性能参数合金状态热处理拉力强度kg/mm2降伏强度kg/mm2延伸百分比HRBHRC导电率%IACSC17200A320°2小时42-6014-2935-60B45-8515-19AT116-13491-1243-10C36-4222-28C17000A320°2小时42-6014-2935-60B45-8515-19AT105-12787-1094-10C32-3922-28C17510C17500A480°3小时24-3914-2920-35B20-5020-35AT70-8556-7110-25B92-10045-60注T表示已时效强化)