Based in Houston, Texas, Conrad Welding Supplies is a reputable producer and supplier of high-grade zirconium ERZr4 welding wire that is intended for use in demanding and extremely corrosive environments. ERZr4 is a popular option for industries needing clean, high-integrity welds because of its exceptional corrosion resistance, especially in acidic and nuclear applications. Conra makes sure that our zirconium welding wires fulfil the strictest purity and performance requirements, which makes them perfect for the nuclear power, aerospace, and chemical processing industries. We are a dependable partner in speciality welding applications throughout the United States because of our dedication to quality and accuracy.
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| Weight in meter | ≈1.31g/m |
| Quantity | 1meter |
| Odor | Odorless |
| Physical Form | Wires, ≈1.31g/meter |
| Purity in Percent | 99.2% |
| Chemical Material | Zr wires, 0.5milimeter (0.020 inch) dia., Annealed |
| Assay | (metals basis excluding Hf) Hf 4.5% max |
| Zirconium Material Chart | ERZr2, ERZr4, ERZr3, high purity zirconium |
| Size Chart | 0.3-6.0milimeter diameter x L |
| Specification | ASTM B550, 550M-07, AWS A5.24 |
| Grade Chart | Sn | H | N | Zr+Hf | Hf | Fe+Cr | C | O | Nb |
| R60705/ERZr4 | 95.5% | <4.5% | <0.2% | – | <0.005% | <0.015% | <0.050% | <0.16% | 2.0-3.0% |
| DESIGNATION | TENSILE STRENGTH | YIELD STRENGTH 2% OFFSET | PERCENT ELONGATION IN 2 in. IN 50 mm | ||
|---|---|---|---|---|---|
| KSI* | MPa** | KSI* | MPa** | ||
| Annealed (A) | 35 | 241 | 10 | 68 | 55 |
| Half Hard (1/2H) | 62 | 427 | 53 | 365 | 11 |
| Hard (H) | 68 | 468 | 60 | 413 | 10 |
| Extra Hard (XH) | 70 | 482 | 62 | 427 | 10.5 |
| Spring | 72 | 496 | 63 | 434 | 11 |
Over 95% zirconium makes up Zirconium ERZr4 Welding Wire, which is alloyed with trace amounts of iron, chromium, tin (~1.5%), and other elements. In strong acids like sulphuric and hydrochloric acid, this composition provides exceptional corrosion resistance. It has good formability, high fracture toughness, and a tensile strength of about 330 MPa, yield strength of about 230 MPa, and elongation of 20–30%. ERZr4 is perfect for critical welds in demanding chemical and nuclear processing applications because it retains its mechanical stability in high-temperature and high-radiation environments.
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Conrad Welding Supplies is a Top manufacturer and supplier of high-quality Zirconium ERZr4 Welding Wire in Houston , USA. Specializing in welding solutions, we provide a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux and filler wires. Known for our reliable delivery and superior customer service, We are committed to offering top-tier welding materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your welding needs.
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Because of its low neutron absorption and radiation resistance, zirconium ERZr4 welding wire is frequently used in nuclear power plants to weld structural assemblies, pressure tubes, and fuel rod components. It is perfect for building reactors, heat exchangers, and piping systems that are subjected to harsh chemicals and strong acids in the chemical processing sector. It is used in the aerospace industry for high-performance components that are subjected to corrosion and heat. Additionally, it is used in pharmaceutical and medical devices that need to be highly pure and biocompatible. ERZr4’s exceptional corrosion resistance and mechanical reliability make it a preferred material in high-integrity, safety-critical welding applications.
We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.
Conrad Welding Supplies is a leading manufacturer, supplier and exporter of high-quality Coated Electrodes, Flux Core, MIG & TIG wires, SAW & Flux, Welding Wires, and Filler Wires, catering to various industries in Houston , USA
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