国外阀门材料常用技术标准 球墨铸铁件、特殊用途的拉伸性能
| 
 牌号 60-42-10  | 
 牌号 70-50-05  | 
 牌号 80-60-03  | 
|
| 抗拉强度,psi,≥ | 60000 | 70000 | 80000 | 
| 抗拉强度,Mpa,≥ | 415 | 485 | 555 | 
| 屈服强度,psi,≥ | 42000 | 50000 | 60000 | 
| 屈服强度,Mpa,≥ | 290 | 345 | 415 | 
| 
 2 in或50mm标距的 延伸率,%,≥  | 
10 | 5 | 3 | 
This region has not yet joined our new website. You will now continue to the existing site for 开云手机登录界面-开云(中国)