Stainless Steel 13-8 Product Guide

Applications | Stainless 13-8 Specifications | Mechanical and Chemical Data | Tolerances

Overview

13-8 stainless steel is a martensic stainless steel with excellent strength, high hardness, superior toughness, and good corrosion resistance. Additionally, 13-8 exhibits good ductility and fabrication characteristics. As such, it is typically used in aircraft frames, other aerospace applications, petrochemical and nuclear plants.

Common Trade Names

UNS S13800, 13-8Mo, 13-8PH, 13-8 PH, 13/8 Mo, 13/8Mo, 13/8PH, 13/8 PH, PH 13-8 Mo, Precipitation Hardening

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase Round Bar 13-8

Applications

Aerospace
Petrochemical
Nuclear Plants

Stainless 13-8 Specifications

ASTM	AMS	ASME
A564	5629	SA-564

	Density	Ultimate Tensile Strength	Yield Tensile Strength
Mechanical Information
Imperial	0.282 lb/in3	215,000 psi	205,000 psi
Metric	7.8 g/cc	1,480 MPa	1,415 MPa

	Modulus of Elasticity	Melting Point
Mechanical Information
Imperial	32,100 ksi	2,560-2,620 F
Metric	221 GPa	1,405-1,440 C

Elongation at break percentage	Machinability Percentage
Mechanical Information
13	35-40

Chemistry Information
Element	Percentage
Al	0.9 - 1.35
C	0.05 max
Cr	12.25 - 13.25
Fe	76
Mn	0.1 max
Ni	7.5 - 8.5
Mo	2 - 2.5
N	0.01 max
P Max	- 0.01
Si	0.1 max
S	0.008 max

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