Standards
TS EN ISO 21952-A : W CrMo 91 |
EN ISO 21952-A: W CrMo 91 |
AWS A5.28/(A5.9) : ER 90 S-B9 |
Chemical Composition of Welding Wire % (Typical)
C |
Si |
Mn |
Mo |
Cr |
V |
Ni |
Nb |
N |
0.09 |
0.25 |
0.6 |
0.95 |
9.0 |
0.2 |
0.65 |
0.06 |
0.05 |
Mechanical Properties
Yield Strength (N/mm2) |
Tensile Strength (N/mm2) |
Impact Strength (ISO-V/+20°C) |
Elongation ((Lo=5do) (%) |
Heat Treatment |
650 |
740 |
min. 60 J |
min. 18 |
745-775°C/2h/3000C air |
Typical Base Material Grades
• X10CrMoVNb 9-1, A213 Gr. T91, A 335 Gr. P91 (T31), A 139 GR. T91, %9-12 Cr martensitic
stainless steels.
Features and Applications
•IGUsweedldfoinrg of high heat resistance steels such as P91 / T91
•wPer plants, turbines, oil refineries, cool and gasification plants, boiler production, also used for the welding of steels with 9Cr 1Mo
•ldWmetal is resistant to working temperature up to 600°C
• Shielding gas (TIG): Pure Ar