NiMark 250 LCO

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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
Steel Grades	High 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 R_p0.2 (MPa)	Tensile R_m (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

No Curve

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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