Views: 14 Author: Site Editor Publish Time: 2018-05-15 Origin: Site
When forging, the temperature can be roughly estimated according to the color of the steel.
Steel fire color and temperature
Fire color
Temperature（℃）
Fire color
Temperature（℃）
Dark brown
520～580
Bright red
830～880
Palm red
580～650
Orange
880～1050
Dark red
650～750
Orange yellow
1050～1150
Dark cherry red
750～780
Bright yellow
1150～1250
Cherry
780～800
White
1250～1320
Bright pink
800～830
The forging temperature range of commonly used steel
Brand
Pre-forging
temperature℃
Finish-forging temperature℃
Low-carbon steel
1250
750
45
1200
800
T12A
1150
830
65Mn
1200
830
GCr15
1150
850
Cr12MoV
1050
900
W18Cr4V
1100
900
Under the premise of ensuring no heating defects, pre-forging temperature should be as high as possible; In the premise of ensuring sufficient plasticity, finish-forging temperature should be set as low as possible.
