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    How to Determine the Steel Temperature by Naked Eye

    Author : hani        Time : 2017/11/13

    The Relationship between Steel Heating Color and Temperature

    Steel Heating Color Temperature ℃
    crineous520——580
    kermesinus580——650
    dark cherry650——750
    cerisa750——780
    light fuchsia780——800
    pompadour800——830
     orange reddish830——850
     colorless/grey880——1050
    yellow1050——1150
    faint yellow1150——1250
    yellowish white1250——1300
     bright white1300——1350

    Steel Heating Color and Temperature

     

    Attention: When looking at the steel heating color, we need to stay at the dark place.

    steel temperature and color

    The Relationship between Carbon Steel Tempered Color and Temperature

    Temper colorTemperature ℃
    buff/pale yellow200
     yellowish white220
     golden yellow240
     yellow and purple260
     dark purple280
     blue300
     dark blue320
     blue grey340
     blue grey and light white370
     dark red400
     black460

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