Austempering Heat Treatment Process
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Base Material as SG Iron 500/7 manufactured at Gopal naicker & sons Austempering Heat Treatment process: Austenitising Temperature (K) Austenitising time(min) Austempering Temperature(K) Austempering Time(min) 1173 90 523 30 60 90 120 573 30 60 90 120 623 30 60 90 120 From the above heat treatment I require the following hardness Required Material Hardness: 1) Grade 3 (HRC 36.5-44.6), 2) Grade 4 (HRC 39.7-47.7), and 3) Grade 5 (HRC 40.8-49.8)
Transcript of Austempering Heat Treatment Process
Base Material as SG Iron 500/7 manufactured at Gopal naicker & sons
Austempering Heat Treatment process:
Austenitising Temperature (K)
Austenitising time(min)
Austempering Temperature(K)
Austempering Time(min)
1173 90
523
306090
120
573
306090
120
623
306090
120
From the above heat treatment I require the following hardness
Required Material Hardness:
1) Grade 3 (HRC 36.5-44.6), 2) Grade 4 (HRC 39.7-47.7), and
3) Grade 5 (HRC 40.8-49.8)