ER90S-B3
Low Alloy Steel • AWS ER90S-B3
KEY FEATURES
Developed for 2 1⁄4 Cr-1Mo creep resisting steels
Design for high strength and improved hardness to resist metal-to-metal wear
WELDING POSITIONS
All
SHIELDING GAS
95% Argon / 5% CO2
DIAMETERS / PACKAGING
1.2 (.045)
MECHANICAL PROPERTIES (1) – As Required per AWS A5.28 Requirements
AWS ER90S-B3
Typical Performance (3)
As-Welded 540 (78) 655 (95)
DEPOSIT COMPOSITION (1) – As Required per AWS A5.28 Requirements
CONFORMANCES
AWS 5.28 ER90S-B3 BS EN ISO 21952-B 2C1M
TYPICAL APPLICATIONS
• Steam Generating Power Plant • Piping • Coal Liquefaction Plant • NH 3 Pressure Vessels
Diameter mm (in) |
15 kg (33.1 lb) Spool |
MER90SB3-12
23
1
280A
>95
- 220
0.02 max 0.015
Yield Strength (2) MPa (ksi)
Tensile Strength MPa (ksi)
Elongation %
Charpoy V-Notch J (ft·lbf)
Hardness HV
@-10°C (14°F)
540 (78) min
620 (90) min
17 min
-
AWS ER90S-B3
Typical Performance (3) Requirements
AWS ER90S-B3
Typical Performance (3)
2.4 <0.1
0.35 max 0.1
26V
%C
%Mn
%Si
%S
%P
0.07-0.12
0.40-0.70
0.40-0.70
0.02 max
0.1
0.5
0.5
0.01
%Cr
%Ni
%Mo
%Cu
2.3-2.7
0.20 max
0.9-1.2
TYPICAL OPERATING PROCEDURES
1.2 (0.045)
DC+
Diameter mm (in) |
Polarity |
Amperage |
Voltage |
(1) Typical all weld metal (2) Measured with 0.2% offset (3) See test results disclaimer (4) Perferred polarity is listed first.
This is Still brand-new in the box instead a sealed Foil package.