40
Sulfur: S = 0.030
P: P = 0.030
Chrome Cr:11.00 ~ 12.50
Ni Ni: allow residual content less than 0.25
Cu: allow residual copper content is less than 0.30
Vanadium:0.15 V ~ 0.30
Mo Mo:0.40 ~ 0.60
Mechanical properties:
Hardness: annealing, the indentation diameter 255 ~ 207HB, 3.8 ~ 4.2mm; quenching, more than 60HRC
Cr12MoV use
The hardness, strength and toughness of Cr12MoV die steel after quenching and tempering are higher than those of CR12. The diameter of the workpiece can be completely quenched, and the quenching distortion is small, but the high temperature plasticity is poor. Cr12MoV is used in the production of large cross section, complex shape, work load is more important in the mold and tool. Such as punching die, trimming die, die steel, piping etc..
Heat treatment specification
Heat treatment specification: 1 quenching, 950 ~ 1000 for oil cooling; 2 for quenching 1020, 200 for tempering 2h.
Metallographic structure: fine grained pearlite + carbide.
Delivery status: Steel in order to anneal state delivery.
1) the steel can be used to make the >3mm of the blanking die of the material thickness of the die, the concave die, the insert block. The proposed hardness 58~62HRC, when the production die, the proposed hardness of 60 ~64HRC.
2) punch, die wear-resisting requirements for the production of punching die in. The proposed hardness was 60~62HRC when the convex mold was made, and the hardness was 62~64HRC.
3) for the production of the drawing die, the hardness is 62 ~64HRC.
4) for the production of the bending die in the requirements of the complex, the shape of the convex mold, concave mold and insert block. When the production of convex die hardness of the proposed 60~64HRC, the production of die when the hardness of 60 ~64HRC
5) for the production of cold extrusion of aluminum parts of the convex die, die. It is suggested that the hardness of 60~62HRC is 62-64HRC when the convex die is produced.