Spring Material and Types Data Review

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This table details engineeriong properties of common spring materials as well as some alloys for design material selection application. The specifications indicated are current at the time of publication.

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Types of Springs:
Compression Spring is an open-coil, helical spring that offer resistance to compressive loading.

Extension Spring is a close-coiled helical spring that offers resistance to a pulling force.
Torsion Spring exert pressure along a path which is a circular arc, or, in other words, providing torque.  Sometimes these springs are called torsion springs, motors springs, power springs.

Related resources:

Common Spring Materials and Engineering Properties

Spring
Material

Materials Specification

Density (lb/in3)

Minimum Tensile Strength
(psi x 103)

Modulus Elasticity (E)
(psi x 106)

Modulus Torsion (G)
(psi x 106)

Maximum Operating Temperature

Application

Beryllium Copper

ASTM B197

0.298

150 - 230

18.5

7.0

400 °F

Good corrosion resistance and electrical conductivity. Good physical strength.

Chrome Vanadium

ASTM A231

0.284

190 - 300

30.0

11.5

425 °F

Used for shock loads and moderately elevated temperatures.

Elgiloy

AMS 5833

270 - 330

32.0

12.0

250 °F

Excellent corrosion resistance.

Hard Drawn MB

ASTM A227

0.284

Class I: 147 - 283
Class II: 171 - 324

30.0

11.5

250 °F

Typical stress applications. Can be electroplated.

Hastelloy (C276)

ASTM B574

100 - 200

30.7

11.8

700 °F

High corrosion resistance.

Inconel 600

AMS B166

0.304

100 - 230

31.0

11.0

700 °F

Corrosion resistance at moderately elevated temperature.

Inconel 718

AMS B637

0.298

210 - 250

29.0

11.2

1100 °F

Good corrosion resistance at moderately elevated temperature.

Inconel X750

AMS 5698 / 5699

0.298

No. 1 Temper: 155 Min
Spring Temper: 190 - 230

31.0

12.0

750 - 1100 °F

Good corrosion resistance at moderately elevated temperature.

Monel 400

AMS 7233

0.319

145 - 180

26.0

9.5

450 °F

Good corrosion resistance at moderately elevated temperature.

Monel K 500

QQ-N-286

0.306

160 - 200

26.0

9.5

550 °F

Excellent corrosion resistance at moderately elevated temperature.

NiSpan C

AMS 5225

0.294

150 - 190

24.0 - 29.0

9.0 - 10.0

150 °F

Constant modulus alloy.

Music Wire

ASTM A228

0.284

230 - 399

30.0

12 (up to 0.100")
11.75 (over 0.100")

250 °F

Good surface finish.

Oil Tempered MB

ASTM A229

0.284

Class I: 165 - 293
Class II: 191 - 324

30.0

11.5

250 °F

General purpose spring wire can be heat treated.

Oil Tempered Chrome Silicon

ASTM A401

0.284

235 - 300

30.0

11.5

475 °F

Shock loads and moderately elevated temperatures.

Phosphor Bronze

ASTM B159

0.320

105 - 145

15.0

6.25

200 °F

Cold drawn. Good corrosion resistance and electrical conductivity.

Stainless Steel 302/304

ASTM A313

0.286

125 - 325

28.0

10.0

550 °F

Cold drawn general purpose corrosion and heat resistant.

Stainless Steel 316

ASTM A313

0.286

110 - 245

28.0

10.0

550 °F

Heat resistant and better corrosion resistance than 302.

Stainless Steel 17-7 PH

AMS 5678

0.282

235 - 335

29.5

11.0

650 °F

High strength and general purpose corrosion resistance.

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