|
D638高鉻鑄鐵碳化鎢堆焊條
|
牌號\化學成分
|
C
|
Mn
|
Si
|
Cr
|
Mo
|
W
|
V
|
Nb
|
HRC
|
|
D608
|
2.5-4.50
|
|
|
3.0-5.0
|
3.0-5.0
|
|
|
|
≥55
|
|
D618
|
≤3.0
|
|
|
15.0-20.0
|
1.0-2.0
|
10.0-20.0
|
≤1.00
|
|
≥58
|
|
D628
|
|
|
|
20.0-35.0
|
4.0-6.0
|
|
≤1.00
|
|
≥60
|
|
D632A
|
|
|
|
25.0-40.0
|
|
|
|
|
≥56
|
|
D638
|
|
|
|
25.0-40.0
|
|
|
|
|
≥60
|
|
D638Nb
|
|
|
|
20.0-35.0
|
|
|
|
4.0-8.50
|
≥60
|
|
D642
|
|
≤1.5
|
|
22.0-32.0
|
|
|
|
|
≥45
|
|
D646
|
|
≤1.0
|
|
22.0-32.0
|
|
|
|
|
≥45
|
|
D656
|
|
≤1.5
|
≤2.5
|
26.0-34.0
|
2.0-3.0
|
|
|
|
≥45
|
|
D658
|
|
|
|
20.0-35.0
|
4.0-9.50
|
2.50-7.50
|
0.50-2.50
|
4.0-8.50
|
≥60
|
|
D667
|
|
≤8.0
|
1.0-4.8
|
25.0-32.0
|
|
|
|
Ni 3-5
|
≥48
|
|
D678
|
|
|
|
|
|
8.0-10.0
|
|
|
≥50
|
|
D687
|
|
1.5-3.5
|
≤3.0
|
22.0-32.0
|
|
|
|
B 0.5-2.5
|
≥58
|
|
D698
|
≤3.0
|
|
|
4.0-6.0
|
|
8.5-14.0
|
|
|
≥60
|
|
牌號\化學成分
|
C
|
Mn
|
Si
|
Cr
|
Mo
|
W
|
V
|
Nb
|
HRC
|
|
D608
|
2.5-4.50
|
|
|
3.0-5.0
|
3.0-5.0
|
|
|
|
≥55
|
|
D618
|
≤3.0
|
|
|
15.0-20.0
|
1.0-2.0
|
10.0-20.0
|
≤1.00
|
|
≥58
|
|
D628
|
|
|
|
20.0-35.0
|
4.0-6.0
|
|
≤1.00
|
|
≥60
|
|
D632A
|
|
|
|
25.0-40.0
|
|
|
|
|
≥56
|
|
D638
|
|
|
|
25.0-40.0
|
|
|
|
|
≥60
|
|
D638Nb
|
|
|
|
20.0-35.0
|
|
|
|
4.0-8.50
|
≥60
|
|
D642
|
|
≤1.5
|
|
22.0-32.0
|
|
|
|
|
≥45
|
|
D646
|
|
≤1.0
|
|
22.0-32.0
|
|
|
|
|
≥45
|
|
D656
|
|
≤1.5
|
≤2.5
|
26.0-34.0
|
2.0-3.0
|
|
|
|
≥45
|
|
D658
|
|
|
|
20.0-35.0
|
4.0-9.50
|
2.50-7.50
|
0.50-2.50
|
4.0-8.50
|
≥60
|
|
D667
|
|
≤8.0
|
1.0-4.8
|
25.0-32.0
|
|
|
|
Ni 3-5
|
≥48
|
|
D678
|
|
|
|
|
|
8.0-10.0
|
|
|
≥50
|
|
D687
|
|
1.5-3.5
|
≤3.0
|
22.0-32.0
|
|
|
|
B 0.5-2.5
|
≥58
|
|
D698
|
≤3.0
|
|
|
4.0-6.0
|
|
8.5-14.0
|
|
|
≥60
|
|
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