HK40

ASTM A297/A297M-2000 - Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application

This page provides HK40 datasheet, HK40 mechanical properties, chemical element HK40, technical specifications of HK40 steel material properties. HK40 performance specifications.

Category Type Steel Grade Standard Country Application
Steel GradesSpecial Alloy HK40 ASTM USA Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
CG8M
CK3MCuN
CK20
CH8
CH10
CH20
CN3MN
CN7M
CT15C
HK30
Datasheet for:Steel Grades:Special Alloy:HK40

Chemical composition(mass fraction)(wt.%) of the HK40

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%)
0.35-0.45 1.75 1.5 0.04 0.04 23.0-27.0 19.0-22.0 ≤0.50

Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade HK40

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)
648 (≥) 833 (≥) 13 31 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
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
13 - -     0.44 -  
735 548 - 43.3 414   -  
744 - 42 23.2   143 133
Heat treated : 1917°C - 1117°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 HK40 AISI USA
HK40 ASTM USA
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
HK40 ASTM USA
Steel Castings, Iron-Chromium and Iron-Chromium-Nickel,Heat Resistant, for General Application
Contact Suppliers with your enquiries for HK40 any of the shape and size.

Haihong International Trade (HK) CO., Limited

Stainless Steel, Special Steel, Compressor Blading, Turbine Blading, Superalloy Supplier.
HK40 can be supplied as steel plate/ sheet, round steel bar, steel tube/pipe, steel stripe, steel billet, steel ingot, steel wire rods. electroslag, forged ring/ block,etc.
TEL:+86-816-3646575 FAX: +86-816-3639422
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