eFunda: Properties of Carbon Steel AISI 12L14
engineering fundamentals Carbon Steel AISI 12L14
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AISI 12L14
Category Steel
Class Carbon steel
Type Standard resulfurized and rephosphorized
Common Names Lead steel
Designations  Germany: DIN 1.0718
Italy: UNI 9 SMnPb 23
Japan: JIS SUM 22 L , JIS SUM 24 L
Sweden: SS 1914
United States: ASTM A108 , ASTM A29 , SAE J403 , SAE J412 , SAE J414 , UNS G12144

Composition

ElementWeight %
C  0.15 (max) 
Mn  0.85-1.15 
P  0.04-0.09 
S  0.26-0.35 
Pb  0.15-0.35 

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) 540  25  cold drawn (round bar (19-38 mm)) more
Yield Strength (Mpa) 415 
Elongation (%) 10 
Reduction in Area (%) 35 
Hardness (HB) 163  25  cold drawn (round bar (19-38 mm)) more
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