CEWELD


SPA 68T Metal spray wires




SPA 68T

 
CATEGORY 
TYPE 
High-alloyed tubular wire on a C-Cr-B- carbide basis for extreme hard and heat resistant deposits on parts subject to severe mineral abrasion.
APPLICATIONS 
Cement industry, sand winning, mining, agriculture, steel mills etc.
PROPERTIES 

High wear resistance with ledeburitic structure as by C-Cr-B. Carbide deposits. The deposit gives a extreme high hardness, all spray metal requires no buffer layer except on materials considered critical. In this  Situation Ceweld SP NiAl is recommended. Suited for wear parts subject to extreme heavy abrasion and corrosion. Due to the high chromium content this alloy offers high heat resistance as well. The spray deposit is only machinable by grinding.
 

CLASSIFICATION
AWS 
A 5.21: EFeCr-A1
EN ISO 
14700: TFE-14
DIN 
8555: MF 10-GF-70-GTRZ
SUITABLE FOR 

High-alloyed tubular wire for metal spray on a C-Cr-B- carbide basis for extreme hard and heat resistant deposits on parts subject to severe mineral abrasion. Applications: Cement industry, pumps, mixer blades, fans, sleeves, mixers, shear blades etc.

WELDING POSITIONS: 
WELD METAL ANALYSIS %

C

Mn

Si

Cr

B

         

5.0

0.8

0.8

38

2.0

         
MECHANICAL PROPERTIES

Heat

RP0,2

Rm

A5

Impact Energy (J) ISO-V

Hardness

Treatment

(N/mm2)

(N/mm2)

(%)

-20°C

-40°C

-60°C

HRc

as sprayed

           

62-68

               
Hardness fully depend on the spray parameters
REDRYING TEMPERATURE 
150`C / 24hr
WELDING PARAMETERS PACKING

Welding Parameters

Packing

D (mm)

Voltage (V)

Current (A)

Distance

Air pressure

kg / spool

1.6

32

100-200

15-22 cm

60 psi

15 / K-300

2.4

34

150-280

16-24 cm

60 psi

15 / K-300

3.2

36

220-400

18-26 cm

60 psi

25 / K-415

NOTE
Other spool types and dimensions are also available







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