Hastelloy B3 straight weld wires
Hastelloy B3 straight weld wires are a nickel-molybdenum alloy welding material. They are designed for welding Hastelloy B3 alloy and similar materials. They have excellent corrosion resistance and high temperature stability. They are suitable for harsh chemical and high temperature environments. The main elements of Hastelloy B3 straight weld wires are nickel (Ni), molybdenum (Mo) and chromium (Cr). They make sure that the weld has the same mechanical properties and corrosion resistance as the base metal.
Hastelloy B3 straight weld wires are mainly used in the chemical, petroleum and energy industries. They are used for welding corrosion-resistant equipment such as reactors, heat exchangers, pipes and valves. They are suitable for strong acids (hydrochloric acid, sulfuric acid), chlorides and high temperature environments. In the pharmaceutical, nuclear and offshore engineering industries, Hastelloy B3 straight weld wires perform well. They ensure high corrosion resistance, low cracking tendency and stable welding quality. They meet the requirements of harsh working conditions.
Features of Hastelloy B3 straight weld wires
Excellent corrosion resistance: Hastelloy B3 straight weld wires show excellent corrosion resistance in strong reducing acids (like hydrochloric acid and sulfuric acid) and chloride media. They are much better than ordinary stainless steel welding materials.
Low hot cracking sensitivity: The optimized alloy composition of Hastelloy B3 straight weld wires reduces the tendency for hot cracking during welding. This improves the welding quality.
Good high-temperature performance: Hastelloy B3 straight weld wires can keep stable mechanical properties and oxidation resistance in high-temperature environments. They are suitable for welding high-temperature equipment.
Excellent weldability: The weld wire of Hastelloy B3 straight weld wires melts evenly. There is little spatter and the weld seam has a good appearance. It is suitable for TIG, MIG and other welding processes.
Applications of Hastelloy B3 straight weld wires
Chemical reactors and heat exchangers: Hastelloy B3 straight weld wires are used for welding repair in strong acid and highly corrosive media environments.
Petroleum refining equipment: Hastelloy B3 straight weld wires are used in pipes, valves, pump bodies and so on. They resist corrosive media like hydrogen sulfide and hydrochloric acid.
Pharmaceutical and food processing equipment: Hastelloy B3 straight weld wires are suitable for high-purity media environments. They ensure contamination-free welding.
Nuclear industry and offshore engineering: Hastelloy B3 straight weld wires provide long-term and reliable welding performance in extremely corrosive conditions.
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Parameter Category |
Detailed Specifications |
Remarks |
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Standards |
AWS A5.14 (ERNiMo-7), UNS N10675, ISO 18274 (NiMo7) |
Complies with international standards |
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Diameter (mm) |
Standard: 0.8, 1.0, 1.2, 1.6, 2.0, 2.4, 3.2 |
Special sizes available |
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Custom: 0.5-5.0 (upon request) |
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Form |
- Straight Lengths: 1000mm (±10mm) |
Non-standard lengths supported |
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- Spool Wires: 5kg/10kg/15kg coils |
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Mechanical Properties |
- Tensile Strength: ≥760 MPa |
As-welded condition |
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- Yield Strength: ≥350 MPa |
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- Elongation: ≥40% |
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- Hardness: ≤250 HV |
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Welding Processes |
Recommended: |
Heat input ≤15 kJ/cm |
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- TIG (GTAW): Pure Ar (99.99%) |
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- MIG (GMAW): Ar+He mix |
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- SAW: With matching flux |
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Shielding Gas |
- TIG: 100% Ar (8-12 L/min) |
Avoid N₂/O₂ contamination |
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- MIG: Ar + 20% He (improves penetration) |
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Preheat/Interpass Temp. |
Guidelines: |
Prevents hot cracking |
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- Preheat: Not required (room temp OK) |
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- Interpass Temp: ≤150°C |
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TIG Welding Current (A) |
Reference: |
DCEN (Direct Current Electrode Negative) |
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- Ø1.0mm: 50-100A |
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- Ø2.4mm: 150-220A |
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Corrosion Resistance |
- Acids: All conc. HCl, H₂SO₄ (≤70%), H₃PO₄ |
Superior to Hastelloy B2 |
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- Media: Chlorides, reducing environments |
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Applications |
Chemical reactors, oil pipelines, pharmaceutical equipment, nuclear waste, offshore platforms |
High-corrosion/High-temperature |
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Packaging & Storage |
- Vacuum-sealed (10kg/bundle) |
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- Dry storage (humidity ≤40%) |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Hastelloy B3 straight weld wires ?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
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