E81 T5 B2
305m ama 305m


AMA 305M

AWS/ASME SFA-5.29: E81 T5 B2


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.

All weld metal analysis (typical value) %:

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)

Mechanical properties of all-weld metal:

(Single values are typical values)

Yield 0.2% Strength
( N/mm )
Tensile Strength
( N/mm )
Lo = 5d%
Impact energy (J)
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

Main application:

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