A779/A779M
A779/A779M (预应力混凝土用压实无涂层七线钢绞线)· ASTM (美国) · 6 种材料
| 名称 | 材料组别 | |
|---|---|---|
| A 779 Grade 1700 | 结构钢 | chevron_right |
| A 779 Grade 1800 | 结构钢 | chevron_right |
| A 779 Grade 1860 | 结构钢 | chevron_right |
| A 779 Grade 245 | 结构钢 | chevron_right |
| A 779 Grade 260 | 结构钢 | chevron_right |
| A 779 Grade 270 | 结构钢 | chevron_right |