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Hastelloy® B-3 / N10675
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A nickel-molybdenum alloy with excellent resistance to hydrochloric acid at all concentrations and temperatures. It also withstands sulfuric, acetic, formic and phosphoric acids, and other non-oxidizing media. B-3 alloy has a special chemistry designed to achieve a level of thermal stability greatly superior to that of its predecessors, (such as B-2).
B-3 alloy has excellent resistance to pitting corrosion, to stress-corrosion cracking and to knife-line and heat-affected zone attack. B-3 is not recommended for use in the presence of ferric or cupric salts as these salts may cause rapid corrosion failure. Ferric or cupric salts may develop when hydrochloric acid comes in contact with iron or copper.
| Alloy Grade |
UNS |
Carbon (C) |
Manganese (Mn) |
Phosphorous (P) |
Sulphur (S) |
Silicon (Si) |
Chromium (Cr) |
Nickel (Ni) |
| B-3 |
N10675 |
0.10 |
3.00 |
0.030 |
0.01 |
0.01 |
1.0-3.0 |
65 min. |
| Molybdenum (Mo) |
Nitrogen (N) |
Iron (Fe) |
Copper (Cu) |
Titanium (Ti) |
Aluminum (Al) |
Cobalt (Co) |
Tungsten (W) |
Vanadium (V) |
Niobium (Nb) |
| 27.0-32.0 |
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1.0-3.0 |
0.20 |
0.20 |
0.50 |
3.00 |
3.00 |
0.20 |
0.20 |
Ta=.20 max
Zr=.10
Ni+Mo=94-98
MONEL ®alloys
Inconel®alloys
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INCOLOY®alloys
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Hastelloy®alloys
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Other alloys
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Available forms are seamless pipe, welded pipe, seamless tube, welded tube, bar, wire, sheet, plate, forgings, pipe fittings and flanges..
| Products |
Standard |
| Sheet/Plate content |
ASTM B443, AMS 5599, AMS 5869, ISO 6208, VdTüV 499, BS 3072NA21, EN 10095, DIN 17750 |
| Round Bar/Wire content |
ASTM B446, AMS 5666, AMS 5837, ISO 9723, ISO 9724, ISO 9725, VdTüV 499, BS3076NA21, EN 10095, DIN 17752, DIN 17753, DIN 17754 |
| Pipe & Tube content |
ASTM B444, ASTM B751, ASTM B829, ASTM B775, ASTM B705, ASTM B704, AMS 5581, ISO 6207, VdTüV 499, BS 3074NA21, DIN 17751 |
| Fittings content |
ASTM B366 |
| Forgings content |
ASTM B564, AMS 5666 |
| Weld Wire content |
AWS A5.14 ERNiCrMo-3, AWS A5.11 ENiCrMo-3, DIN 1736 SG NiCr20Mo9Nb |
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