WL Colmonoy 4

WL Colmonoy 4

 

Colmonoy 4 Welding Rod - Nickel Based Alloy Hard Facing Rod High Temperature Valve Valve Sealing

Properties: Resistant to wear, heat, corrosion and abrasion

Application: Automotive, Wood&Timber, Chemical&Petrochemical, Power Generation, Oil&Gas

description1
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Product Description

WL Allotech NiCrBSi 4 rod offers superior wear protection, retaining its hardness up to 600ºC (1000ºF) with significant resistance to oxidation, and it offers outstanding metallurgical and physical properties making them ideally suited to solving wear mechanisms such as abrasion, erosion, corrosion and high-temperatures encountered in service.

 

Hardness: 36-40HRC

Chemical Composition(%)

C

Si

B

Mo

Cr

W

Ni

Fe

0.4

2.4

2.1

/

10.00

/

Rest

2.8

Specification

AWS / ASME: A5.21 / SFA5.21 ERNiCr-A

Cold / Hot  Abrasion

Good / Good

Erosion / Corrosion

Good / Good

Impact

Good

Magnetic

No

Deposit Layers

2 Max

Machinability

Grinding

Max. Operating Temp.

600 ºC

Packing Details

For length 350mm 500mm pack in carton each 5kg
For 1000mm packing in 5kg tube, 4 tubes in one 20kg carton
For length more than 1000mm, pack in wooden box directly

 

Applications

Automotive, Wood&Timber, Chemical&Petrochemical, Power Generation, Oil&Gas, Mining, Plastic&Rubber, Pulp&Paper, Dies&Molds

Type We Could Offer

Trademark

Nominal Chemical Composition

HRC

Application

C

Cr

Si

W

Ni

Fe

Mn

Mo

Co

B

WL Co1

2.45

30.0

1.0

13.0

≤3.0

≤3.0

≤1.0

≤1.0

Bal.

 

50-58

Valve seat insets, bearing, sawteeth, rotary ring, Pump Sleeves

WL Co3

2.4

30.5

1.0

13.0

≤3.0

≤3.0

≤1.0

≤1.0

Bal.

 

50-56

Valve seat insets,steel mill guide roll, wearing panel of cracker blade, etc.

WL Co4

1.0

31.0

1.0

14.0

≤3.0

≤1.0

≤0.5

≤0.5

Bal.

 

45-50

Hot extrusion die, dry battery industry

WL Co6

1.2

29.0

1.0

4.5

≤3.0

≤3.0

≤1.0

≤1.0

Bal.

 

40-46

Engine valve, high temperature valve, turbine blade

WL Co12

1.4

30.0

1.3

8.5

≤3.0

≤3.0

≤1.0

≤1.0

Bal.

 

44-50

Pressure valves, sawteeth screw fights

WL Co20

2.5

32.0

1.0

17.0

≤3.0

≤3.0

≤0.5

≤1.0

Bal.

 

54-59

Wear plate, bearing sleeve, etc.

WL Co21

0.2

27.0

1.0

0.2

≤3.0

≤2

≤1.0

≤5.5

Bal.

 

20-40

Fluid valve seat, turbine blades, hot forging die

WL Co25

0.05

20.0

1.0

15.0

10.0

≤2.0

≤1.5

≤1.0

Bal.

 

24

High temperature and corrosion-resistant valve sealing surface, pressure casting dies, etc.

WL Co31

0.5

26.0

1.0

7.5

10.0

≤3.0

≤1.0

≤1.0

Bal.

 

30-35

Extrusion die, steam turbine blade, etc.

WL Co32

1.8

26.0

1.2

12.0

22.0

≤1.5

≤0.5

≤1.0

Bal.

 

40-45

Engine inlet and exhaust valve

WL Co190

3.2

26.0

1.0

14.0

≤1.0

≤3.0

≤1.0

≤1.0

Bal.

 

54-60

Petroleum drill bit, mining industry

WL CoT400

0.08

8.5

2.6

 

1.5

≤1.5

≤1.0

28

Bal.

0.8

50-60

Valve and roller path, plastic extruder in strongly corrosive

WL CoT800

0.08

18.0

3.4

 

≤1.5

1.5

≤1.0

28

Bal.

0.8

52-58

Valve and roller path, plastic extruder in strongly corrosive