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Product name : 5/16-1/4 Inch 70% Tungsten Carbide Particle 450mm Length Tungsten Carbide Composite Rod with Copper Matrix Alloy
Product No. : 5/16-1/4 Inch
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  Details:
 5/16-1/4 Inch 70% Tungsten Carbide Particle 450mm Length Tungsten Carbide Composite Rod with Copper Matrix Alloy
5/16-1/4 Inch 70% Tungsten Carbide Particle 450mm Length Tungsten Carbide Composite Rod with Copper Matrix Alloy

Specifications

 

1.carbide copper alloy brazing rod it is made of by sintering tungsten carbide scrap and elastic matrix alloy,Outer layer of the special
flux and coloring is marking scrap grade,the composition of sintering tungsten carbide scrap is mainly CO and WC,The hardness is 
HRA 89~91,tire body matal is Ni and copper alloy,strength can up to 690MPa, hardness HB≥160.
2.Common particle sizes :1/16" x 1/8" (1.6 x 3.2 mm) , 3/16" x 1/8" (3.2 x 4.8 mm) , 1/4" x 3/16" (4.8 x 6.4 mm) ,    5/16" x 1/4" (6.4 x 7.9mm) ,
 3/8" x 5/16" (7.9 x 9.5 mm), 1/2" x 3/8" (9.5 x 12.7 mm).
3.length :280mm ,450mm
4. YG +CuSnZn or YG+CuSnZn+10% Ni
5.WC grit compositions : 70% ,60%,50%

 

tungsten carbide composite rod size and grade:                                                                                

there are eight grades according the size of tungsten carbide scrap.

grade

size (mm)

scrap size (mm)

color

YD-9.5

9.5

9.5~6.5

dark green

YD-8

8.0

8.0~6.5

dark blue

YD-6.5

6.5

6.5~5.0

red

YD-5

5.0

5.0~3.0

yellow

YD-3

3.0

3.0~2.0

pink

YD-10mesh

10mesh

10~18mesh

light green

YD-18mesh

18mesh

18~30mesh

light green

YD-30mesh

30mesh

30~50mesh

light yellow

 

 

E. overlaying process of tungsten carbide composite rod,

The oxyacetylene butt, the operating process is as follows:
(1) clean up the workpiece, make the welding workpieces surface with metallic luster.
(2) the flat position of welding, therefore can use the appropriate clamping fixture for control of surfacing layer
thickness, thick piece of available.

(3) with a neutral flame preheating, flame core not contact surface, the distance to 25 mm is advisable.
(4) carbide surfacing welding layer.With YD type electrode surfacing, the use of neutral flame (can be slightly 
carbonizing flame) tip is steady on the workpiece surface movement, the flame of the alloy electrode heating 
(be careful not to make flame cone tip contact alloy particles), tire body in the electrode alloy melt, carbide 
particles are also falling.
Before the tire body of molten metal solidification, the particles arrange, can use left 
hand of the alloy electrode fingers, or another person holding a base electrode or pull rod on graphite rod 
in a quick stir particles, making them evenly aligned neatly.
Surfacing layer thickness control according to 
the requirements of design.

(5) after the workpiece welding, where no ventilation, slow cooling, cannot quench, conditional usable 
asbestos blanket cover.

(6) the workpiece after cooling to room temperature, if necessary, grinding surface surfacing to required
size and shape.

(7) clean up the workpiece, remove all splash, slag, etc.

 

 



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Online service

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