Sandvik 28.34.HTB (Covered electrodes)
Datasheet updated 2012-08-03 09:06:53 (supersedes all previous editions)
Sandvik 28.34.HTB is covered electrode with basic coating for welding stainless, heat resistant steels. It gives a chromium/nickel weld metal. There is little spatter and very good slag removal.
Applications
Sandvik 28.34.HTB is suitable for joining the high-temperature steels Sandvik 353 MA* and Avesta 353 MA*, UNS S35315.
Chemical composition - all-weld metal
The following data is valid for non heat treated all-weld metal.
|
C
|
Si
|
Mn
|
Cr
|
Ni
|
N
|
RE
|
|---|---|---|---|---|---|---|
|
0.07
|
0.7
|
1.3
|
28
|
35
|
0.04
|
*)
|
*) Rare earth metals (lanthanides)
Microstructure - all-weld metal
Austenitic matrix.
Marking
| Marking at grip end |
Sandvik 28.34.HTB
|
|---|
Recommended welding data
|
Diameter, mm
|
2.5
|
3.25
|
4.0
|
|---|---|---|---|
|
Current, A
|
45-70
|
70-110
|
100-140
|
|
Arc voltage, V
|
23-28
|
23-28
|
23-28
|
Redrying electrodes when necessary: 250 oC/2h
* 353MA is a trademark owned by Outokumpu OY.
Disclaimer: Recommendations are for guidance only, and the suitability of a material for a specific application can be confirmed only when we know the actual service conditions. Continuous development may necessitate changes in technical data without notice. This datasheet is only valid for Sandvik materials.
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