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

Music Wire ASTM A228 UNS K08500 & G10860

Cold drawn. Constant tensile strength. High-quality and good for high cycle spring applications.

250F

449/230

(E) 30

(G) 11.5

45%

.012" to .250"

 

 SIZE CHART

Wire Diameter, in

.012 .026 .038 .054

.072

.095

.124

.192

.013 .027 .039

.055

.075

.098

.125

.207

.014 .028 .040 .056

.076

.100 .130

.225

.015 .029 .041 .057

.078

.105

.135

.243

.016 .030 .042 .058

.080

.109 .138

.250*

.017 .031 .044 .059

.082

.110

.148

 
.018 .032 .045 .062 .085 .112

.156

 
.020 .033 .047 .063

.090

.113

.162

 
.022 .035 .048 .065

.091

.114 .170  
.024 .036 .050

.067

.093 .118 .177  

.025

.037

.051

.070

.094

.120

.187

 

* Sizes up to .283 in diameter are available on request.

    

TENSILE STRENGTH CHART

Diameter, in

Tensile Strength,

ksi

Diameter, in

Tensile Strength,

ksi

Diameter, in

Tensile Strength,

ksi

Diameter, in

Tensile Strength,

ksi

min

max

min

max

min

max

min

max

.004

439 485

.022

345 382 .059 296 327 .125 261 288

.005

426 471

.024

341 377 .063 293 324 .130 259 286

.006

415 459

.026

337 373 .067 290 321 .135 258 285

.007

407 449

.028

333 368 .072 287 317 .140 256 283

.008

399 441

.030

330 365 .076 284 314 .145 254 281

.009

393 434

.032

327 361 .080 282 312 .150 253 279

.010

387 428

.034

324 358 .085 279 308 .156 251 277

.011

382 422

.036

321 355 .090 276 305 .162 249 275

.012

377 417

.038

318 352 .095 274 303 .177 245 270

.013

373 412

.040

315 349 .100 271 300 .192 241 267

.014

369 408

.042

313 346 .102 270 299 .207 238 264

.015

365 404

.045

309 342 .107 268 296 .225 235 260

.016

362 400

.048

306 339 .110 267 295 .250 230 255

.018

356 393

.051

303 335 .112 266 294      

.020

350 387

.055

300 331 .121 263 290      

Tensile strength values for intermediate diameters may be interpolated.

 

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.

 

1