IDENTIFICATION
Getig 90SD2, ER 90SD2
CLASSIFICATIONV
AWS/SFA 5.28: ER 90S-D2
DESCRIPTION
Copper coated solid wires alloyed with manganese & molybdenum for improved properties. Deposited weld metal has excellent creep resistance properties up to 500°C.
CHEMICAL ANALYSIS (RANGE) %
| C | Mn | Si | S | P | Ni | Mo | Cu |
| 0.07 - 0.12 | 1.60 - 2.10 | 0.5 - 0.80 | 0.025 max | 0.025 max | 0.15 max | 0.40 - 0.60 | 0.35 max |
MECHANICAL PROPERTIES (RANGE) (PWHT 620 ±15OC/2 HRS.)
| UTS (MPa) | YS (MPa) | EL (%) (L=4D) |
| 630 min | 550 min | 17 min |
TYPICAL APPLICATIONS
• In general usable on the following grades of creep resistant steels.
• DIN 15 Mo3, GS-22Mo4, 19Mn6, ASTM A3 36 Gr F1, ASTM A 335Gr P1, ASTM A185 Gr F1 etc.
• For welding AISI 4130 steel / forgings.
SHIELDING GAS : 99.99 % Argon, 7-12 l/min, and back purge PREHEAT AND INTERPASS TEMPERATURE : 135 - 165°C WELDING CURRENT : DC (-)
PWHT :
The PWHT requirements will depend on a number of factors including, base material, property requirements, and need to conform to NACE etc. Temperatures will normally be about 620°C.
PACKING PARAMETERS
| Size (mm) | Length (mm) | Packing / Pkt (kg) | Packing / Box (kg) |
| 1.6 | 1000 | 5 | 5 X 4 = 20 |
| 2 | 1000 | 5 | 5 X 4 = 20 |
| 2.40 / 2.50 | 1000 | 5 | 5 X 4 = 20 |
| 3.15 / 3.20 | 1000 | 5 | 5 X 4 = 20 |