IDENTIFICATION
GM 308, ER 308
CLASSIFICATION
AWS/SFA 5.9 ER308
BS 2901-90 308 S92 DIN 8556-86 WSGX2 CrNi199
DESCRIPTION
A solid, smooth wire primarily intended for welding the low carbon, 18% Cr, 10% Ni, type 304, austenitic stainless steels. Deposited weld metal has improved resistance to general corrosion. The deposited weld metal is of radiographic quality.
CHEMICAL ANALYSIS (RANGE) %
| C | Mn | Si | Cr | Ni | Cu | Mo | S | P |
| 0.080 max | 1.0 - 2.5 | 0.30 - 0.65 | 19.50 - 22.0 | 9.0 - 11.0 | 0.50 max | 0.50 max | 0.025 max | 0.030 max |
MECHANICAL PROPERTIES (RANGE)
| TS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | ||
| 550 min | 30 min | 20°C | 100 - 140 |
| -100°C | 40 - 80 | ||
TYPICAL APPLICATIONS
CORROSION RESISTANCE:
Good resistance to general and intergranular corrosion oxidizing acids. Good resistance to chlorise pitting corrosion.
FERRITE : Ferrite no. of undiluted weld metal is in the range 3 to 10.
WELDING CURRENT : DC (-)
SHIELDING GAS : Ar + 2 % O2 , 16 - 21 l/min
PACKING PARAMETERS
| Size (mm) | Weight / Spool (kg) |
| 0.8 | 12.5 |
| 1 | 12.5 |
| 1.2 | 12.5 |
| 1.6 | 12.5 |