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Co40CrNiMo Elastic Alloy Wire / Strip / Rod / Tube / Plate

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Co40CrNiMo Elastic Alloy Wire / Strip / Rod / Tube / Plate

Brand Name : KAIXIN

Model Number : KX-Alloy 3J21

Certification : ISO9001:2015

Place of Origin : China

MOQ : 200KG

Price : To negotiate

Payment Terms : T/T, L/C

Supply Ability : 50~80 TONS per MONTH

Delivery Time : 45~60days

Packaging Details : Wooden Box, size as per guests' request

Shape : Wire,Strip,Rod,Tube,Plate

Alloy Type : High Elastic Alloy

Raw Materials : NI14-16%,CR19-21%,CO39-41%,MO6.5-7.5%

Executive Standard : YB/T5253-2011 ,GOST

Delivery State : Cold Rolled and Cold Drawn

Size : Negotiable

Application : It is suitable for making elastic elements of small section and precision devices on aerospace spacecraft

Features : High elasticity, high fatigue resistance, high corrosion resistance and non-magnetic and etc good comprehensive performance

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KX Co40CrNiMo Elastic Properties Strong Support Light Rod On Elastic Alloy

Product Description and Application

Co40CrNiMo is also known as 40KHNM (Russian), Elgiloy alloy, elastic alloy 3J21,AMS 5833,UNS R30003, NS604PH,K.R.N
Co40CrNiMo has good plasticity and easy to work in solid solution state. After cold working and aging treatment with large strain rate, high mechanical and elastic properties are obtained. It has high hardness, strength, elastic limit, energy storage ratio, fatigue strength, elastic lag and after-effect, non-magnetic, good wear resistance, shock resistance, excellent corrosion resistance and working temperature can be up to 400 ℃, which can also work at low temperature.


Process Performance and Requirements

  • Product Fusion Process


Vacuum Induction Furnace(VIM) and Electroslag Remelting Furnace(ESR)

  • Chemical Composition

Grade Chemical Composition(Mass Fraction)/%
C Mn Si P S Ni Cr Co Mo Fe
Co40CrNiMo 0.07-0.12 1.70-2.3 ≤0.60 ≤0.010 ≤0.010 14.00-16.00 19.00-21.00 39.00-41.00 16.50-7.50 Rem

  • Product Physical Property

Elasticity Modulus E(N/mm2) 196000－215600
Shear Modulus G/(/mm2) 73500-83300
Density ρ/(g/cm3) 8.4
Average Coefficient of Linear Expansion αl(10-4/℃) 14
Resistivity ρ( Ω·mm2/m) 0.92
Magnetic Susceptibility χ/10-6 50-1000
Remark:Magnetic susceptibility x is the value in absolute electromagnetic units

  • Product Mechanical Property

Product Shape Delivery State

Thickness or

Diameter mm

 Performance Group Mechanical Property
Rm(N/mm2) A/%
Strip Cold Rolled ＞ 0.10~2.50 A 1176~1470 ≧5
B 1470~1764 ≧3
Wire Cold Draw ＞ 0.10~5.00 A 1274~1568 --
B 1568~1862 --
Bar Cold Rolled 12.00~22.00 -- 1176~1568 ≧5
Elongation after breaking is not considered for strips with thickness less than 0.2mm

  • Productive Process


Co40CrNiMo Elastic Alloy Wire / Strip / Rod / Tube / Plate



  • Professional Customization

Cold-drawn Wire ¢0.3~¢18mm(Delivery in rolls or trays)
Hot-Rolling Wire ¢5.5~¢20mm(Delivery in rolls)
Strip thickness 0.1~4.5*width 6~350mm(Supply in rolls or straight strips)
Smooth Forged Rod on a Lathe

¢60~350mm,L800-2500mm
Hot-rolled Burnishing ¢20~80mm,L1000-5000mm
Cold Drawn and Burnishing ¢2.5~18mm,L1000-8000mm
Seamless Tube ¢1~275mm,wall thickness 0.2~30,L1000-8000mm



Co40CrNiMo Elastic Alloy Wire / Strip / Rod / Tube / Plate

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