Material Material of spring wire for metric Allowable Density Wire G limit ρ type [MPA] torsion [kg.m stress A 3 ] τ Draw patented from 80 ult σ carbon steel Heat treated from 78 ult σ carbon steel Heat treated or annealed from alloy 7.85 10 steel 78 ult σ 3 14260 and 15260 Hardened by drawing from 68 ult σ stainless austenitic steel 17242
Material Material of spring wire for metric Wire type G [MPA] Allowable limit torsion stress τ A Density ρ [kg.m 3 ] Draw patented from carbon steel 80 σ ult 7.85 10 3 Heat treated from carbon steel 78 σ ult Heat treated or annealed from alloy steel 14260 and 15260 78 σ ult Hardened by drawing from stainless austenitic steel 17242 68 σ ult
Spring-generator-Tension.docx