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NiMark 250 LCO

Description

NiMark 250 LCO High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: NiMark 250 LCO
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy NiMark 250 LCO
Nicrofer 3228 NnCe
NILO 36
NILO 42
NILO 48
NILO Alloy 365
NILO 475
NILO K
NILOMAG 36
NILOMAG 77
NiMark 250

Chemical composition(mass fraction)(wt.%) of the NiMark 250 LCO

 

C
Si
Mn
P
S
Cr Ni
0.03 0.1 0.1 0.01 0.01   18-19
Mo Al Cu Nb Ti Zr Ca
2.4-2.8 0.05-0.15     1.1-1.3 ≤0.3 ≤0.05
N Co Pb B Other    
  1.8-2.2   ≤0.003      
             

Mechanical Properties of steel grade NiMark 250 LCO

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)
194 (≥) 554 (≥) 44 12 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade NiMark 250 LCO

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
41 - -     0.21 -  
316 734 - 44.3 341   -  
769 - 42 21.2   343 441

Heat Treatment of steel grade NiMark 250 LCO

Heat treated : 1749°C - 1627°C

Technological Curves of steel grade NiMark 250 LCO

Cross Reference Table (Equivalent Grade) of NiMark 250 LCO

Grade Standard Country Application
Stellite 250 Stellite alloy
UNS J02500 UNS USA
UNS J02500 UNS USA
ASTM Grade 485-250(70-35) ASTM USA
UNS J02501 UNS USA
UNS J92500 China
UNS J92500 AISI USA
UNS J02502 AISI USA
UNS J02503 AISI USA
UNS J02504 AISI USA
UNS J02505 AISI USA
UNS J22500 AISI USA
UNS J02503 AISI USA
UNS J22501 AISI USA
2CuMoCrNi250 Stainless steel
2NbNiCr250 Stainless steel
15SNC250 Stainless steel
40SiNiCr250 Stainless steel
T25NiCr250 Cast Steel
250 Australia Structural steel

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