Product Details
Product Description
Product Description
S7 steel is heavy duty tool steel and medium carbon alloy steel. S7 die steel has high chromium content and good tempering resistance and high temperature oxidation resistance. In addition, the steel also has excellent wear resistance, excellent flower etching machinability, excellent wire cutting property and excellent impact toughness properties. After annealing and softening treatment, the original structure of the rolled bar is F+C, which must be used after heat treatment.
S7 Die steel round steel Chemical element % :
S7steel plate
| C
| Si
| Mn
| Cr
| Mo
| V
| P/S
|
S7
| 0.51
| 0.30
| 0.66
| 3.18
| 1.40
| 0.23
| 0.030
|
S7 die steel plate use:
S7 die steel steel rod is suitable for heavy load bearing die steel;
S7 die steel module is suitable for thermosetting plastic mold, high temperature thermosetting plastic mold;
S7 die steel round rod is suitable for fixed die and moving die inserts;
S7 die steel plate is suitable for cold stamping die with high wear resistance, high toughness and high hardness.
S7 mold steel material supply status and factory hardness:
S7 die steel steel rod/steel plate/round steel/round rod/steel/material/material/module supply state is annealed, S7 factory hardness 200-225HBW
S7 die steel heat treatment hardness:
S7 die steel quenching temperature 850-880℃, oil cold or salt bath; Tempering temperature 550℃, heat treatment hardness of 54-58HRC
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