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Schmolz + Bickenbach Thermodur® 2365 EFS Extra Fine Structure - Hot Work Die Steel

Category Metal , Ferrous Metal , Tool Steel , Hot Work Steel
Manufacturer Schmolz + Bickenbach (Swiss Steel International)
Trade Name Thermodur®
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Schmolz + Bickenbach Thermodur® 2365 EFS Extra Fine Structure - Hot Work Die Steel.pdf
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Material Notes:
Description: Thermodur® 2365 is an Extra Fine Structure (EFS) hot work tool steel developed for good high temperature strength and tempering resistance and Supplied in the annealed conditionCharacteristics: Good high temperature strength; and Good resistance to thermal fatigueApplications: Processing of heavy metals, Forging dies, Extrusion rams and Piercing mandrelHardening (Heat Treatment): 1850°F- 1885°F Hold at temperature for 30 minutes; Cooling: Vacuum quench at 70°F/ min, to 300°F then cool to below 150°F; Hardness:
Physical Properties Metric English Comments
Density 7.83 g/cc
0.283 lb/in³
Mechanical Properties Metric English Comments
Hardness, Rockwell C 40

@Treatment Temp. 650.0 °C,
Time 7200 sec
 40

@Treatment Temp. 1202 °F,
Time 2.00 hour
47

@Treatment Temp. 600.0 °C,
Time 7200 sec
 47

@Treatment Temp. 1112 °F,
Time 2.00 hour
50

@Treatment Temp. 300 °C,
Time 7200 sec
 50

@Treatment Temp. 572 °F,
Time 2.00 hour
50

@Treatment Temp. 400 °C,
Time 7200 sec
 50

@Treatment Temp. 752 °F,
Time 2.00 hour
50

@Treatment Temp. 550.0 °C,
Time 7200 sec
 50

@Treatment Temp. 1022 °F,
Time 2.00 hour
52

@Treatment Temp. 500 °C,
Time 7200 sec
 52

@Treatment Temp. 932 °F,
Time 2.00 hour
Tensile Strength 1250 MPa
182000 psi
40 HRC
1520 MPa
221000 psi
47 HRC
1670 MPa
242000 psi
50 HRC
Thermal Properties Metric English Comments
CTE, linear 12.1 µm/m-°C

@Temperature 21.1 - 93.3 °C
 6.70 µin/in-°F

@Temperature 70.0 - 200 °F
12.6 µm/m-°C

@Temperature 21.1 - 204 °C
 7.00 µin/in-°F

@Temperature 70.0 - 400 °F
13.3 µm/m-°C

@Temperature 21.1 - 399 °C
 7.40 µin/in-°F

@Temperature 70.0 - 750 °F
Thermal Conductivity 29.3 W/m-K

@Temperature 704 °C
 203 BTU-in/hr-ft²-°F

@Temperature 1300 °F
31.3 W/m-K

@Temperature 21.1 °C
 217 BTU-in/hr-ft²-°F

@Temperature 70.0 °F
31.8 W/m-K

@Temperature 343 °C
 221 BTU-in/hr-ft²-°F

@Temperature 650 °F
Component Elements Properties Metric English Comments
Carbon, C 0.35 %
0.35 %
Chromium, Cr 3.0 %
3.0 %
Iron, Fe 93.38 %
93.38 %
Molybdenum, Mo 2.8 %
2.8 %
Vanadium, V 0.50 %
0.50 %
Processing Properties Metric English Comments
Annealing Temperature 749 - 799 °C
1380 - 1470 °F
Soft; Cooling: Furnace 20°F/hour to 1200°F/ Then air cool; < 230 HB
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