| 详细介绍： 英国WA CHROMECORE 420M-S埋弧堆焊管状焊丝
CHROMECORE 420M-S
EN 14700 T Fe8
• Tubular wire for submerged arc hardfacing
• 13% chromium martensitic stainless steel deposit
• Attractive combination of corrosion, oxidation, scaling and wear resistance
Chromecore 420M-S is used for hardfacing and reclaiming components subject to moderate corrosion and metal-metal wear. The deposited alloy also has excellent gouging and abrasion resistant properties.
Examples
Extensively used as a cladding alloy on many types of steel industry rolling mill rolls such as table rolls, pinch rolls, scale breaker rolls, coiler rolls, leveller rolls and runout table rolls. Other applications include dragline rope sheaves, dragline rope drums, hydraulic plungers, certain types of valve seats, pulp rotors.
TYPICAL ALL-WELD METAL MECHANICAL PROPERTIES
Hardness – 3-layers deposit
As welded: 50 HRc
Current typeShielding
|
DC (+)
|
WAF 325
|
FLUX DESCRTPTIONWAF 325
|
Classification
|
EN 760: S A FB 1 65 DC H5
|
|
Redrying
|
2 hours at 250°C ± 50°C
|
|
Packaging
|
bags (25 kg)
|
DiameterAmperage [A]Voltage [V]Stick-out [mm]
[mm]RangeOptimumRangeOptimumRangeOptimum
|
2.4
|
200 - 450
|
350
|
26 - 32
|
30
|
25 - 50
|
30
|
|
2.8
|
250 - 550
|
400
|
28 - 32
|
30
|
25 - 50
|
30
|
|
3.2
|
300 - 650
|
500
|
28 - 32
|
30
|
25 - 50
|
30
|
Recovery: > 95 %
Flat
2.4, 2.8, 3.2
Other diameters: please consult us
Diameter≤ 2.4 mm≥ 2.4 mm
|
Standard packaging [EN ISO 544]
|
Spool : BS 300
|
Coil : B 450
|
Drum
|
|
Weight
|
15 kg
|
25 kg
|
Up to 330 kg
|
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