Shock-Proof & Wear Resistance axle-centre alloy (YB/T5243-1993) Axle-centre alloy Is a kind of elasticity of nickel-based alloy, with high strength, hardness and elasticity, corrosion resistance and non-magnetic characteristics.
Forms: Sheet/Plate, Bar/Rod/Wire/Coil

Description

Axle-centre alloy Is a kind of elasticity of nickel-based alloy, with high strength, hardness and elasticity, corrosion resistance and non-magnetic characteristics.

Application

Mainly used in producing areas such as aviation, navigation, Shaft for anti-aircraft gun, axis point.

parameter

Chemical Composition (%)

C	P	S	Mn	Si	Fe	Cr	Al	Ce	Ni
≤
0.03	0.010	0.010	0.10	0.20	0.50	39.0~41.0	3.30~3.50	0.10~0.20	Balance

Physical Property

Density	7.6 g/cm3
Expansion coefficient at 20 ~ l00 ℃	12.5×10-6 K-1
Resistivity	0.78 μΩ·m
Magnetic Susceptibility	6.0×1011

Mechanical Property

Statue	Vickers Hardness/HV					Commended Heat Treatment			Bend Test The Radius of the mandrel is twice as the diameter of the alloy
	I	II		III
Cold Drawing	450-510								Bend 90 degree ,No Cracks and broken on the outside of the bending
Cold Drawn&Aging	780-830		>830-880		>880		480-540℃ Keep warm for 5h

Coefficient of Expansion

Statue	Coefficient of Linear Expansion/(10-6/K)
	20～55℃	20~100℃	20~200℃	20~300℃	20~400℃	20~500℃
Solid Solution	12.2~12.7	12.4~12.5	12.6~12.8	13.0~13.1	13.5~13.6	13.8~14.0
Solid Solution&aging	11.0~11.5	11.9~12.0	12.0~12.2	12.4~12.5	12.7～12.8	13.1~13.3
Cold drawn &aging	11.6	12.0	12.1	12.4	12.8	13.3

Modulus of Elasticity & Frequency Temperature Coefficient

State	Modulus of Elasticity	Temperature Coefficientβf/(10-6℃)		Mechanical Quality Factor Q20℃
		20～-40℃	20～100℃
Solid Solution +80%Strain Rate	176500~196000
Solid Solution +80% Strain Rate+Aging 5h	225500~235500	-103～-106	-104～-110	49000～51000

Magnetic Susceptibility &Resistivity

State	Magnetic Susceptibility		Resistivity(μΩ·m)	Density(g/cm3)
	H=40A/m	H:80KA/m
Solid Solution	3.5-4.5	3.5-4.6		7.6
Solid Solution+Aging	3.8-4.0	2.4-4.2
Solid Solution+Cold Drawing	2.8-3.0		1.21
Solid Solution+69%Strain rate+Aging			0.78

Corrosion Resisting Property

State	Salt Fog Test	Long-time store in the air
Cold Drawing+ Solid Solution+Aging	No corrosion after 240 hours(Test by buyer perJB1606	No corrosion

Size Range

Sheet	Thickness: 0.10mm~2.50mm, width:10.0~210mm
Plate	Thickness: 2.5mm~40.0mm,width:≤300mm
Round Wire	Dia 0.1mm~Dia 7.0mm
Flat Wire	Dia 0.5mm~Dia 7.0mm,length:≤1000mm
Bar	Dia 7.0mm~Dia 10.0mm,length:≤2000mm

Condition: (With max tolerance) hot rolled, cold rolled, cold drawn,bright