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Type
Medium alloyed, high-strength creep resistant 9% Chromium alloy.
classification
AWS
A 5.23: EB91
EN ISO
24598-A: S CrMo91
W.Nr.
1.4903
Anwendungen
Designed for welding equivalent type 91~ 9% Cr Steels modified with small additions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy
is specially 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% Chromium alloy.
Anwendungen
Designed for welding equivalent type 91~ 9% Cr Steels modified with small additions of Niobium, Vanadium and Nitrogen to offer improved long term creep properties. This alloy
is specially intended for high integrity structural service at elevated temperature such as: Headers, main steam piping and turbine casings, gasification plants etc.
Eigenschaften
Sub arc filler metal specifically intended for high integrity structural service at elevated temperature so the minor alloy additions responsible for its creep strength are kept above the minimum considered necessary to ensure satisfactory performance. SA 90S-B9 is best to be used with FL 880 high basic agglomerated flux to obtain optimum creep properties.
Klassifikation
AWS
A 5.23: EB91
EN ISO
24598-A: S CrMo91
F-nr
6
FM
4
W.Nr.
1.4903
Geeignet für
A 213 T91 (seamless tubes), A 335 P91 (seamless tubes), A 387 Gr91 (plates), A 182 / A336 F91 (forgings), X10CrMoVNb 91, 1503 Gr91, AFNOR NF A-49213/A-49219 Gr TU Z 10, CDVNb 09-01
Zulassungen
CE
Schweißpositionen
Mechanische Gütewerte
| Heat Treatment |
RP0,2 (MPa) |
Rm (MPa) |
A5 (%) |
Impact Energy (J) ISO-V | Hardness |
|---|---|---|---|---|---|
| RT | |||||
| 730°C- 760°C 3h | 560 | 680 | 19 | 100 | HRc |
