ASTM 4A,4Q

This page provides ASTM 4A,4Q datasheet, ASTM 4A,4Q mechanical properties, chemical element ASTM 4A,4Q, technical specifications of ASTM 4A,4Q steel material properties. ASTM 4A,4Q performance specifications.

AISI ASTM 4A,4Q
Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy ASTM 4A,4Q AISI USA
UNS J42065
ASTM E3N
UNS J91550
ICI 1020
ASTM 1A
ASTM 2A,2Q
ICI 1030
ASTM 3A,3Q
ICI 1040
ICI 1050
Datasheet for:Steel Grades:Special Alloy:ASTM 4A,4Q

Chemical composition(mass fraction)(wt.%) of the ASTM 4A,4Q

C(%) Si(%) Mn(%) P(%) S(%) W(%) Cu(%)
0.45-0.55 0.20-1.00 0.70-1.00 Max 0.040 Max 0.045 Max 0.10 Max 0.50

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade ASTM 4A,4Q

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)
542 (≥) 591 (≥) 43 44 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 324
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
24 - -     0.12 -  
156 835 - 13.3 412   -  
242 - 21 31.2   312 432
Heat treated : 1246°C - 1571°C
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.
Cross Reference Table(Equivalent Grade)
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 1011 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 4A,4Q

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