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A2Q

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A1Q B2N,B2Q
#A2Q

Description

USA ASTM A2Q Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service and A2Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: A2Q
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy A2Q ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
J03003
J02505
J12522
J22500
J42215
J31550
J41500
J31300
J91540
A1Q

Chemical composition(mass fraction)(wt.%) of the A2Q

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％) Mo(％)
0.26 0.6 ≤1.20① 0.025 0.025 － － －

Mechanical Properties of steel grade A2Q

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)
657 (≥) 625 (≥) 12 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade A2Q

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
11 - -     0.11 -  
347 749 - 23.3 111   -  
525 - 23 22.2   312 314

Heat Treatment of steel grade A2Q

Heat treated : 1269°C - 1265°C

Technological Curves of steel grade A2Q

Cross Reference Table (Equivalent Grade) of A2Q

Grade Standard Country Application
ASTM A2Q AISI USA
A2Q ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
A2Q ASTM USA Steel Castings, Ferritic and Martensitic, for Pressure-Containing and Other Applications, for Low-Temperature Service
A1Q B2N,B2Q
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