JIS Z3251 DF2A-450-B
Notes on Usage
Welding Positions:
1. Preheat at 150℃(302℉) or more than that in general.
2. In case of multi-layer build-up welding, underlay with low hydrogen
type carbon steel electrodes.
3. Pay attention to blow hole at the arc starting.
4. Dry the electrodes at 350~400℃(662~752℉) for 60 minutes before
use.
Applications
JIS Z3251 DF2A-450-B For intermetallic abrasion and light soil abrasion.Hardfacing of idlers, rollers, bulldozer blades, sprockets, caterpillar links, Crushers, dipper teeth and conveyors.
Characteristics on Usage
The deposited metal of JIS Z3251 DF2A-450-B has the mixed metal structure of
austenite and martensite and it has a high grade or hardness and
machining is a little bit difficult.
Mechanical Properties
& Chemical Compositions of all-Weld Metal
