灰铸铁的疲劳性能

作者：bearingpower        发表时间：2010-12-12

灰铸铁的疲劳性能关键字： 牌号HT100HT150HT200HT250HT300HT350抗拉强度σb／MPa100150200250300350疲劳极限σ-1／MPa 疲劳比σ-1／σb 88~1080.44~0.5498~1270.39~0.51127~1670.42~0.56147~1960.42~0.56密烘铸铁牌号GF150GE200GE225GD250GC275GB300GA350GM400抗拉强度σb／MPa疲劳极限σ-1／MPa疲劳比σ-1／σb150700.47200900.452251000.442501100.442751250.453001400.473501600.464001900.48美国ASTM A48-2000牌号20253035405560抗拉强度σb／MPa疲劳极限σ-1／MPa疲劳比σ-1／σb138690.45172790.44207970.452411100.442761280.443791480.414141690.39