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Tungsten carbide composite welding rod is made of cemented carbide particles and Ni/Ag(Cu)alloy. The carbide particles always be tungsten carbide crushed grits, carbide wear inserts, like the carbide star shape inserts, carbide pyramid shape inserts, shark shape inserts and so on. Sometimes, the carbide particles can be tungsten carbide powder.
The economy choice is tungsten carbide crushed grits. If you want to higher durable than carbide grits, carbide inserts is better. However the cemented carbide/crushed carbide with sharp edge has excellent wear resistance and cutting ability too.
The hardness is 89-91 HRA, the binder metal is Ni and copper alloy, strength can up to 690MPa, hardness HB≥160.
To brief, most of the Composite rod made using crushed sintered Tungsten Carbide grains bonded with a bronze nickel matrix,(Cu 50 Zn 40 Ni 10) with a low melting point ( 870°C ).
Specifications of Composite Welding Rods:
The grain sizes of the carbideparticles:
1/8-1/16 in. ( 3.2-1.6 mm )
3/16-1/8 in. (4.8-3.2 mm)
1/4-3/16 in. (6.3-4.8 mm)
3/8-5/16 in. (9.5-7.9 mm)
5/16-1/4 in. (7.9 -6.3 mm)
3/8-1/4 in. (9.5-6.3 mm)
1/2-5/16 in. (12.7-7.9 mm)
The grades of the composite welding rods:
There are main grades depends on the different Proportion of the tungsten carbide particles.
Grade
Chemical compositions(%)
Physical performance
Applications
WC
Cu+Zn+Sn
Co
BT-Cu-30
64-67
30±2
3.8-4.2
Hardness: >160 HB TRS: >690MPa
Down hole tools Plungers Shafts Agricultural/mining equipment Vlaves Turbine Blades Tool joints Extruder barrels and screws
BT-Cu-40
53-56
40±2
4.6-4.8
BT-Cu-45
48-52
45±2
4.2-4.5
BT-Cu-50
44-48
50±2
3.8-4.2
Composite Welding Rod with Copper matrix alloy: Composite Welding Rod with nickel matrix alloy:
AWS: RBCuZn-A AWS: RBCuZn-D
Application of Composite Welding Rods:
Composite rod welding has been acknowledged throughout oil drilling, mining and construction industry worldwide for its extra hardness and high wear resistant properties. The use is even spreading to more industries and gets greater uses. Composite rod welding has wear and cutting properties coupled by high-end weld ability and low fuming, allowing the material to use in stabilizers, reamers, drill pipe joints, construction drilling, hydraulic-cutter, pipe cutter blades, core bit, scraper, twist drill, milling and grinding shoes etc.
Advantages of Composite Welding Rods:
First, to increase the speed ofdownhole milling and cutting.
Second to protect the surface of tools subject, to abrasive wear,maintaining full guage on stabiliz-ers, guides keyseat wipers, andother downhole tools.
High Strength
High Hardness
Abrasion Resistance
Long Service Life
Easy to Replace
FAQ of Composite Welding Rods:
Q: Are you trading company or manufacturer ?
A: We are factory.
Q: How long is your delivery time?
A: Generally within 7 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: What is your terms of payment ?
A: Payment<=1000 USD, 100% in advance. Payment>=1000 USD, 30% T/T in advance, balance before shipment.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2007
Total Annual:
$5 Million -US$10 Million
Employee Number:
101~200
Ecer Certification：
Verified Supplier
ZIGONG(CHENGDU) JOINT CARBIDE CO., LTD is subsidiary of ZIGONG JOINT CARBIDE CO., LTD a professional manufacturer of tungsten carbide rotary tools and carbide material. We have two subsidiary companies, one is in Chengdu city, Sichuan Province and the other one is in Zigong City, Provi...
ZIGONG(CHENGDU) JOINT CARBIDE CO., LTD is subsidiary of ZIGONG JOINT CARBIDE CO., LTD a professional manufacturer of tungsten carbide rotary tools and carbide material. We have two subsidiary companies, one is in Chengdu city, Sichuan Province and the other one is in Zigong City, Provi...
