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N-155

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America SAE N-155 Special Purpose Alloys ("Superalloys") and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: N-155 / N-155
Category Grade Standard Region/Area Standard Content
Metals N-155 SAE J 467 America Special Purpose Alloys ("Superalloys")

Chemical composition(mass fraction)(wt.%) of the N-155

Element Min Max Similar
W 2.0000 3.0000 -
Ta - 0.0500 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
N 0.1000 0.2000 -
Mo 2.5000 3.5000 -
Mn 1.0000 2.0000 -
Cr 20.0000 22.5000 -
Co 18.5000 21.0000 -
C - 0.1000 -
W 2.0000 3.0000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
N 0.1000 0.2000 -
Mo 2.5000 3.5000 -
Mn 1.0000 2.0000 -
Fe - - -
Cr 20.0000 22.5000 -
Co 18.5000 21.0000 -
C 0.0800 0.1600 -
W 2.0000 3.0000 -
Ta - 0.0500 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 19.0000 21.0000 -
Nb 0.7500 1.2500 -
N 0.1000 0.2000 -
Mo 2.5000 3.5000 -
Mn 1.0000 2.0000 -
Cr 20.0000 22.5000 -
Co 18.5000 21.0000 -
C - 0.2000 -

Mechanical Properties of steel grade N-155

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)
239 (≥) 762 (≥) 41 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade N-155

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
34 - -     0.13 -  
769 456 - 43.3 333   -  
177 - 44 41.2   343 441

Heat Treatment of steel grade N-155

Heat treated : 1876°C - 1772°C

Technological Curves of steel grade N-155

Cross Reference Table (Equivalent Grade) of N-155

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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