MOST EL-Co 21

Description

Description

Cobalt-based padding weld resistant to extreme metal-to-metal abrasive wear and pressure up to 950°C.
Hardness achievable after impact-hardening.
Application: tools for both hot and cold forging and shaping, parts of gas turbines, etc.

Classification

DIN 8555: MF 20-350-CKTZ
AWS A5.13-70: RCoCr-E
DIN EN 14700:
TCo 1-350-CKTZ

Features

Hardness:
32-38 HRC (20°C)
38-40 HRC (600°C)
42-45 HRC (after cold work)

Chemical composition [%]

C=2,5; Si=1,0;
Ni=2,5;
Fe=max 3,0;
Mo=5,5; Cr=27,0;
Co=rest;

Diameter 

Rods diameter:
2,5 mm
3,2 mm
4,0 mm
5,0 mm
Wires diameter:
1,2 mm
1,6 mm



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