Steel Specials H11 Material Property Data Sheet

Do you need custom fasteners created with Steel Specials H11? Since our inception, Elgin Fastener Group 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 995-1025°C

Subcategory: Hot Work Steel; Metal; Tool Steel

Close Analogs: AISI Type H13

Key Words: UNS T20811

Component Wt. %
C 0.33 – 0.43
Cr 5.2
Fe 93
Mo 1.35
V 0.45

Material Notes:

High hardenability, excellent toughness

Physical Properties Metric English Comments
Density 7.8 g/cc 0.282 lb/in³
Mechanical Properties
Hardness, Knoop 642 642 Converted from Rockwell C hardness.
Hardness, Rockwell C 56 56
Hardness, Vickers 621 621
Tensile Strength, Ultimate 1990 MPa 289000 psi
Tensile Strength, Yield 1650 MPa 239000 psi
Elongation at Break 9 % 9 % in 50 mm
Modulus of Elasticity 210 GPa 30500 ksi
Bulk Modulus 140 GPa 20300 ksi Typical for steel.
Poisson’s Ratio 0.3 0.3 Calculated
Charpy Impact 18 J 13.3 ft-lb V-notch
Machinability 45 – 55 % 45 – 55 % Based on 1% carbon steel. as 100% machinability
Shear Modulus 81 GPa 11700 ksi Estimated from elastic modulus
Thermal Properties
CTE, linear 20°C 11 µm/m-°C 6.11 µin/in-°F 25 – 95ºC
CTE, linear 250°C 12.4 µm/m-°C 6.89 µin/in-°F 25 – 540ºC
Heat Capacity 0.46 J/g-°C 0.11 BTU/lb-°F from 0-100°C (32-212°F)
Thermal Conductivity 24.6 W/m-K 171 BTU-in/hr-ft²-°F at 215ºC

References are available for this material.

This information is provided by, The Online Materials Database and is reprinted with their permission.

Copyright 1996-2014 by Automation Creations, Inc. The contents, results, and technical data on this page may not be reproduced either electronically, photographically or substantively without permission from Automation Creations, Inc and No warranty, neither expressed nor implied, is given regarding the accuracy of this information. The user assumes all risk and liability in connection with the use of information from