H13

H13 Product Guide

Applications | Mechanical and Chemical Data | Tolerances

Overview

With high toughness and very good stability during heat treatment, this tool steel provides good wear resistance in hot and cold work tooling. Typically used in cores, cavities for dies, and tools that require toughness and polishability.

Common Trade Names

UNS T20813, AISI Type H13, Hot Work Tool Steel, Firechrome 44

Other Resources

Weight Calculator | Mill Test Reports

Products

H13 Drill Rod | H13 Rectangle Bar | H13 Square Bar

Applications

Cores
Dies
Tooling

	Annealed	Pre-Hard
Physical Properties H13
Density	0.282 lb/in3	0.282 lb/in3
Ultimate Tensile Strength	100 ksi	260 ksi
Yield Tensile Strength	48 ksi	232 ksi
Hardness Rockwell \| Brinell	C22 \| 235 max.	C40-48 \| 371-451
Modulus of Elasticity	30,500 ksi	30,500 ksi
Poisson's Ratio	0.29	0.29
Machinability Percentage	75%	75%
Melting Point	2,580-2,660 °F	2,580-2,660 °F
Specific Heat	1.1 x 10^-1 BTU/lb-°F	1.1 x 10^-1 BTU/lb-°F
Thermal Conductivity	204 BTU-in/hr-ft^2-°F	204 BTU-in/hr-ft^2-°F
Electrical Conductivity	8.3% IACS	8.3% IACS

Chemistry Information
Element	Percentage
Fe	88.8 - 92
Cr	4.8 - 5.5
Si	0.8 - 1.2
Mo	1.1 - 1.8
Mn	0.2 - 0.5
C	0.32 - 0.45
V	0.8 - 1.2
Cu	0 - 0.25
Ni	0 - 0.3
P	0 - 0.03
S	0 - 0.03