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CHROMECORE 414Wrapper-S

CLASSIFICATION

EN 14700 T Fe7

DESCRIPTION

• 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

APPLICATIONS

• 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

CONDITIONS OF USE Current typeShielding

DC (+) or DC (-)	WAF 325

FLUX DESCRIPTIONWAF 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)

OPERATING CONDITIONS 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 %

WELDING POSITIONS

Flat

STANDARD DIAMETERS (mm)

2.4, 2.8, 3.2
Other diameters: please consult us