表182碳素弹簧钢丝的抗拉强度极限 钢丝直径d/mm 组别 0.20.30.50.81.01.21.62.02.53.03.54.04.55.06.08.0 2 0 2 70 0 265 0220020001800170016501600150015001450 、Ia2250225022002150205019501850180016501650155015001400140013501250组 别 I II、IIa III 钢丝直径 d/ mm 0.2 0.3 0.5 0.8 1.0 1.2 1.6 2.0 2.5 3.0 3.5 4.0 4.5 5.0 6.0 8.0 2700 2700 2650 2600 2500 2400 2200 2000 1800 1700 1650 1600 1500 1500 1450 --- 2250 2250 2200 2150 2050 1950 1850 1800 1650 1650 1550 1500 1400 1400 1350 1250 1750 1750 1700 2170 1650 1550 1450 1400 1300 1300 1200 1150 1150 1100 1350 1250 表18—2 碳素弹簧钢丝的抗拉强度极限