ASTM 440A

USA ASTM ASTM 440A Martensitic special steel and ASTM 440A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Type Steel Grade Standard Country Application
Steel GradesSpecial Steel ASTM 440A ASTM USA Martensitic special steel
0Cr18Ni9
00Cr19Ni10
0Cr19Ni10NbN
UNS S42800
AISI 431
ASTM 431
UNS S43100
AISI 440A
1.0412
40X15H7
Datasheet for:Steel Grades:Special Steel:ASTM 440A

Chemical composition(mass fraction)(wt.%) of the ASTM 440A

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%)
0.60-0.75 Max 1.00 Max 1.00 Max 0.04 Max 0.03 16.0-18.0 Max 0.75

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade ASTM 440A

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)
493 (≥) 994 (≥) 43 44 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
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
23 - -     0.24 -  
783 398 - 23.3 244   -  
657 - 41 24.2   413 343
Heat treated : 1396°C - 1385°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
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