GOST R 71991
GOST R 71991 (Steel welded pipes, produced by submerged arc welding for lower temperatures. Technical specifications)· GOST (俄罗斯) · 14 种材料
| 名称 | 材料组别 | |
|---|---|---|
| CA 55 | 结构钢 | chevron_right |
| CB 60 | 结构钢 | chevron_right |
| CB 65 | 结构钢 | chevron_right |
| CB 70 | 结构钢 | chevron_right |
| CC 60 | 结构钢 | chevron_right |
| CC 65 | 结构钢 | chevron_right |
| CC 70 | 结构钢 | chevron_right |
| CD 70 | 结构钢 | chevron_right |
| CD 80 | 结构钢 | chevron_right |
| CFA 65 | 结构钢 | chevron_right |
| CFB 70 | 结构钢 | chevron_right |
| CFD 65 | 结构钢 | chevron_right |
| CFE 70 | 结构钢 | chevron_right |
| CG 100 | 结构钢 | chevron_right |