PRODUCT SPECIFICATION
Modi Lastek 251 E
Wear at elevated temperatures
GENERAL DESCRIPTION
-
Cobalt base hardfacing electrode for abrasion and
corrosion resisting surfacing.
-
Good resistance to high temperatures and to metal to
metal friction.
-
High hardness at elevated temperatures (up to 1000 °C
(1830 °F)).
- Returns to its original hardness upon cooling.
- Resistant to petroleum, plastic, rubber.
-
Also resistant to food, nitric acid (up to 70% at room
temperature), acetic acid, sulphuric acid (up to 60 °C
(140 °F) - 10% conc.).
APPLICATIONS
-
Knives, valve seats, rollers, extrusion screws for the
rubber and plastic industry, bearings, ... All
components subject to metal to metal friction.
- Hardness: 52 - 60 HRC.
- Hot hardness: 30 - 40 HRC @ 650 °C (1200 °F).