Alloy 20 Spring Tempered Wire

printer-friendly version - back to material properties chart




General Information

Material

Material Properties

Maximum Working Temp.

Ultimate Tensile Range (ksi min)

Modulus of Elasticity

Approx. Design % of Ultimate Tensile (torsional)

Common Sizes (inches)

Alloy 20 Spring Tempered Wire
ASTM B473
UNS N08020

Excellent mechanical properties and easily fabricated. Moderate to good corrosion resistance. Used extensively in petrochemical and refining applications.

-

200/125

(E)29
(G)10.9

45%

.025" to .362"

Wire Sizes (Diameter in Inches)

.025

.026

.027

.028

.029

.030

.031

.032

.033

.034

.035

.036

.037

.038

.039

.040

.041

.042

.043

.044

.045

.046

.047

.049

.050

.051

.052

.053

.054

.055

.056

.057

.058

.059

.060

.061

.062

.064

.065

.067

.068

.069

.070

.071

.072

.074

.075

.076

.077

.078

.080

.082

.095

.097

.098

.099

.100

.102

.105

.109

.112

.113

.115

.118

.120

.125

.128

.129

.135

.138

.140

.142

.148

.156

.162

.187

.207

.234

.235

.262

.362

Tensile Strength

Diameter
inches (mm)

Minimum Tensile Strength
psi (MPa)

Maximum Tensile Strength
psi (MPa)

Over 0.010 (0.25) to 0.030 (0.76)

200,000 (1380)

230,000 (1585)

Over 0.030 (0.76) to 0.060 (1.52)

195,000 (1345)

225,000 (1550)

Over 0.060 (1.52) to 0.075 (1.90)

190,000 (1310)

220,000 (1515)

Over 0.075 (1.90) to 0.100 (2.54)

185,000 (1275)

215,000 (1480)

Over 0.100 (2.54) to 0.125 (3.18)

180,000 (1240)

210,000 (1450)

Over 0.125 (3.18) to 0.140 (3.56)

170,000 (1170)

200,000 (1380)

Over 0.140 (3.56) to 0.187 (4.75)

160,000 (1100)

190,000 (1310)

Over 0.187 (4.75) to 0.250 (6.35)

150,000 (1035)

180,000 (1240)

Over 0.250 (6.35) to 0.312 (7.92)

135,000 (930)

165,000 (1135)

Over 0.312 (7.92) to 0.375 (9.53)

125,000 (860)

155,000 (1070)



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