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ASTM C12A

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UNS J82090 UNS J84090
#ASTM # #C12A

Description

USA AISI ASTM C12A and ASTM C12A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ASTM C12A
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ASTM C12A AISI USA
ASTM WC6
UNS J12072
ASTM WC9
UNS J21890
UNS J11872
ASTM WC11
ASTM C5
UNS J42045
ASTM C12
UNS J82090

Chemical composition(mass fraction)(wt.%) of the ASTM C12A

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％) V(%) N(%) Nb(%)
0.08-0.12 Max 0.60 0.30-0.60 Max 0.020 Max 0.010 8.0-9.50 0.40 0.85-1.05 0.18-0.25 0.03-0.07 0.06-0.10

Mechanical Properties of steel grade ASTM C12A

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
748 (≥) 399 (≥) 22 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade ASTM C12A

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
32 - -     0.42 -  
486 961 - 11.3 214   -  
423 - 42 14.2   444 134

Heat Treatment of steel grade ASTM C12A

Heat treated : 1229°C - 1514°C

Technological Curves of steel grade ASTM C12A

Cross Reference Table (Equivalent Grade) of ASTM C12A

Grade Standard Country Application
ASTM 1030 ASTM USA General use carbon steel bar
ASTM 1005 ASTM USA General use carbon steel bar
ASTM 1006 ASTM USA General use carbon steel bar
ASTM 1008 ASTM USA General use carbon steel bar
ASTM 1010 ASTM USA General use carbon steel bar
ASTM 1013 ASTM USA General use carbon steel bar
ASTM 1015 ASTM USA General use carbon steel bar
ASTM 1016 ASTM USA General use carbon steel bar
ASTM 1017 ASTM USA General use carbon steel bar
ASTM 1018 ASTM USA General use carbon steel bar
ASTM 1019 ASTM USA General use carbon steel bar
ASTM 1020 ASTM USA General use carbon steel bar
ASTM 1021 ASTM USA General use carbon steel bar
ASTM W1-A ASTM USA Carbon tool steel
ASTM A182 F55 ASTM USA Super Duplex
ASTM 431 ASTM USA Martensitic special steel
ASTM 440A ASTM USA Martensitic special steel
ASTM 440B ASTM USA Martensitic special steel
ASTM 440C ASTM USA Martensitic special steel
ASTM 501 ASTM USA Martensitic special steel
UNS J82090 UNS J84090
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