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AISI Type 632
Category Steel
Class Stainless steel
Type Precipitation-hardening nonstandard
Common Names Chromium steel
Designations  Germany: DIN 1.4532
United States: AMS 5520 , AMS 5657 , AMS 5812 , AMS 5813 , ASTM A564 , ASTM A579 , ASTM A693 , ASTM A705 , SAE J467 (PH15-7-Mo) , UNS S15700

ElementWeight %
C  0.09 
Mn  1.00 
Si  1.00 
Cr  14.0-16.0 
Ni  6.5-7.75 
P  0.04 
S  0.03 
Mo  2.0-3.0 
Al  0.75-1.5 

Mechanical Properties
Properties Conditions 
T (°C)Treatment
Density (×1000 kg/m3) 7.7-8.03 25  
Poisson's Ratio 0.27-0.30 25  
Elastic Modulus (GPa) 190-210 25  
Tensile Strength (Mpa) 1380  25  cold rolled (plate, sheet, strip) more
Yield Strength (Mpa) 1210 
Elongation (%)
Reduction in Area (%)  
Hardness (HRC) 41 (min)  25  cold rolled (plate, sheet, strip) more

Thermal Properties
Properties Conditions 
T (°C)Treatment
Thermal Expansion (10-6/ºC) 9  21-93 more  
Thermal Conductivity (W/m-K) 15.1  21 more