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HC 401

Favorite Datasheet

England B.S. HC401 Specification for 18% nickel maraging steel precision castings (1600-1850 MPa) and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: HC401 / HC 401
Category Grade Standard Region/Area Standard Content
Metals HC 401 BS HC 401 England Specification for 18% nickel maraging steel precision castings (1600-1850 MPa)

Chemical composition(mass fraction)(wt.%) of the HC 401

Element Min Max Similar
Ti 0.1500 0.6000 -
Si - 0.1000 -
S - 0.0100 -
P - 0.0100 -
Ni 16.0000 17.5000 -
Mo 4.4000 4.9000 -
Mn - 0.1000 -
Cr - 0.2500 -
Co 9.5000 11.0000 -
C - 0.0300 -
Al 0.0200 0.1500 -

Mechanical Properties of steel grade HC 401

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)
589 (≥) 712 (≥) 32 44 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade HC 401

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
21 - -     0.22 -  
659 167 - 24.3 312   -  
597 - 31 34.2   422 442

Heat Treatment of steel grade HC 401

Heat treated : 1599°C - 1543°C

Technological Curves of steel grade HC 401

Cross Reference Table (Equivalent Grade) of HC 401

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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