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YCC&YBC
Electrode materials

YCC&YBC

Characteristics

(YCC)
•A precipitation-hardening type Cu-Cr alloy with high strength ,heat resistance, and electrical conductivity.
•Suitable for spot welding and seam welding of mild steels and high tensile strength steels.
(YBC)
•A precipitation-hardening type Cu-Be alloy that contains special elements has high temperatures.
•Suitable for spot welding and seam welding of stainless steels and heat resistant steels.

Chemical composition(wt%)

(YCC)
Cu Fe Ni Cr
Bal. 0.05 0.01 0.9~1.3

(YBC)
Cu Ni Be
Bal. 1.5~2.5 0.25~0.4

Mechanical properties

Type Form Hardness
(HV)
Tensile Strength
(N/mm2)
Elongation(%) Referential standards
YCC Rods <Ø25mm
Ø25mm
140
126
450
410
15
15
JIS Z3234(Class2)
Plates <25mmt
25mmt
114
105
410
380
15
15
YBC Rods
Wheels & Plates
200
200
685
590
9
5
JIS Z3234(Class3)

Physical properties

Type Density(20)
g/cm3
Modulus elasticity
GPa
Electrical resistivity
µ• m
Therma l conductivity
W/(m•K)
Melting point
Specific heat(20)
J/(kg•K)
Electrical conductivity
IACS%
YCC 8.89 130 0.022 324 1075 385 75
YBC 8.83 138 0.033 240 1080 420 45

Heat-resisting properties

Hardness in high temperature

Hardness after heating

Manufacturing range

Diameter(mm) Length(mm)
Rods Ø3~Ø40
Ø41~Ø100(Forged)
1000~2000
1000

Diameter(mm) Length(mm)
Wheels Ø200~Ø500 8~

Thickness(mm) Width(mm) Length(mm)
Plates 2~12(Rolled)
13~50(Forged)
300
275
1000
1000

Main application

•Resistance welding of stainless steels and heat-resistant steeels
•Electrode materials
•Contact tips for MIG welding
•Various welding rod holders
•Electrical equipment
•Heat-resistant mechanical parts

The specifications shown above are those as of Jan., 2015.
The specifications are subject to change without prior notice.

Inquiries

DOWA METALTECH CO.,LTD.
METAL PROCESSING BUSINESS UNIT SALES DEPARTMENT II
TEL 81-(0)53-453-4223 FAX 81-(0)53-453-4226



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