S690QLS690QL1S890QS890QLS890QLS890QL1S960QS960QS960QL机械特征品牌Digitalri A [％]符号强度伸展强度影响KV [J] RM [MPA]≥3>10≥3>10≥°C°C°C°C-40°C-40°C-40°C-40°C-60BOUT