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CEWELD® E 9015-B9 is a basic coated electrode for modified 9Cr-1Mo steels. The weld metal of type 9Cr-1Mo-VNb is characterised by a martensitic structure and is suitable for tempered applications. Applications include joint welding of similar heat resistant steels and cast steels in turbine and power plant construction and in the chemical industry.
CEWELD® E 9015-B9 is a basic coated electrode for modified 9Cr-1Mo steels. The weld metal of type 9Cr-1Mo-VNb is characterised by a martensitic structure and is suitable for tempered applications. Applications include joint welding of similar heat resistant steels and cast steels in turbine and power plant construction and in the chemical industry.
The weld metal of CEWELD® E 9015-B9 has a very low hydrogen content and is suitable for application temperatures up to max. 650°C in the long term range.
Preheat and interpass 250 - 350°C, then a tempering of 750°C / >2h.
It can be short arc welded in all positions, vertical down.
P91: 9%Cr-1% Mo ISO 15608: ~5,4 C ≤ 0,35 %, 7,0 % ≤ Cr < 10,0 % und 0,7 < Mo ≤ 1,2 %
1.7386, 1.7688, 1.7389, 1.4903, 1.4955
X12CrMo 9 1, GX12CrMo 10 1, X11CrMo9-1, X7CrMo9-1, X10CrMoVNb9-1, GX12CrMoVNbN9-1
ASTM: Grade 91, T91, P91, F91, FP91, A182/A336 grade F91, A213 grade T91, A217 grade C12A, A234 grade WP91, A387 grade 91, A335 grade P91
STPA28, STBA28
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| RT | |||||
| 760°C±15°C 2h | 560 | 750 | 18 | 60 | HRc |
