IDENTIFICATION
GRITINOX 308 HN
DESCRIPTION
A Rutile flux coated electrode designed for welding stainless steel type Outokumpo 253 MA or equivalent. Operability is excellent with a low spatter arc, producing a smooth weld bead surface and self-releasing slag. The deposited weld metal is of X-ray quality.
WELD METAL ANALYSIS (RANGE) %
| C | Mn | Si | Cr | Ni | N | Cu | Mo | S | P |
| 0.05 -0.08 | 0.6 - 1.0 | 1.20 - 1.60 | 21 - 23 | 10-Nov | 0.14 - 0.20 | 0.75 max | 0.75 max | 0.03 max | 0.04 max |
MECHANICAL PROPERTIES (RANGE)
| TS (MPa) | YS (MPa) | EL (%) (L=4D) | CVN Impact Value | |
| Temp | Joules | |||
| 640 - 860 | 500 - 600 | 35 - 45 | +20°C | 60 - 100 |
TYPICAL APPLICATIONS
For welding high temperature stainless steel, type Outokumpo 253 MA and equivalent ASTM SS 2368, 2362. The weld metal has about 8FN Ferrite which gives high resistance to cracking.
CORROSION RESISTANCE
Excellent resistance to high temperature corrosion.
MICROSTRUCTURE : Austenite with 3 to 10% Ferrite.
REDRYING : 300°C / 2 hrs, max 5 cycles, 10 hr. total.
WELDING POSITION :
PACKING PARAMETERS
| Size (mm) | Length (mm) | AMPS AC / DC (+) | Packing / Box (kg) | Packing / Box (Pcs) |
| 2.5 | 350 | 50 - 75 | 2 x 5 = 10 | 94 x 5 = 470 |
| 3.15 / 3.20 | 350 | 80 - 120 | 2 x 5 = 10 | 60 x 5 = 300 |
| 4 | 350 | 100 - 160 | 2 x 5 = 10 | 38 x 5 = 190 |
| 5 | 350 | 130 - 210 | 2 x 5 = 10 | 24 x 5 = 120 |