Shock-proof & Wear Resistant Axle-centre Alloy 40ХНЮ-ВИ，ЭП793 Russia 3J40 China Grade

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Suzhou Xunshi New Material Co., Ltd

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Name: Shockproof amp Wear Resistant Axlecentre Alloy 40ХНЮВИЭП793 Russia 3J40 China Grade
Brand: AIWEN
Price: 1 USD

Place of Origin : Suzhou, China

Brand Name : AIWEN

Certification : ISO

Model Number : 3J40

MOQ : 50kg

Price : Available per request

Packaging Details : Wooden case, carton or per customer requirements

Delivery Time : 30 days

Payment Terms : T/T

Supply Ability : 5000 kg per month

Diameter range : 0.2-10mm

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Shock-proof & Wear Resistant Axle-centre Alloy 40ХНЮ-ВИ, ЭП793 Russia, 3J40 China Grade

Size range:

cold drawn wire: 0.2-6.0mm

Hot rolled/forged bar: 6-100mm

Shock-proof & Wear Resistant axle-centre alloy(YB/T5243-1993)
Relative Grade:40ХНЮ-ВИ,ЭП793 Russia

Grade and Chemical Composition (see Table1)
Table1 Grade and Chemical Composition

①Based on addition

Mechanical Property (see Table 2)
Table 2 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 degrees. No cracks and broken on the outside of the bending
Cold Drawn & Aging	780～830	>830～880		>880	480～540°C Keep warm for 5h

Note: 1.The default hardness classification of the alloy wire in cold drawing & aging status is class II.

Physical Property (see Table 3—Table 5)
Table 3 Coefficient of Linear Expansion

State	Coefficient of Linear Expansion/(10^-6/K)
State	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

Table 4 Modulus of Elasticity & Frequency Temperature Coefficient

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

Table 5 Magnetic Susceptibility & Resistivity

State	Magnetic Susceptibility		Resistivity/(μΩ•m)	Density/(g/cm³)
State	H=40KA/m	H:80KA/m	Resistivity/(μΩ•m)	Density/(g/cm³)
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 (See Table 5)
Table 5 Corrosion Resisting Property

State	Salt Fog Test	Long-time Store in The Air
Cold Drawing+ Solid Solution+Aging	No corrosion after 240 hours (Tested by the buyer per JB1606)	No corrosion

Usage: It is applied to produce the axle-centre of instrument and meter as well as the axle-centre of the staff

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