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Rulon Bearings

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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 PropertiesOriginal ValueComments
Density 0.280 lb/in³
 
Mechanical PropertiesOriginal ValueComments
Hardness, Rockwell C 31
@Treatment Temp. 700.0 °C,
Time 7200 sec
 38
@Treatment Temp. 650.0 °C,
Time 7200 sec
 48
@Treatment Temp. 600.0 °C,
Time 7200 sec
 52
@Treatment Temp. 400 °C,
Time 7200 sec
 52
@Treatment Temp. 550.0 °C,
Time 7200 sec
 54
@Treatment Temp. 500 °C,
Time 7200 sec
Tensile Strength 174 ksi31 HRC
 227 ksi48 HRC
 259 ksi52 HRC
Modulus of Elasticity 30000 ksi
Charpy Impact 10.0 - 12.0 ft-lbNotched; 44 HRC
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.60 µin/in-°F
@Temperature 21.1 - 93.3 °C
 6.90 µin/in-°F
@Temperature 21.1 - 204 °C
 7.10 µin/in-°F
@Temperature 21.1 - 399 °C
Thermal Conductivity 185 BTU-in/hr-ft²-°F
@Temperature 21.1 °C
 189 BTU-in/hr-ft²-°F
@Temperature 343 °C
 210 BTU-in/hr-ft²-°F
@Temperature 704 °C
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 1382 - 1470 °FSoft; Cooling: Furnace 20°F/hour to 1200°F/ Then air cool; < 230 HB
 
Component Elements PropertiesOriginal ValueComments
Carbon, C 0.38 %
Chromium, Cr 5.3 %
Iron, Fe 91.62 %
Molybdenum, Mo 1.3 %
Silicon, Si 1.0 %
Vanadium, V 0.40 %

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