FeCrBSi

INTRODUCTION

FeCrBSi wire material with coating was prepared by twin-wire arc spraying processing. The chemical compositions of the coating, as well as phase components were analyzed by energy-dispersive spectroscopy and x-ray diffraction method. The surface roughness, porosity, and cross-sectional morphology were further characterized. In-boiler test was also carried out. The low thickness loss of the tube indicates a promising application future in sludge boilers.

CHEMICAL COMPOSITION

Grade

Chemical Composition

Cr%

B%
Mn%
Si%
Fe%
FeCrBSi
27-29  3-4 1.5-2
 1-2 Bal

Equivalent

 Tafa 95MXC,PMET 273,Armacore M.

Deposit Characteristics

Grade

Density

Melting point°C

FeCrBSi

7.3g/cm3

1538

Typical Hardness:  HRB 55-60

Bond Strength:  6000 psi

Deposit Rate:  10 lbs/hr/100A

Deposit Efficiency  70%

Machin Ability  :Good

Advantage:

1. Reasonable price, regular sizes stock, short delivery time;

2. International production technology, quality guaranteed;

3. 100% replacement / Refund for problematic items;

Production process

Spray process

Arc Spray

Arc spraying is the use of electric arc burning in two consecutive fed between the wires to melt the metal, with a high velocity gas stream molten metal atomization, and the atomization of the sprayed metal particles so that they accelerate the work to form a coating technology .

Flame Spray

The use of a flame as the heat source, the metal and non-heated to a molten state, forming a mist flow in the state of high-speed air jet to the substrate, the injection of the molten minute particles impact upon the substrate above, plastic deformation, into a sheet shape superimposed sedimentary layers.

Application

Boiler tubes& tube shields

Yankee Dryer Rolls

Abrasion Resistance

Fan blades

Drill collars

Packing and shipping

Packaging

STANDARD SIZE&PACKING

Size

Tolerance

Packing

Wire Weight

1.6mm

+0/-0.05

D270 Spool

15kgs(33 lbs)/spool

2.0mm

+0/-0.05

D270 Spool

15kgs(33 lbs)/spool

 Other sizes can be produced based on customers’ requirement.

Delivery time

Courier/ Air / Sea

Normally we keep stock of 1.6 mm, can deliver in 1 - 3 days.

For mass order, lead time depends on quantity.

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