SA-437/SA-437M
SA-437/SA-437M (Specification for stainless and alloy-steel turbine-type bolting specially heat treated for high-temperature service)· ASME (美国) · 3 种材料
| 名称 | 替代名称 | 材料组别 | |
|---|---|---|---|
| SA-437 Grade B4B | 12Cr-1Mo-V-W | 不锈钢 | chevron_right |
| SA-437 Grade B4C | 12Cr-1Mo-V-W | 不锈钢 | chevron_right |
| SA-437 Grade B4D | 结构钢 | chevron_right |