(Part A) Machinerys Handbook 31st Edition Pages 1-1484

Machinery's Handbook, 31st Edition

312

Stresses in Springs

160 150 140 130 120 110 100

Corrosion-resisting Steel Wire QQ-W-423, ASTM A313

Light service

Average service

Severe service

90 80 70

Wire Diameter (inch)

Fig. 5. Allowable Working Stresses for Compression Springs—Corrosion-Resisting Steel Wire a

190 180 170 160 150 140 130 120 110 100

Chrome-vanadium Alloy Steel Wire, ASTM A231

Light service

Average service

Severe service

90 80

Wire Diameter (inch)

Fig. 6. Allowable Working Stresses for Compression Springs—Chrome-Vanadium Alloy Steel Wire a

270 260 250 240 230 220 210 200 190 180 170 160 150 140 130 120

Music Wire, ASTM A228

Light service

Average service

Severe service

Wire Diameter (inch)

Fig. 7. Recommended Design Stresses in Bending for Helical Torsion Springs—Round Music Wire

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