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Material Guide

Beryllium Copper

Applications
Coil Spring, Spiral Spring, Diaphragm, Fuse Clip, Connector, Sockt, Aircraft Enging Parts, Propeller, Bolt, Electrode for Spot Welding, Brush
Material Lineup for Beryllium Copper
C1720
Chemical Component (%)
  Be Ni + Co Ni + Co + Fe Cu + Be + Ni + Co + Fe
C1700 1.60min 1.79max 0.20min 0.6max 99.5min
C1720 1.80min 2.00max 0.20min 0.6max 99.5min
Mechanical Property
  Tensile Test Hardness Test
Thickness (mm) Tensile Strength (N/mm2) Elongation (%) Thickness (mm) Hardness (HV)
C1700 O 0.10min 410min 540max 35min 0.10min
1.6max
90min 160max
1/4H 510min 620max 10min 145min 220max
1/2H 590min 695max 5min 180min 240max
H 685min 835max 2min 210min 270max
C1720 O 0.10min 410min 540max 35min 0.10min
1.6max
90min 160max
1/4H 510min 620max 10min 145min 220max
1/2H 590min 695max 5min 180min 240max
H 685min 835max 2min 210min 270max



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