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Designer and Manufacturer of Precision Springs Since 1939

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  • NORTHEAST PLANT

    1.800.816.5613
  • CATALOG DIVISION

    1.800.424.0500
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    1.412.684.1201
  • SOUTHEAST PLANT

    1.800.933.7774
  • SOUTHWEST PLANT

    1.800.238.3510

Non-ferrous Wire Springs

MaterialPhosphor BronzeBeryllium CopperMonel 400Monel 400
 Grade AASTM B 197AMS 7233AMS 7233
 ASTM B 159   
Nominal AnalysisCu -- 94.0% - 96.0%Cu -- 98.0%Ni -- 66.0%Ni -- 65.0%
 Sn -- 4.0 - 6.0%Be -- 2.0%Cu -- 31.5%Cu -- 29.5%
   C/FeC/Fe/A/Ti
Minimum Tensile Strength105-145150-230145-180160-200
Modulus of Elasticity E1518.52626
psi x 103    
Design Stress % Minimum40454040
Tensile    
Modulus in Torsion6.2579.59.5
G psi x 106    
Maximum Temp. °F200400450550
Maximum Temp. °C93.8204232288
Rockwell HardnessB98-104C35-42C23-32C23-35
Method of ManufactureCold drawn. Good corrosion resistance and electrical conductivity.Cold drawn and may be mill hardened before fabrication. Good corrosion resistance and electrical conductivity. High physicals.Cold drawn. Good corrosion resistance at moderately elevated temperature.Excellent corrosion resistance at moderately elevated temperature.
Chief Uses    
Special Properties