Stoodite 21 是一种具有出色的高温强度和稳定性的低碳、钼加强型钴铬合金，常在热压模条件下使用。Stoodite 21 具有抗刮擦、耐空蚀和耐腐蚀特性，是广泛用于液流阀座的敷焊合金。 美国焊接协会 (AWS) 规范认证 - A5.21 ERCoCr-E 裸焊条、A5.13 ECoCr-E 涂料焊条。
Typical Tensile Properties
| Hardness (HRC) |
| 40-45 HRC |
焊缝金属分析
| Mn | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| 0.5 % | - | - | - | - | - | - | - | - |
| Mo | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | 5.2 % | - | - | - | - | - | - | - |
| C | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | 0.2 % | - | - | - | - | - | - |
| Si | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | 0.7 % | - | - | - | - | - |
| W | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | - | 0.1 % | - | - | - | - |
| Ni | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | - | - | 2.5 % | - | - | - |
| Co | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | - | - | - | BAL % | - | - |
| Cr | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | - | - | - | - | 27.9 % | - |
| Fe | ||||||||
| Mn | Mo | C | Si | W | Ni | Co | Cr | Fe |
| - | - | - | - | - | - | - | - | 3.4 % |
熔敷数据
| Deposition Type | 安培 | 电压 V | 直径 |
| Full Range | 90-120 A | 20-40 V | 1/8 in. |
| Full Range | 120-140 A | 20-40 V | 4.0 mm |
| Full Range | 140-160 A | 20-40 V | 3/16 in. |
| Full Range | 160-180 A | 20-40 V | 1/4 in. |