Steel Plate ASTM A387/A387M

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ASTM A387 Grade 5 Class2(A387GR5CL2)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 5 Class2(A387GR5CL2) 0.15max 0.25-0.66 0.55max 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 5 Class2(A387GR5CL2) 515-690 310 45 -20,40,-60  
ASTM A387 Grade 5 Class1(A387GR5CL1)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 5 Class1(A387GR5CL1) 0.15max 0.25-0.66 0.55max 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 5 Class1(A387GR5CL1) 415-585 205 45 -20,40,-60  
ASTM A387 Grade 22 Class2(A387GR22CL2)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 22 Class2(A387GR22CL2) 0.04-0.15 0.25-0.66 0.55max 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 22 Class2(A387GR22CL2) 515-690 310 45 -20,40,-60  
ASTM A387 Grade 22 Class1(A387GR22CL1)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 22 Class1(A387GR22CL1) 0.04-0.15 0.25-0.66 0.55max 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 22 Class1(A387GR22CL1) 415-585 205 45 -20,40,-60  
ASTM A387 Grade 12 Class2(A387GR12CL2)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 12 Class2(A387GR12CL2) 0.04-0.17 0.35-0.73 0.13-0.45 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 12 Class2(A387GR12CL2) 455-585 275 22 -20,40,-60  
ASTM A387 Grade 12 Class1(A387GR12CL1)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 12 Class1(A387GR12CL1) 0.04-0.17 0.35-0.73 0.13-0.45 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 12 Class1(A387GR12CL1) 380-550 230 22 -20,40,-60  
ASTM A387 Grade 11 Class2(A387GR11CL2)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 11 Class2(A387GR11CL2) 0.04-0.17 0.35-0.73 0.13-0.45 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 11 Class2(A387GR11CL2) 515-690 310 22 -20,40,-60  
ASTM A387 Grade 11 Class1(A387GR11CL1)
Grade Chemical Composition(%)
C Mn≥ Si P S
ASTM A387 Grade 11 Class1(A387GR11CL1) 0.04-0.17 0.35-0.73 0.44-0.86 0.035 0.035
Grade Mechanical Property
Tensile Strength(MPa) Yield Strength(MPa) % Elongation in 2 in.(50mm) min Impacting Test  Temperature(°C)  
ASTM A387 Grade 11 Class1(A387GR11CL1) 415-585 240 22 -20,40,-60  

If you are interested in other pressure vessel steel plates, please click here - A202, A203, A204, A285, A299, A302, A387, A515, A516, A517, A533, A537, A612, A662, EN10028-2, EN10028-3, EN10028-5, EN10028-6, JIS G3103, JIS G3115, GB713, GB3531, DIN 17155.

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