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International Mold Steel DH31-EX Die Cast & Forging Steel

Category Metal , Ferrous Metal , Tool Steel
Manufacturer International Mold Steel
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF International Mold Steel DH31-EX Die Cast & Forging Steel.pdf
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Material Notes:
DH31-EX is a hot working die steel with the best balance of strength and toughness showing the comparable softening resistance to SKD7 and twice hardenability as that of SKD61.Information provided by International Mold Steel
Physical Properties Metric English Comments
Density 7.80 g/cc
0.282 lb/in³
Thermal Properties Metric English Comments
CTE, linear 11.0 µm/m-°C

@Temperature 20.0 - 100 °C
 6.11 µin/in-°F

@Temperature 68.0 - 212 °F
11.8 µm/m-°C

@Temperature 20.0 - 300 °C
 6.56 µin/in-°F

@Temperature 68.0 - 572 °F
12.1 µm/m-°C

@Temperature 20.0 - 500 °C
 6.72 µin/in-°F

@Temperature 68.0 - 932 °F
12.6 µm/m-°C

@Temperature 20.0 - 700 °C
 7.00 µin/in-°F

@Temperature 68.0 - 1290 °F
Specific Heat Capacity 0.435 J/g-°C

@Temperature 20.0 °C
 0.104 BTU/lb-°F

@Temperature 68.0 °F
0.478 J/g-°C

@Temperature 200 °C
 0.114 BTU/lb-°F

@Temperature 392 °F
0.554 J/g-°C

@Temperature 400 °C
 0.132 BTU/lb-°F

@Temperature 752 °F
0.707 J/g-°C

@Temperature 600 °C
 0.169 BTU/lb-°F

@Temperature 1110 °F
Thermal Conductivity 26.0 W/m-K

@Temperature 20.0 °C
 180 BTU-in/hr-ft²-°F

@Temperature 68.0 °F
27.5 W/m-K

@Temperature 200 °C
 191 BTU-in/hr-ft²-°F

@Temperature 392 °F
28.4 W/m-K

@Temperature 400 °C
 197 BTU-in/hr-ft²-°F

@Temperature 752 °F
29.2 W/m-K

@Temperature 600 °C
 203 BTU-in/hr-ft²-°F

@Temperature 1110 °F
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