Application/properties:
Metal cored wire for chromium molybdenum steels. The weld metal has resistant to creep. This wire is suitable for welding in all position and root pass with back penetration.
Gas | C | Mn | Si | Cr | Mo |
---|---|---|---|---|---|
M21 | 0.04 | 0.7 | 0.6 | 1.25 | 0.5 |
Shielding gas: DIN EN 439 M 21 (15-25% CO2, Balance Ar)
(Single values are typical values)
Yield 0.2% Strength ( N/mm 2 ) | Tensile Strength ( N/mm 2 ) | Elongation Lo = 5d% | Impact energy (J) ISO -V 0°C -20°C | Heat Treatment |
---|---|---|---|---|
480 | 580 | 23 | 90 60 | SR |
SR: Heat treatment at 700°C for 1 hour. The heating and cooling speed is 50°C/h
Sheet metal work, petroleum chemistry, chemistry, incinerators, heat exchangers
Delivery: coil in diameter: 1.2 , 1.6 mm & weight 15 kg
Note : other weight & sizes are produced upon customers request