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International Mold Steel Daido DRM3 Matrix High-Speed Steel

Category Metal , Ferrous Metal , Tool Steel
Manufacturer International Mold Steel
Trade Name Daido
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF International Mold Steel Daido DRM3 Matrix High-Speed Steel.pdf
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Material Notes:
This conventional grade MH88 has been improved to DRM3. High hardness and tough DRM3 with excellent hardenability is suitable for high precision cold working tools.Information provided by International Mold Steel
Mechanical Properties Metric English Comments
Hardness, Brinell <= 235
<= 235
Hardness, Rockwell C 62 - 66
62 - 66
60

@Treatment Temp. 600 °C
 60

@Treatment Temp. 1110 °F
66

@Treatment Temp. 520 °C
 66

@Treatment Temp. 968 °F
66

@Treatment Temp. 560 °C
 66

@Treatment Temp. 1040 °F
Tensile Modulus 210 GPa
30500 ksi
Fatigue Strength 950 MPa

@# of Cycles 1.00e+7
138000 psi

@# of Cycles 1.00e+7
1075 MPa

@# of Cycles 1.00e+6
155900 psi

@# of Cycles 1.00e+6
1150 MPa

@# of Cycles 100000
167000 psi

@# of Cycles 100000
Charpy Impact Unnotched 13.0 J/cm²
61.9 ft-lb/in²
65.5 HRC
16.0 J/cm²
76.1 ft-lb/in²
63.5 HRC
Thermal Properties Metric English Comments
CTE, linear 11.1 µm/m-°C

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

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

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

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

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

@Temperature 68.0 - 932 °F
Specific Heat Capacity 0.424 J/g-°C

@Temperature 25.0 °C
 0.101 BTU/lb-°F

@Temperature 77.0 °F
0.520 J/g-°C

@Temperature 300 °C
 0.124 BTU/lb-°F

@Temperature 572 °F
0.612 J/g-°C

@Temperature 500 °C
 0.146 BTU/lb-°F

@Temperature 932 °F
0.830 J/g-°C

@Temperature 700 °C
 0.198 BTU/lb-°F

@Temperature 1290 °F
Thermal Conductivity 18.0 W/m-K

@Temperature 25.0 °C
 125 BTU-in/hr-ft²-°F

@Temperature 77.0 °F
23.1 W/m-K

@Temperature 300 °C
 160 BTU-in/hr-ft²-°F

@Temperature 572 °F
24.4 W/m-K

@Temperature 500 °C
 169 BTU-in/hr-ft²-°F

@Temperature 932 °F
26.0 W/m-K

@Temperature 700 °C
 180 BTU-in/hr-ft²-°F

@Temperature 1290 °F
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