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

Chrome Vanadium

ASTM A-231

Valve Quality:

ASTM A-232

AMS 6450

Cold drawn.  Good for shock loads and medium elevated temperature applications.  Susceptible to hydrogen embrittlement when plated.

425°F

325/190

(E) 30
(G) 11.5

45%

.043" to .500"

 

 SIZE CHART

Wire Dia., in.

Wire

Dia., in.

Wire

Dia., in.

Wire

Dia., in.

Wire

Dia., in.

Wire

Dia., in.

Wire

Dia., in.

Wire

Dia., in.
.043 .060 .091 .102 .125 .207 .312 .406
.046 .062 .092 .105 .135 .225 .331 .437
.054 .072 .095 .113 .162 .262 .343

.468
.059 .080 .099 .120 .187 .283 .375  

Valve Quality

Wire Diameter, in

.059

 .095

.135

.162

.207

 .283 .343  

.085

.109

.142

.177

.243

.306

    

.090

.125

 .148

.192

.262

.331

    

 

 TENSILE STRENGTH CHART

Diameter, inches

Tensile Strength, ksiA

 Reduction of Area, minimum, %   Diameter, inches Tensile Strength, ksiA Reduction of Area, minimum, %

minimum

maximum

 minimum maximum
.020 300 325 C .162 225 245 40
.032 290 315 C .192 220 240 40
.041 280 305 C .244 210 230 40
.054 270 295 C .283 205 225 40
.062 265 290 C .312 203 223 40
.080 255 275 C .375 200 220 40
.105 245 265 45 .438 195 215 40
.135 235 255 45 .500 190 210 40

A Tensile strength values for intermediate diameters may be interpolated.

C The reduction of area test is not applicable to wire diameters under 0.092in.

Note: Valve quality material has improved surface quality.

 

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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