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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
Toepassingen
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.
Toepassingen
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.
Eigenschappen
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.
Classificatie
AWS
A 5.28: ER 90S-B91
EN ISO
21952-A: W CrMo91
F-nr
6
FM
3
W.Nr.
1.4903
Geschikt voor
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
Goedkeuringen
CE
Lasposities
Gas acc. EN ISO 14175
I1
Mechanische waarden
| 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 |
