UNS K92810

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#UNS # #K92810

Description

UNS K92810 Alloy Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Alloy Steel: UNS K92810

Category	Type	Steel Grade
Steel Grades	Alloy Steel	UNS K92810
		AISI 1330
		SCr435
		ASTM 51310
		35Cr
		UNS G23300
		SKS95
		P
		M
		UNS J93005
		ICI 6150

Chemical composition(mass fraction)(wt.%) of the UNS K92810

AISI Grade 18Ni (200) Maraging steel, Annealed
Categories: Metal; Ferrous Metal; Alloy Steel; Low Alloy Steel; Carbon Steel; Low Carbon Steel; Maraging steel

Material Notes: Applications: Bearings, Belleville springs, bolts, cannon recoil springs, rocket motor and missiles cases, couplings, load cells, flexures for guidance mechanisms of missiles, helicopter drive shafts, transmission shafts, fan shafts in commercial jet engines, aircraft wing components and forgings, aluminum die casting dies, cold forming dies, plastic molding dies, cores, pins, punches, and trim knees.

Key Words: maraging steels, UNS K92810, ASTM A538 (A), ASTM A579 grade 71

Physical Properties	Metric	English	Comments
Density	8.00 g/cc	0.289 lb/in³

Mechanical Properties	Metric	English	Comments
Hardness, Brinell	290	290	estimated, based on comparison with similar maraging steels.
Hardness, Knoop	311	311	estimated, based on comparison with similar maraging steels.
Hardness, Rockwell B	99	99	estimated, based on comparison with similar maraging steels.
Hardness, Rockwell C	30	30	estimated, based on comparison with similar maraging steels.
Hardness, Vickers	301	301	estimated, based on comparison with similar maraging steels.
Tensile Strength, Ultimate	965 MPa	140000 psi
Tensile Strength, Yield	660 MPa	95700 psi	estimated, based on comparison with similar maraging steels.
Elongation at Break	17.0 %	17.0 %	estimated, based on comparison with similar maraging steels.
Reduction of Area	75.0 %	75.0 %	estimated, based on comparison with similar maraging steels.
Modulus of Elasticity	183 GPa	26500 ksi
Bulk Modulus	140 GPa	20300 ksi	Typical for steel
Poissons Ratio	0.300	0.300	Calculated
Shear Modulus	70.0 GPa	10200 ksi	Estimated from elastic modulus

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000174 ohm-cm	0.0000174 ohm-cm	Typical steel

Thermal Properties	Metric	English	Comments
CTE, linear	10.1 µm/m-°C @Temperature 21.0 - 480 °C	5.61 µin/in-°F @Temperature 69.8 - 896 °F
Thermal Conductivity	25.3 W/m-K	176 BTU-in/hr-ft²-°F	20°C
	25.8 W/m-K	179 BTU-in/hr-ft²-°F	50°C
	27.0 W/m-K	187 BTU-in/hr-ft²-°F	100°C

Component Elements Properties	Metric	English	Comments
Aluminum, Al	0.10 %	0.10 %
Boron, B	0.0030 %	0.0030 %
Carbon, C	<= 0.030 %	<= 0.030 %
Cobalt, Co	8.50 %	8.50 %
Iron, Fe	69.0 %	69.0 %	As remainder
Manganese, Mn	<= 0.10 %	<= 0.10 %
Molybdenum, Mo	3.25 %	3.25 %
Nickel, Ni	18.5 %	18.5 %
Phosphorous, P	<= 0.010 %	<= 0.010 %
Silicon, Si	<= 0.10 %	<= 0.10 %
Sulfur, S	<= 0.010 %	<= 0.010 %
Titanium, Ti	0.20 %	0.20 %
Zirconium, Zr	0.010 %	0.010 %

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AISI Grade 18Ni (250) Maraging Steel, nominal annealed properties
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Overview of materials for Maraging Steel

M1820A / 7364

Mechanical Properties of steel grade UNS K92810

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)
712 (≥)	518 (≥)	32	34	21	Solution and Aging, Annealing, Ausaging, Q+T,etc	232

Physical Properties of steel grade UNS K92810

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
33	-	-			0.23	-
923	694	-	31.3	133		-
181	-	32	43.2			211	413

Heat Treatment of steel grade UNS K92810

Heat treated : 1268°C - 1327°C

Technological Curves of steel grade UNS K92810

No Curve

Cross Reference Table (Equivalent Grade) of UNS K92810

Grade	Standard	Country	Application
UNS G10300	UNS	USA	General use carbon steel bar
UNS G10050	UNS	USA	General use carbon steel bar
UNS G10060	UNS	USA	General use carbon steel bar
UNS G10080	UNS	USA	General use carbon steel bar
UNS G10110	UNS	USA	General use carbon steel bar
ASTM 1012	ASTM	USA	General use carbon steel bar
UNS G10120	UNS	USA	General use carbon steel bar
UNS G10130	UNS	USA	General use carbon steel bar
UNS G10150	UNS	USA	General use carbon steel bar
UNS G10160	UNS	USA	General use carbon steel bar
UNS G10170	UNS	USA	General use carbon steel bar
UNS G10180	UNS	USA	General use carbon steel bar
UNS G10190	UNS	USA	General use carbon steel bar
UNS G10200	UNS	USA	General use carbon steel bar
UNS G10210	UNS	USA	General use carbon steel bar
UNS T72301	UNS	USA	Carbon tool steel
W2-A	ASTM	USA	Carbon tool steel
UNS T72302	UNS	USA	Carbon tool steel
UNS S42800	UNS	USA	Martensitic special steel
UNS S43100	UNS	USA	Martensitic special steel

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