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Core Technological Advantages
Corrosion Resistance
Palladium forms a passivation film, reducing the corrosion rate to 1/10 of ordinary titanium in acidic and chloride ion environments. Tested according to ASTM G48 standards, the annual corrosion rate in 6% FeCl₃ solution is <0.01mm. Suitable for reducing media environments such as phosphoric acid and organic acids, breaking through the application limitations of traditional titanium materials.
Mechanical Properties
Tensile strength ≥345MPa, yield strength ≥275MPa, elongation ≥20%. Maintains stable performance under operating conditions from -196℃ to 300℃, with a thermal expansion coefficient perfectly matched to the base material. Weld metal impact toughness reaches over 50J, meeting the impact resistance requirements of nuclear power equipment.
Excellent Processing Performance
Special surface treatment technology ensures smooth wire feeding and improves arc stability by 30%. With a spatter rate of <3%, ERTi-7 titanium wire produces aesthetically pleasing welds and reduces subsequent processing costs. It is compatible with automated welding equipment, achieving a 40% increase in welding efficiency.
Application Areas: ERTi-7 titanium wire is primarily used in:
Nuclear Energy Industry: Welding of various containers, pipework, and other equipment.
Special Purpose Industries: Applications requiring extremely high corrosion resistance.
Aerospace: Welding of engine components and structural parts.
Chemical Equipment: Welding of corrosion-resistant containers and pipelines.
Performance Characteristics:
Corrosion Resistance: Compared to ERTi-2, ERTi-7 titanium wire exhibits significantly improved corrosion resistance. The addition of 0.12% palladium metal solves the weld corrosion problem, demonstrating excellent corrosion resistance under mild reducing conditions.
Welding Processability: ERTi-7 titanium wire has excellent welding processability and can be used in TIG welding, plasma arc welding, and gas shielded welding. The welding process is stable, with minimal spatter and aesthetically pleasing welds.
Welding Precautions
Pre-welding Cleaning: Before welding, oil, rust, moisture, and other impurities must be removed from the welding surface. After grinding, cleaning with alcohol is also necessary. The welding wire should also be wiped clean with alcohol.
Shielding Gas: High-purity argon (>99.99%) should be used as the shielding gas during welding. Use a large nozzle to maximize the protection area, and use a drag shield if necessary. Argon shielding is recommended for temperatures exceeding 250℃.
Welding Process: Use low heat input and fewer welding layers during welding. Avoid swaying or make only small swaying movements during welding to prevent affecting the shielding effect. A silvery-white weld is ideal.
ERTi-7 titanium wire, with its excellent comprehensive performance, holds an irreplaceable position in high-end manufacturing fields, and is particularly suitable for critical applications in nuclear energy, aerospace, and other fields requiring extremely high corrosion resistance.
Corrosion Resistance
Palladium forms a passivation film, reducing the corrosion rate to 1/10 of ordinary titanium in acidic and chloride ion environments. Tested according to ASTM G48 standards, the annual corrosion rate in 6% FeCl₃ solution is <0.01mm. Suitable for reducing media environments such as phosphoric acid and organic acids, breaking through the application limitations of traditional titanium materials.
Mechanical Properties
Tensile strength ≥345MPa, yield strength ≥275MPa, elongation ≥20%. Maintains stable performance under operating conditions from -196℃ to 300℃, with a thermal expansion coefficient perfectly matched to the base material. Weld metal impact toughness reaches over 50J, meeting the impact resistance requirements of nuclear power equipment.
Excellent Processing Performance
Special surface treatment technology ensures smooth wire feeding and improves arc stability by 30%. With a spatter rate of <3%, ERTi-7 titanium wire produces aesthetically pleasing welds and reduces subsequent processing costs. It is compatible with automated welding equipment, achieving a 40% increase in welding efficiency.
Application Areas: ERTi-7 titanium wire is primarily used in:
Nuclear Energy Industry: Welding of various containers, pipework, and other equipment.
Special Purpose Industries: Applications requiring extremely high corrosion resistance.
Aerospace: Welding of engine components and structural parts.
Chemical Equipment: Welding of corrosion-resistant containers and pipelines.
Performance Characteristics:
Corrosion Resistance: Compared to ERTi-2, ERTi-7 titanium wire exhibits significantly improved corrosion resistance. The addition of 0.12% palladium metal solves the weld corrosion problem, demonstrating excellent corrosion resistance under mild reducing conditions.
Welding Processability: ERTi-7 titanium wire has excellent welding processability and can be used in TIG welding, plasma arc welding, and gas shielded welding. The welding process is stable, with minimal spatter and aesthetically pleasing welds.
Welding Precautions
Pre-welding Cleaning: Before welding, oil, rust, moisture, and other impurities must be removed from the welding surface. After grinding, cleaning with alcohol is also necessary. The welding wire should also be wiped clean with alcohol.
Shielding Gas: High-purity argon (>99.99%) should be used as the shielding gas during welding. Use a large nozzle to maximize the protection area, and use a drag shield if necessary. Argon shielding is recommended for temperatures exceeding 250℃.
Welding Process: Use low heat input and fewer welding layers during welding. Avoid swaying or make only small swaying movements during welding to prevent affecting the shielding effect. A silvery-white weld is ideal.
ERTi-7 titanium wire, with its excellent comprehensive performance, holds an irreplaceable position in high-end manufacturing fields, and is particularly suitable for critical applications in nuclear energy, aerospace, and other fields requiring extremely high corrosion resistance.
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