Hastelloy B2 Filler Wire is a top-notch nickel-molybdenum welding wire designed specifically for use in extremely corrosive environments. Conrad Welding Supplies, located in Houston, USA, stands out as a trusted manufacturer and supplier of high-quality Hastelloy B2 Filler Wire, catering to industries like chemical processing, pharmaceutical manufacturing, and aerospace. With a reputation for exceptional quality control, precise chemistry, and reliable performance, Conra delivers filler wires that provide excellent weldability and resistance to harsh chemical conditions. Whether for fabrication or repair, Hastelloy B2 wire from Conra guarantees strong, corrosion-resistant welds in critical applications.
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| Range | : | 6 mm to 120 mm. |
| Standards | : | ASTM / ASME SB 574, ASTM / ASME SB 333, ASTM / ASME SB 572 |
| Length | : | 2m – 6m |
| Finish | : | Bright, Polish & Black |
| Form | : | Round, Square, Hex (A/F), Bush, Rectangle , Flat, Wire Mesh. |
| Grades | : | Hastelloy B2 Filler Wires : ASTM B 333, ASME SB 333, UNS N10665 / Werkstoff Nr. 2.4617 |
This filler wire is mainly made up of nickel (around 70%) and molybdenum (28–30%), with only trace amounts of iron, carbon, and chromium. This unique alloy offers remarkable resistance to reducing agents like hydrochloric acid, hydrogen chloride, and sulfuric acid. It boasts high tensile strength (typically between 100–110 ksi) and outstanding resistance to stress corrosion cracking, pitting, and thermal instability. The wire performs exceptionally well in both TIG and MIG welding, featuring smooth arc characteristics and minimal porosity. Its purity and well-balanced formulation help reduce the risk of weld metal contamination and intergranular attack in aggressive chemical environments.
| C276 | B2 | |
| Carbon | 0.010 max | 0.02 max |
| Chromium | 20 – 22.5 | 1.0 max |
| Cobalt | 2.5 max | 1.0 max |
| Iron | 2 – 6 | 2.0 max |
| Manganese | 0.50 max | 1.0 max |
| Molybdenum | 12.5 – 14.5 | 26 – 30 |
| Phosphorus | 0.02 max | 0.04 max |
| Silicon | 0.08 max | 0.03 max |
| Sulphur | 0.02 max | – |
| Tungsten | 2.5 – 3.5 | – |
| Vanadium | 0.35 max | – |
| Nickel | Balance | Bal |
| Grades | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| B2 | 9.2 g/cm3 | 1370 °C (2500 °F) | Psi –1,10,000 , MPa –760 | Psi – 51,000 , MPa – 350 | 4o % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | EN | OR |
| Hastelloy B2 | 2.4617 | N10665 | – | – | – | – | – |
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Conrad Welding Supplies is a leading manufacturer and supplier of high-quality Hastelloy B2 Filler Wire in Houston , USA. We specialize in providing innovative welding solutions, supplying a variety of products, such as coated electrodes, welding electrodes, flux core wires, MIG and TIG welding wires, SAW flux, and filler wires. Our welding products are designed for strength, high performance, and reliability. With a keen emphasis on customer satisfaction, we deliver excellent service and have become a respected partner for all your welding needs.
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Hastelloy B2 Filler Wire is commonly utilized in industries where protection against strong reducing acids is essential. Typical applications include the fabrication of reactors, heat exchangers, pressure vessels, and piping systems in chemical processing plants and pharmaceutical manufacturing. It’s also used in pickling equipment, acid recovery units, and other components that come into contact with highly corrosive media. Thanks to its superior resistance to localized corrosion and chemical degradation, Hastelloy B2 ensures high-integrity welds and long-lasting durability in environments where standard alloys would struggle.
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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