Ercocr-B Welding Rod - Cobalt Based Alloy

• Customization: Available
• Equivalent: Stellite 12, Bishilite(Mha) No.12, Weartech Wt-12
• Material: Cobalt Based Alloy
• Model NO.: WD-Co12
• Shape: Bare Cast Rod
• Aws / ASME: A5.21 / Sfa5.21 Ercocr-B
• Hardness (HRC): 45-51
• Process: Oxy-Acetylene (Oaw) / TIG (Gtaw) / ERW / Automatic
• Application: Hardfacing, Wear-Resistance, Corrosion-Resistance
• Transport Package: Carton, Plywood Case
• Specification: DIA. 2.4, 2.6, 3.2, 4.0, 4.8, 5.0, 6.4, 8.0 mm
• Trademark: Wisdom
• Origin: Shanghai
• Production Capacity: 5000 Ton/Year

Product Description

Product Description

WD-Co12 could be considered an intermediate alloy between WD-Co6 and WD-Co1. It contains a higher fraction of hard, brittle carbides than WD-Co6, and has increased resistance to lowangle erosion, abrasion, and severe sliding wear whilst retaining reasonable impact and cavitation resistance. WD-Co12 is often used self-mated or running against WD-Co6 or WD-Co1. The higher tungsten content provides better hightemperature properties compared to WD-Co6, and it can be used at temperatures up to about 700˚C.

WD-Co12 is typically used for cutting tools that need to withstand abrasion, heat and corrosion. Examples include industrial knives for cutting carpets, plastics, paper and synthetic fibres; and saw tips in the timber industry. It is also used for control plates in the beverage industry, pump vanes, bearing bushes and narrowneck glass mold plungers; and for hardfacing of engine valves, pinch rollers in the metal-processing industries, and rotor blade edges.
 

Brand	Wisdom	Model Number	WD-Co12
Form / Shape	Rod	Dimensions	DIA. 2.4, 2.6, 3.2, 4.0, 4.8, 5.0, 6.4, 8.0mm
Process	OAW / TIG / ERW / Automatic	Application	Hardfacing, Wear-resistance, Corrosion-resistance
Equivalent	Stellite 12, BISHILITE (MHA) No.12, Weartech WT-12, Stoodite 12, POLYSTEL 12
Certification	ISO 9001:2015	Test Report	Signed & Stamped
Free Docs	CO / GSP Form A E F P	Currency	USD/EUR/GBP/RMB
Lead Time	Shipment within 10 days	Label	Brand, Neutral or Customized

Specification

 

AWS / ASME: A5.21 / SFA5.21 ERCoCr-B
Metal to metal Wear	Excellent
Cold / Hot Abrasion	Excellent / Excellent
Erosion / Corrosion	Excellent / Excellent
Impact	Good
Magnetic	No
Deposit Layers	2 Max
Thermal Conductivity	14.6 W/m.K, 100 Btu-in/hr/ft2/°F
Electrical Resistivity	98 µ-ohm.cm, 38.6 µ-ohm.inch

Chemical Composition (%)

Co	Cr	W	C	Ni	Mo	Others	Hardness	Density	Melting Range
Bal.	27-32	7.5-9.5	1.4-1.7	<3.0	<1.0	Fe, Si, Mn	45-51 HRC	8.53 g/cm3	1200-1365 ºC

Forms & Grades

 

Bare Rod	Grade: Co 1, 6, 12, 21, 25, 32, 190 Process: Oxy-acetylene/OAW, TIG/GTAW, ERW & other Automatic/Robotic system DIA. (mm): 2.4, 2.6, 3.2, 4.0, 4.8, 5.0, 6.4, 8.0 DIA. (inch): 3/32, 1/8, 5/32, 3/16, 1/4, 5/16 LEN. (mm): 300, 350, 450, 500, 1000, 1500, 2000, 3000, 4000
Powder	Grade: Co 1, 6, 12, 21, 25, 190 Process: PTA, HVOF, Laser Cladding, Plasma Spray Particle Size (µm): 180/53, 180/63, 150/45, 150/63, 150/53, 125/38, 250/45, 45/20, 53/20 Particle Size (mesh): 80/270, 80/230, 100/325, 100/230, 100/270, 120/400, 60/325, 325/635, 270/635
Covered/Coated/Stick Electrode	Grade: Co 1, 6, 12, 21 Process: SMAW/MMA/MMAW DIA. (mm): 2.4, 2.6, 3.2, 4.0, 4.8, 5.0 DIA. (inch): 3/32, 1/8, 5/32, 3/16 LEN. (mm): 300, 350, 450

Grade Color

Black: Co 1     Red: Co 6     Green: Co 12     Blue: Co 21


 

 

 

Advantages

Quality

ISO 9001:2015 & Thorough inspection  
20 years experience in production
OEM for world-class companies

Price

 Most competitive price ever
 Multi saving solutions 
 Aperiodic promotions

 Service

            7×24 services & Fast lead time
             Free samples & Low MOQ
             Various payment terms

Certifications

 

 

 

Applications

 

 

 

 

Packing & Delivery

Packing: for different forms we use different packing as pictures below

Label: Brand, Neutral or Customized

Delivery: 5 - 20 days, by Sea, Air or Express

 

FAQ

Q1. What is your product line?

A: We specialize in hardfacing & wear-resistant welding / thermal spray consumables, with the strength of Cobalt, Nickel and Iron based alloys in form of rod, powder and electrode.

Q2. Can I have a sample order?

A: Yes, we offer FREE sample for inspection. Mixed samples are acceptable.

Q3. What about the lead time?

A: Sample needs 1-3 days, mass production needs 1-2 weeks for order quantity more than 100kgs.

Q4. Do you have any MOQ limit?

A: Low MOQ, 3-5 pcs for sample checking is available.

Q5. How do you ship the goods and how long does it take to arrive?

A: Depends on the transportation you choose. It usually takes 3 weeks to arrive by sea. Airline and Express shipping are also optional.

Q6. Do you have a fixed price list?

A: We do not. We quote based on the result we evaluate customers from various aspects, such as quantity, payment term, lead time, etc.

Q7. Is it OK to label my logo on packages?

A: Yes. Please inform us formally before the production. You could confirm the design earlier based on our sample.

Q8. How to deal with the faulty?

A: Our products are produced in strict quality control system and the defective rate will be less
than 0.1%. If you do receive items with fault, we offer 100% refund or replacement.