序号 | 合金类型 | 牌号 | 化学成份(质量分数,%) | 焊层硬度HRC | 使用条件 | |||||||||||
C | Cr | Ni | B | Si | Mo | Mn | V | W | Nb | Co | Fe | |||||
1 | 镍基 | PT1101 | 0.9~1.2 | 21~24 | 余 | — | 2.5~4.0 | — | — | — | 4.5~8.5 | — | — | ≤3.0 | 40~45 | Ⅰ |
2 | PT1102 | 1.2~1.6 | 22~26 | 余 | — | 2.5~4.0 | — | — | — | 5.0~7.0 | — | — | ≤3.0 | 44~50 | Ⅰ | |
3 | 钴基 | PT2101 | 0.5~1.0 | 24~28 | — | 0.5~1.0 | 1.0~3.0 | — | — | — | 4.0~6.0 | — | 余 | ≤5.0 | 40~45 | Ⅰ |
4 | PT2102 | 0.7~1.4 | 26~32 | ≤3.0 | 1.2~1.8 | 1.0~2.0 | — | — | — | 4.0~6.0 | — | 余 | ≤3.0 | 40~50 | Ⅰ | |
5 | PT2103 | 0.5~1.0 | 19.0~30.0 | — | 1.5~2.0 | 1.0~3.0 | — | — | — | 7.0~9.0 | — | 余 | ≤3.0 | 45~50 | Ⅰ | |
6 | PT2104 | 0.9~1.4 | 26.5~30.0 | ≤3.0 | — | 0.7~1.5 | ≤1.0 | ≤1.0 | — | 3.5~5.5 | — | 余 | ≤3.0 | 34~42 | Ⅰ | |
7 | PT2105 | 1.25~1.55 | 28.0~31.0 | ≤3.0 | — | 1.2~1.7 | ≤1.0 | ≤1.0 | — | 7.25~9.25 | — | 余 | ≤3.0 | 38~46 | Ⅰ | |
8 | 铁基 | PT3101 | 0.10~0.20 | 17~19 | 7.0~9.0 | 2.0~2.5 | 2.5~3.5 | 0.8~1.2 | 1.0~1.5 | 0.4~0.6 | — | — | — | 余 | 41~46 | Ⅲ |
9 | PT3102 | 0.10~0.20 | 17~19 | 10~12 | 2.0~2.5 | 2.5~3.5 | 0.8~1.2 | 1.0~1.5 | 0.4~0.6 | — | — | — | 余 | 35~40 | Ⅲ | |
10 | PT3103 | ≤0.1 | 19~21 | 12~14 | 1~2 | 2.5~3.5 | — | — | — | — | — | — | 余 | 29~35 | Ⅲ | |
11 | PT3104 | ≤0.1 | 17~19 | 8~10 | 1.5~2.5 | 1.5~2.5 | 1~1.5 | — | — | 0.5~1.5 | — | — | 余 | 36~41 | Ⅲ | |
12 | PT3105 | ≤0.06 | 18~20 | 23~25 | 1~2 | 2~3 | 18~21 | — | — | — | — | — | 余 | 36~42 | Ⅰ | |
13 | PT3106 | ≤0.2 | 17~19 | — | 1.5~2.0 | 2.0~3.0 | 1.5~2.5 | 12~14 | — | — | — | — | 余 | 38~45 | Ⅲ | |
14 | PT3107 | 0.1~0.2 | 18~21 | 10~13 | 1.3~2.5 | 3.5~4.5 | 3.5~4.5 | 1~2 | 0.5~1.0 | 0.6~2 | 0.2~0.7 | — | 余 | 37~45 | Ⅱ | |
15 | PT3108 | ≤0.15 | 12.5~14.5 | — | 1.3~1.8 | 0.5~1.5 | 0.5~1.0 | — | — | — | — | — | 余 | 40~50 | Ⅲ | |
16 | PT3109 | ≤0.15 | 21~25 | 12~15 | 1.5~2.0 | 4.0~5.0 | 2.0~3.0 | — | — | 2.0~3.0 | — | — | 余 | 36~45 | Ⅲ | |
注1:Ⅰ-用于低于700℃的高温高压蒸汽低合金钢、不锈钢阀门密封面堆焊,也适用于某些腐蚀介质的阀门密封面堆焊。 Ⅱ- 用于低于600℃的高温高压蒸汽低合金钢阀门密封面堆焊。 Ⅲ-用于低于450℃的水、汽、油等弱腐蚀介质的碳素钢阀门密封面堆焊。 注:选择PT3101、PT3102用于闸阀时,推荐PT3101用于闸板堆焊,PT3102用于阀座堆焊;选择PT3103、PT3104用于闸阀时,推荐PT3103用于堆焊阀 座、PT3104用于堆焊闸阀板;选择PT3108、PT3109用于闸阀时,推荐PT3108用于堆焊闸板、PT3109用于堆焊阀座。 |
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