A kind of steel alloy or spring steel auxiliary spring support

A kind of steel alloy or spring steel auxiliary spring support

  • CN 105,090,304 B
  • Filed: 08/18/2015
  • Issued: 05/28/2019
  • Est. Priority Date: 08/18/2015
  • Status: Active Grant
First Claim
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1. the preparation method of a kind of steel alloy or spring steel auxiliary spring support, auxiliary spring support is forged into using steel alloy or spring steelType, the heat treatment to auxiliary spring support method particularly includes:

  • A, quenching;

    840-870 degrees Celsius of hardening heat, oil quenching, when quenchingBetween 30-90 minutes;

    B, it is tempered;

    360-400 degrees Celsius of tempering temperature, tempering time 30-60 minutes, heat treatment hardness value HRC40-50;

    C, double tempering;

    temperature;

    200-250 degrees Celsius, tempering time 30-40 minutes;

    The steel alloy or spring steel auxiliary spring are setThe hardness of bracket is lower than auxiliary spring plate.

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