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AISI 9260
Category Steel
Class Alloy steel
Type Standard
Common Names Silicon-manganese steel
Designations  France: AFNOR 60 S 7 , AFNOR 61 SC 7
Germany: DIN 1.0909
United Kingdom: B.S. 250 A 58
United States: ASTM A29 , ASTM A322 , ASTM A331 , ASTM A505 , ASTM A519 , ASTM A59 , SAE J1268 , SAE J404 , SAE J412 , SAE J770 , UNS G92600


ElementWeight %
C  0.56-0.64 
Mn  0.75-1.00 
P  0.035 (max) 
S  0.04 (max) 
Si  1.80-2.20 

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) 1758  25  oil quenched, fine grained, tempered at 425°C  more
Yield Strength (Mpa) 1503 
Elongation (%)
Reduction in Area (%) 24 
Hardness (HB) 600  25  oil quenched, fine grained, tempered at 205°C more