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Zirconium Straight Welding Wire AWS A5.24
- Description
-
Grade Synonyms: ERZr2, UNS R60702, Zr702; Zr705, ERZr4, UNS R60705; Zr704, ERZr704, ERZr3
Standard Specification: AWS A5.24, ASTM B495
Zr Welding Wire Description:
Zirconium Welding Wire is usually straight and can be divided into pickled titanium wire or titanium bright wire, which has a series of excellent characteristics of zirconium, such as high melting point, high yield strength, good resistance to stress corrosion cracking, resistance to pitting and crevice corrosion, Small neutron absorption cross section, small deformation after welding, strong arc erosion resistance, high weld precision, high thermal conductivity and strong durability, etc. Zirconium Welding Wire is a commonly used welding wire product in the nuclear power industry, which can achieve higher strength welding in various corrosive environments. The commonly used grades of Zirconium Welding Wire are ERZr2, ERZr3 and ERZr4, which can be widely used in pressure vessels, petrochemicals, aerospace, marine engineering, hydrogenation reactors and other fields. Using zirconium products provides longer life, lower maintenance and higher processing efficiency.
Chemical Components(wt%)Grade
UNS
Zr+Hf
Hf
Fe+Cr
Sn
O
H
N
C
Nb
ERZr2
R60702
99.0 min
4.5
0.20
--
0.11-0.15
0.005
0.015
0.03
--
ERZr3
R60704
97.5 min
4.5
0.20-0.40
1.0-2.0
0.11-0.16
0.005
0.015
0.03
--
ERZr4
R60705
95.5 min
4.5
0.20
--
0.11-0.16
0.005
0.015
0.03
2.0-3.0
Physical Properties:
Density: 6.49g/cm³ ; Melting Point: 1855°C (3371°F)
Modulus of Elasticity, ksi (mPa): 14.4 x 103 (99.2 x 103) in tension; 5.25 x 103 (36.2 x 103) in shear
Application Fields:
Zirconium 702 welding rods or filler wires are specifically designed to match the composition of Zirconium 702 base metal. These filler materials play a crucial role in the welding process, providing a compatible alloy that ensures a strong and durable bond between Zirconium 702 components. The welding rods are typically available in various diameters to accommodate different welding applications and requirements.
Zirconium Alloy Wire (Zr 705) is alloyed Zirconium with Niobium to increase tensile and yield strength. It exhibits excellent resistance to highly corrosive environments such as highly concentrated acids and alkaline solutions.
Zr 705 are usually used in Chemical Processing Industry; Nuclear Power Plant; Medical Industry.
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