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ASTM 12Q

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ICI 4620 ICI 6150
#ASTM # #12Q

Description

USA AISI ASTM 12Q and ASTM 12Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: ASTM 12Q
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ASTM 12Q AISI USA
ASTM 7Q
ICI 4130
ICI 4140
ASTM 8Q
ICI 4330
ASTM 9Q
ASTM 10Q
ICI 4340
ASTM 11Q
ICI 4620

Chemical composition(mass fraction)(wt.%) of the ASTM 12Q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) W(%) Cu(%) Other(%)
0.45-0.55 0.20-0.80 0.65-0.95 Max 0.04 Max 0.045 0.80-1.10 Max 0.50 Max 0.10 Max 0.50 Mo+W Max 0.10

Mechanical Properties of steel grade ASTM 12Q

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)
972 (≥) 881 (≥) 44 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade ASTM 12Q

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
44 - -     0.12 -  
646 834 - 24.3 313   -  
688 - 31 22.2   121 244

Heat Treatment of steel grade ASTM 12Q

Heat treated : 1229°C - 1573°C

Technological Curves of steel grade ASTM 12Q

Cross Reference Table (Equivalent Grade) of ASTM 12Q

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
ICI 4620 ICI 6150
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