Hotline: 0931278843 Email: sales@kojako.com
Address: 7/4A3 Linh Dong Street, Linh Dong Ward, Thu Duc City, Hochiminh City, Vietnam

KOJAKO VIETNAM COMPANY LIMITED

7/4A3 Linh Dong Street, Linh Dong Ward, Thu Duc City, Hochiminh City, Vietnam

RESISTANCE SEAM WELDING WHEEL C17510 RWMA


Resistance Seam Weding Wheel C17510 RWMA Beryllium Copper Alloy is made by forging method with high hardness and  withstand great pressure. In particular, Resistance Seam Weding Wheel C17510 RWMA has good resistance to deformation and cracking, and is resistant to large local welding temperatures, thus ensuring a long life of the Beryllium copper Seam Welding Disc Electrode. Furthermore, KOJAKO is available in a variety of Seam Welding Discs of different diameters and thicknesses.


Thông tin chi tiết

OVERVIEW OF RESISTANCE SEAM WELDING WHEEL C17510 RWMA

Copper Beryllium Alloy C17510 RWMA -  Resistance Seam Weding Wheel is specialized for continuous seam welding and welds that create smooth, beautiful and no weld spots. This means that seam welds using Beryllium Copper Alloy C17510 RWMA Roller Welding Discs always have high aesthetics and the contact resistance welding technique is quite cost-effective, has fast processing time and ensures weld quality.

C17510 Beryllium Copper Resistance Seam Welding Wheel
C17510 Beryllium Copper Resistance Seam Welding Wheel

The two wheels of Seam Welding Discs Copper Beryllium Alloy C17510 RWMA must have the same diameter and thickness to avoid the working center being eccentric towards one of the two wheels. The actual contact profile can be designed in many ways to suit the shape of the part being welded. The current may flow continuously during welding or intermittently to create a series of points located so close together that a single, continuous weld is created. An unavoidable problem when welding seams is that some current "leaks" through the weld.

Seam Welding Disc Beryllium Copper Alloy
Seam Welding Disc Beryllium Copper Alloy

In short, the operating principle of the Beryllium Copper Alloy C17510 RWMA Roller Welding Disc is accomplished by resistive heating (02 rolling welding wheels) at the joint position of two overlapping metal plates that are pressed together with copper electrodes / copper brazing disc or copper alloy disc. Localized melting occurs at the surfaces and an internal weld spot is formed. The welding cycle, including current, pressure and time, is easily controlled automatically, bringing advantages.

C17510 Beryllium Copper Welding Wheel
C17510 Beryllium Copper Welding Wheel

FEATURES OF RESISTANCE SEAM WELDING WHEEL C17510 RWMA

Beryllium Copper Alloy C17510 Seam Welding Wheel always has high mechanical properties - extremely good tensile and compressive strength is achieved from the precipitation heat treatment process. . Beryllium Alloy Copper C17510 RWMA welding disc has a very high yield strength to conductivity ratio and is suitable for applications - mainly used in steel tank manufacturing industries, bonding steel plates together ...

C17510 RWMA Class 3 Beryllium Copper Alloy - Seam Welding Disc
C17510 RWMA Class 3 Beryllium Copper Alloy - Seam Welding Disc

Beryllium Copper Alloy C17510 RWMA Seam welding disc is produced by forging method with high precision, high durability - high hardness, good abrasion resistance and corrosion resistance. In particular, the high thermal conductivity improves the forming cycle in the casting production process, the service life is long and the mechanical strength is not lost; No rust, suitable for a wide range of purposes in the modern manufacturing industry.

Seam Welding Roller - Beryllium Copper C1750 Class 3
Seam Welding Roller - Beryllium Copper C1750 Class 3

Basic characteristics of Beryllium Copper Alloy C17510 RWMA Resistance Seam Welding Disc are as follows:

  • High electrical and thermal conductivity
  • Highest yield to elongation ratio
  • Excellent machinability
  • Low friction properties
  • Good corrosion resistance
  • No magnetism
  • Produce many different hardness ranges, according to customer requirements.
  • Capable of annealing and re-aging / Heat treatment
Chemical Properties

Mechanical Properties

Cu  Be  Ni Fe Al Si  Co Hardness
(HRB)
Tensile Strength
(Ksi)

Yield Strength
(Ksi)

Elongation
Balance  0.4 ~ 0.6% 1.4 ~ 2.2% max 0.1% max 0.2% max 0.2% max 0.3% Avg. 98 max. 115 max. 110 min. 5%

Physical Properties

Metric Units Imperial Units
Melting Point (Liquidus) 1068°C 1955°F
Melting Point (Solidus) 1029°C 1885°F
Density 8.77 gm/cm³ @ 20°C 0.317 lb/in³ @ 68°F
Specific Gravity 8.77 8.77
Coefficient of Thermal Expansion 9.8 x 10 -6 / °C (20-300°C) 17.6 x 10 -6 / °F (68-392°F)
Themal Conductivity 120 W/m. °K @ 20°C 207.7 BTU/ft²/ft/hr/°F @ 68°F
Electrical Conductivity 0.281 MegaSiemens/cm @ 20°C 48% IACS@ 68°F
Modulus of Elasticity (tension) 19200 MPa 132400 ksi

Resistance Seam Welding Disc - C17510 RWMA Class 3 Beryllium Copper
Resistance Seam Welding Disc - C17510 RWMA Class 3 Beryllium Copper

APPLICATION OF RESISTANCE SEAM WELDING WHEEL C17510 RWMA

C17510 Beryllium Copper Alloy - Resistance Seam Welding Disc is used in many different applications, specifically:

  • Welding of joints and production of pressure vessels and leak-proof welding of fuel tanks.
  • Welding and processing of water tanks, oil switching equipment, transformer tanks, aircraft tanks, tanks that need to be airtight and watertight.
  • Machining joining steel plates together and rims of honda, yamaha motorbikes...
  • Another common application is welding pipes and tubes. Contact resistance soldering iron is especially used in this field because it does not use any fusion metal in the process. Therefore, there are no welds that will spoil the aesthetics of the pipes and tubes. This seam welding technique is capable of creating seamless joints that can hardly even be felt at the joint surface.

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ISO 9001 : 2015 CERTIFIED COMPANY -  KOJAKO VIET NAM

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