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

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 Grade Chemical Composition (%) C P S Mn Si Fe Cr A1 Ce① Ni ≤ 3J40 0.03 0.010 0.010 0.10 0.20 0.50 39.0～41.0 3.30～3.50 0.10～0.2 Balance 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) 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℃ 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 Table 5 Magnetic Susceptibility & Resistivity State Magnetic Susceptibility Resistivity/(μΩ•m) Density/(g/cm3) H=40KA/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 (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

About XUNSHI

Suzhou Xunshi New Material Co., Ltd (refered as Xunshi afterwards) is a professional supplier of high performance alloys. Our factory is specialized in manufacturing Nickel alloys & Cobalt alloys for 10+ years，with a company mission to provide a high quality, reliable source for precision alloys, high temperature alloys and stainless steels in both pilot run and mass production. We are professionally manufacturing materials with unique features, which are then used in aerospace, military, electronics, marine, petroleum and petrochemical industries.

Base on “Quality-oriented, Leading Technology, Continuous Improvement, Customer Satisfaction”, we believe Xunshi could be your best supplier.

Product Scope of Xunshi

· Inconel

· Hastelloy

· Incoloy

· Monel

· Nimonic

· Nitronic

· Haynes

· Special Stainless Steel

· Soft Magnetic Alloy

· Permanent Magnetic Alloy

· Elastic Alloy

· Controlled Expansion Alloy

· Magnetostrictive Material

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· Material selection

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· Heat treatment

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· Experienced in industry

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Xunshi is engaged in introducing China-origin high performance alloys to the entire world. Choose Xunshi, choose high performance.