Heat Treatment Guide
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Alloy Database

Explore interactive data for steel grades (e.g., AISI, DIN, JIS) including composition, hardness ranges, and recommended heat treatment cycles. Use the search bar to filter by name.

Steel GradeCarbon %Alloy FactorHardenabilityActions
AISI 1018 (Low Carbon)0.18%1.0lowCalculate
AISI 1020 (Low Carbon)0.20%1.0lowCalculate
AISI 1045 (Medium Carbon)0.45%1.0waterCalculate
AISI 1095 (High Carbon)0.95%1.0waterCalculate
AISI 15B21 (Boron)0.21%1.1oilCalculate
AISI 15B41 (Boron)0.41%1.1oilCalculate
AISI 3140 (Ni-Cr)0.40%1.1oilCalculate
AISI 4118 (Cr-Mo)0.18%1.1oilCalculate
AISI 4130 (Cr-Mo)0.30%1.1oilCalculate
AISI 4140 (Cr-Mo)0.40%1.1oilCalculate
AISI 4150 (Cr-Mo)0.50%1.1oilCalculate
AISI 4320 (Ni-Cr-Mo)0.20%1.2oilCalculate
AISI 4340 (Ni-Cr-Mo)0.40%1.2oilCalculate
AISI 4620 (Ni-Mo)0.20%1.1oilCalculate
AISI 4820 (Ni-Mo)0.20%1.3oilCalculate
AISI 5120 (Cr)0.20%1.1oilCalculate
AISI 5160 (Spring Steel)0.60%1.1oilCalculate
AISI 52100 (Bearing Steel)1.00%1.1oilCalculate
AISI 6150 (Cr-V)0.50%1.1oilCalculate
AISI 8620 (Ni-Cr-Mo)0.20%1.1oilCalculate
AISI 8720 (Ni-Cr-Mo)0.20%1.1oilCalculate
AISI 9310 (Ni-Cr-Mo)0.10%1.2oilCalculate
O1 Tool Steel0.90%1.2oilCalculate
W1 Tool Steel1.00%1.0waterCalculate
W2 Tool Steel1.00%1.0waterCalculate
A2 Tool Steel1.00%1.3airCalculate
D2 Tool Steel1.50%1.4airCalculate
S7 Tool Steel (Shock Resist.)0.50%1.3airCalculate
H13 Tool Steel (Hot Work)0.40%1.4airCalculate
M2 Tool Steel (High Speed)0.85%1.5airCalculate
M4 Tool Steel (High Speed)1.40%1.5airCalculate
CPM-3V (Crucible)0.80%1.5airCalculate
CPM S30V1.45%1.5airCalculate
M4 High Speed1.42%1.5airCalculate