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Steel Specials H11 Material Property Data Sheet

Do you need custom fasteners created with Steel Specials H11? Since our inception, Vegas Fastener Manufacturing has met every challenge of providing Quality, Timely, Cost-effective solutions for specialty fastener applications. Every product is built to your specifications, using your prints if necessary.

Below are the technical specifications of the Steel Specials H11 Bar Stock we have available to meet your needs.


AISI Type H11 Hot Work Tool Steel, air or oil quenched from 995-1025C

Subcategory: Hot Work Steel; Metal; Tool Steel

Close Analogs: AISI Type H13

Key Words: UNS T20811

Component   Wt. %
C0.33 - 0.43 

Material Notes:
High hardenability, excellent toughness

Physical PropertiesMetricEnglishComments
Density7.8 g/cc0.282 lb/in 

Mechanical Properties
Hardness, Knoop642642 Converted from Rockwell C hardness.
Hardness, Rockwell C5656 
Hardness, Vickers621621 
Tensile Strength, Ultimate1990 MPa289000 psi 
Tensile Strength, Yield1650 MPa239000 psi 
Elongation at Break9 %9 % in 50 mm
Modulus of Elasticity210 GPa30500 ksi 
Bulk Modulus140 GPa20300 ksi Typical for steel.
Poisson's Ratio0.30.3 Calculated
Charpy Impact18 J13.3 ft-lb V-notch
Machinability45 - 55 %45 - 55 % Based on 1% carbon steel. as 100% machinability
Shear Modulus81 GPa11700 ksi Estimated from elastic modulus

Thermal Properties
CTE, linear 20C11 m/m-C6.11 in/in-F 25 - 95C
CTE, linear 250C12.4 m/m-C6.89 in/in-F 25 - 540C
Heat Capacity0.46 J/g-C0.11 BTU/lb-F from 0-100C (32-212F)
Thermal Conductivity24.6 W/m-K171 BTU-in/hr-ft-F at 215C

References are available for this material.


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