Cobalt based alloys welding wire SJ-3
is a low hydrogen type electrode, the deposited metal is pure austenite structure, cold hardening index is high, has the ability to withstand strong impact load.
Hardness of deposited metal:
Welded HV 180 - 200
HRC40-50 after work hardening
Electrode specification and reference current (DC+):
| Diameter(mm) |
3.2 |
4.0 |
5.0 |
| Length(mm) |
350 |
350 |
350 |
| Current(A) |
90-120 |
150-180 |
180-210 |
Notes:
1: before welding electrode must be 300 degrees bake for 1 hours
2: the welding should be on the part of the oil and other impurities clean
| Grade |
AWS A5.21 |
Chemical Composition |
Hardness(HRC) |
Usages |
| C |
Cr |
Ni |
Si |
W |
Fe |
Mn |
Mo |
Co |
| HS111 |
ERCoCr-A |
0.9-1.4 |
26-32 |
≤3 |
≤2.0 |
3-6 |
≤3 |
≤1 |
≤1 |
Bal |
40-46 |
Engine valve, high temperature and high pressure valve sealing surface, turbine blades |
| HS112 |
ERCoCr-B |
1.2-1.7 |
26-32 |
≤3 |
≤2.0 |
7-9.5 |
≤3 |
≤1 |
≤1 |
Bal |
44-50 |
High temperature and high pressure valve, cutting edge, sawtooth, screw push rod, etc. |
| HS121 |
ERCoCr-C |
2-3 |
26-33 |
≤3 |
≤2.0 |
11-14 |
≤3 |
≤1 |
≤1 |
Bal |
50-60 |
The rotary sealing ring, roller bearing sound barrel drill |
| HS114 |
ERCoCr-E |
0.15-0.45 |
25-30 |
1.5-4 |
≤1.5 |
≤0.5 |
≤3 |
≤1.5 |
4.5-7 |
Bal |
20-42 |
Fluid valve, valve seat, hydro turbine blade hot forging die, etc. |
FAQ:
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| A:Quality is the best in China. |
| Delivery |
| Q:How long your delivery time? |
| A:It depends on quantity.Usually,5-20working days. |
| Sample |
| Q:Can I get samples to check the quality? |
| A:Of course.We can supply sample,and free for some small value products. |
| OEM |
| Q:Do you provide OEM service? |
| A:Yes,we do.Customized design is available. |
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| A:CE,ISO9001,SGS,etc. |
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