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Schmolz + Bickenbach Thermodur® 2343 EFS Extra Fine Structure (H-11)- Hot Work Die Steel
Categories: Metal; Ferrous Metal; Tool Steel; Hot Work Steel
Material Notes: Description: Thermodur® 2343 is a single melt Extra Fine Structure (EFS) hot work die steel and Supplied in the annealed condition

Characteristics: Good toughness; Moderate high-temperature strength; and Moderate heat-check resistance

Applications: Hot extrusion tooling, Die inserts, Forging Die and Shot sleeve.

Stress Relieving (Heat Treatment): 1200°F for 2 hours; Cooling: Cool slowly to 930°F in air; Hardness: <230 HB

Hardening (Heat Treatment): 1850°F- 1880°F Hold at temperature for 30 minutes; Cooling: Vacuum quench to 1000°F then cool to below 150°F; Hardness: <54 HRC Quenched

Information provided by Schmolz + Bickenbach
Key Words: AISI H-11
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 7.75 g/cc0.280 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell C  31
@Treatment Temp. 700.0 °C,
Time 7200 sec		31
@Treatment Temp. 1292 °F,
Time 2.00 hour
 38
@Treatment Temp. 650.0 °C,
Time 7200 sec		38
@Treatment Temp. 1202 °F,
Time 2.00 hour
 48
@Treatment Temp. 600.0 °C,
Time 7200 sec		48
@Treatment Temp. 1112 °F,
Time 2.00 hour
 52
@Treatment Temp. 400 °C,
Time 7200 sec		52
@Treatment Temp. 752 °F,
Time 2.00 hour
 52
@Treatment Temp. 550.0 °C,
Time 7200 sec		52
@Treatment Temp. 1022 °F,
Time 2.00 hour
 54
@Treatment Temp. 500 °C,
Time 7200 sec		54
@Treatment Temp. 932 °F,
Time 2.00 hour
Tensile Strength 1200 MPa174000 psi31 HRC
 1570 MPa227000 psi48 HRC
 1790 MPa259000 psi52 HRC
Modulus of Elasticity 207 GPa30000 ksi
Charpy Impact 13.6 - 16.3 J10.0 - 12.0 ft-lbNotched; 44 HRC
 
Thermal PropertiesMetricEnglishComments
CTE, linear  11.9 µm/m-°C
@Temperature 21.1 - 93.3 °C		6.60 µin/in-°F
@Temperature 70.0 - 200 °F
 12.4 µm/m-°C
@Temperature 21.1 - 204 °C		6.90 µin/in-°F
@Temperature 70.0 - 400 °F
 12.8 µm/m-°C
@Temperature 21.1 - 399 °C		7.10 µin/in-°F
@Temperature 70.0 - 750 °F
Thermal Conductivity  26.7 W/m-K
@Temperature 21.1 °C		185 BTU-in/hr-ft²-°F
@Temperature 70.0 °F
 27.2 W/m-K
@Temperature 343 °C		189 BTU-in/hr-ft²-°F
@Temperature 650 °F
 30.3 W/m-K
@Temperature 704 °C		210 BTU-in/hr-ft²-°F
@Temperature 1300 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 750.0 - 799 °C1382 - 1470 °FSoft; Cooling: Furnace 20°F/hour to 1200°F/ Then air cool; < 230 HB
 
Component Elements PropertiesMetricEnglishComments
Carbon, C 0.38 %0.38 %
Chromium, Cr 5.3 %5.3 %
Iron, Fe 91.62 %91.62 %
Molybdenum, Mo 1.3 %1.3 %
Silicon, Si 1.0 %1.0 %
Vanadium, V 0.40 %0.40 %

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NSCHMO011 / 125884

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