英国WA CHROMECORE 414Wrapper-S埋弧焊丝
CHROMECORE 414Wrapper-S
EN 14700 T Fe7
• Tubular wire for submerged arc cladding of steel mill rolls
• Weld deposit gives high hardness and wear resistance at elevated temperature with excellent thermal fatigue resistance
• Chromecore 414Wrapper-S has been developed specifically for hardfacing or refurbishing of Wrapper rolls in hot strip mills, a weld metal that increases in hardness combined with maximum resistance to wear by corrosion, fire cracking and pick up.
• Chromecore 414Wrapper-S is most suitable for hardfacing of Wrapper rolls in hot strip mills.
TYPICAL ALL-WELD METAL MECHANICAL PROPERTIES
Typical hardness after heat treatment: 50 - 54 HRc
Current typeShielding
DC (+) or DC (-)
|
WAF 325
|
FLUX DESCRTPTIONWAF 325
Classification
|
EN 760: S A FB 1 65 DC H5
|
Basicity index
|
2.3 (according to Boniszewski)
|
Granulometry
|
0.25 - 2.5 mm
|
Current
|
DC by preference
|
Redrying
|
2 hours at 300°C - 350°C
|
Packaging
|
bags (25 kg) or metallic drums (200 kg)
|
DiameterAmperage [A]Voltage [V]Stick-out [mm]
[mm]RangeOptimumRangeOptimumRangeOptimum
2.4
|
200 - 450
|
350
|
28 - 32
|
30
|
25 - 50
|
30
|
2.8
|
250 - 500
|
400
|
28 - 32
|
30
|
25 - 50
|
30
|
3.2
|
300 - 600
|
500
|
28 - 32
|
30
|
25 - 50
|
30
|
Recovery: > 95 %
Flat