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Type
Medium alloyed, high-strength creep resistant 9% Cromium alloy.
classification
AWS
A 5.28: ER 90S-B91
EN ISO
21952-A: W CrMo91
W.Nr.
1.4903
Anwendungen
Designed for welding equivalent type 91~ 9% Cr Steels modified with small aditions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy
is specialy intended for high integrity structural service at elevated temperature such as: Headers, main steam piping and turbine casings, gasification plants etc.
Type
Medium alloyed, high-strength creep resistant 9% Cromium alloy.
Anwendungen
Designed for welding equivalent type 91~ 9% Cr Steels modified with small aditions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy
is specialy intended for high integrity structural service at elevated temperature such as: Headers, main steam piping and turbine casings, gasification plants etc.
Eigenschaften
Filler metal specifically intended for high integrity structural service at elevated temperature so the minor alloy additions responsible for its creep strenghth are kept above the minimum considered necessary to ensure satifactory performance.
Klassifikation
AWS
A 5.28: ER 90S-B91
EN ISO
21952-A: W CrMo91
F-nr
6
FM
3
W.Nr.
1.4903
Geeignet für
For matching P91, 9%Cr1%Mo modified, creep resisting martensitic steels
A 213 T91, A335 P91, A387 Gr91, A 182/A336 F91, X10CrMoVNb9-1, 1503 Gr91, AFNOR NF A-49213/A-49219 Gr TU Z 10, CDVNb 09-01
Zulassungen
CE
Schweißpositionen
Gas acc. EN ISO 14175
I1
Mechanische Gütewerte
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| RT | |||||
| 730°C- 760°C 3h | 520 | 750 | 19 | 200 | HRc |
