Changzhou WL Allotech Material Co.,Ltd
                                                                                                           
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17 Years
Since 2009
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Colmonoy 4 Hard Facing Welding Rod Nickel Based Alloy High Temperature Valve Sealing

Price Negotiable
Price: Negotiable
MOQ: 5kg
Delivery Time: within 10 days
Brand: WL-ALLOTECH
Product Description

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

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

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changzhou WL Allotech Material Co.,Ltd
Location B610, No.16, Yanzheng Middle Road, Hutang Town, Wujin District, Changzhou City, Jiangsu Province
Contact Person John li

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