Suhm Spring Works - Materials Properties

                                                                                               

    Material

Material Properties

Maximum Working Temp.

 Ultimate Tensile Range ksi

Modulus of Elasticity,
psi 106

Approx. Design % of Ultimate Tensile (torsional)

Common Sizes,
in

Phosphor Bronze

Wire Grade A

 ASTM B159 H08

UNS C51000

Cold drawn.  Good electrical conductivity.  Good corrosion resistance.

200°F

145/105

(E) 15

(G) 6.25

40%

.010" to .468"

 

 SIZE CHART

Wire Diameter, in
.010 .025 .045 .072 .109 .144 .204 .468
.012 .028 .051 .080 .114 .156 .244  
.015 .032 .057 .091 .120 .162 .250  
.018 .036 .062 .095 .125 .182 .312  
.020 .040 .064 .101 .128 .187 .406  

 

 TENSILE STRENGTH CHART

Diameter, inches Tensile Strength, psi, minimum

Elongation in 2 inches, %
.025 and under 145,000
 ....
over .025 to .0625
 135,000
 ....
over .0625 to .125
 130.000
 ....
over .125 to .250
 125,000
 ....
over .250 to .375
 120,000
 5.0
over .375 to .500
 105,000
 9.0

 

These data are provided as a reference guide only and are not intended for design purposes.  Strength values and sizes are subject to change.  Please check with a Suhm Spring representative for confirmation.

 

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