详细介绍: 阀门用堆焊焊条 阀门用堆焊焊条有半铁素体高铬钢和铬镍硅钼两大类,主要用于工作温度低于600℃的高压阀门的密封面堆焊。
牌号\化学成分 |
C |
Cr |
Ni |
Mo |
Nb |
Mn |
Si |
W |
其它 |
硬度 |
D502 |
≤0.15 |
10-16 |
|
|
|
|
|
|
≤2.50 |
≥40 |
D507 |
≤0.15 |
10-16 |
|
|
|
|
|
|
≤2.50 |
≥40 |
D507Mo |
≤0.20 |
10-16 |
≤6.0 |
≤2.50 |
|
|
|
≤2.0 |
≤2.50 |
≥37 |
D507MoNb |
≤0.15 |
10-16 |
|
≤2.50 |
≤0.50 |
|
|
|
≤2.50 |
≥37 |
D512 |
≤0.25 |
10-16 |
|
|
|
|
|
|
≤5.0 |
≥45 |
D516 |
≤0.25 |
12-14 |
|
|
|
6.0-8.0 |
≤1.0 |
|
|
≥38 |
D517 |
≤0.25 |
10-16 |
|
|
|
|
|
|
≤5.0 |
≥45 |
D547 |
≤0.18 |
15-18 |
7.0-9.0 |
|
|
0.6-2.0 |
4.8-6.4 |
|
|
270-320 HB |
D547Mo |
≤0.18 |
14-21 |
6.5-12 |
3.5-7.0 |
0.5-1.2 |
0.6-5.0 |
3.8-6.5 |
|
≤2.50 |
≥37 |
D557 |
≤0.20 |
18-20 |
7.0-1.0 |
|
|
2.0-3.0 |
5.0-7.0 |
|
|
≥37 |
D577 |
≤1.10 |
12-18 |
≤6.0 |
≤4.0 |
|
12-18 |
≤2.0 |
|
≤3.0 |
≥28 |
D582 |
≤0.10 |
≥18.0 |
≥18.0 |
| |