Available 24/7 at sales@steel-grades.com

ASTM 4A,4Q

Description

USA AISI ASTM 4A,4Q and ASTM 4A,4Q Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Special Alloy: 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

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 of steel 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 (≥) 467 (≥) 41 14 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade ASTM 4A,4Q

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 - -     0.33 -  
465 938 - 33.3 224   -  
847 - 34 12.2   141 411

Heat Treatment of steel grade ASTM 4A,4Q

Heat treated : 1917°C - 1962°C

Technological Curves of steel grade ASTM 4A,4Q

Cross Reference Table (Equivalent Grade) of ASTM 4A,4Q

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

Available Suppliers

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

Rfq.: sales@longhaisteel.com
  • Do you supply this ASTM 4A,4Q?
  • List your company on S&G now? Join
  • Non-paying users only
Top