Hastelloy G-30: high-chromium nickel-iron-molybdenum-copper-tungsten alloy offering superior wet process phosphoric acid resistance, excellent nitric and oxidizing acid performance, good reducing acid and localized corrosion resistance, and excellent weldability without post-weld heat treatment. UNS N06030. W.N.r2.4603.
Hastelloy G30 is a nickel-based alloy designed for superior corrosion resistance in highly aggressive environments. It offers excellent performance in phosphoric acid, sulfuric acid, and mixed acid conditions, making it a reliable choice for chemical processing industries
Hengyi Metal offers high-quality HastelloyG-30 with competitive pricing and fast delivery
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Key Advantages of Hastelloy G30
Excellent resistance to phosphoric acid and sulfuric acid
Outstanding performance in oxidizing environments
Improved corrosion resistance compared to G3 alloy
Reliable durability in harsh chemical conditions
Good fabrication and welding properties
Applications
Phosphoric acid production equipment
Fertilizer industry systems
Chemical processing plants
Heat exchangers
Pickling and acid handling equipment
Related Products:
Hastelloy C276
Incoloy 825
Inconel 625
Related Articles
Hastelloy C22 vs C276 Comparison
Chemical composition
% | Ni | Cr | Mo | Fe | Co | C | Mn | Si | P | S | Cu | Al |
min | balance | 22.0 | 15.0 | 1.3 | ||||||||
max | 24.0 | 17.0 | 3.0 | 2.0 | 0.010 | 0.50 | 0.08 | 0.025 | 0.010 | 1.9 | 0.50 |
Specifications & Standards
Hastelloy G-30 is available in a wide range of product forms including plate, sheet, strip, bar, wire, pipe, tube, fittings, and covered electrodes.
| Product Form | ASTM / ASME Specifications | AWS |
|---|---|---|
| Plate, Sheet, Strip | ASTM B582, ASME SB582 | – |
| Bar & Rod | ASTM B581, ASME SB581 | – |
| Seamless Pipe & Tube | ASTM B622, ASME SB622 | – |
| Welded Pipe | ASTM B619, ASTM B775 | – |
| Welded Tube | ASTM B626, ASTM B751 | – |
| Fittings | ASTM B366, ASME SB366 | – |
| Forgings | ASTM B462 | – |
| Wire (Filler Metal) | – | AWS A5.14 ERNiCrMo-11 (UNS N06030) |
| Covered Electrodes | – | AWS A5.11 ENiCrMo-11 (UNS W06030) |
Note: Hastelloy is a registered trademark of Haynes International, Inc.
Alloy | ASTM | DIN | GB | |
|---|---|---|---|---|
New grades | Old grades | |||
| Hastelloy C-22 | UNS N06022 | 2.4602 | NS3308 | |
| Hastelloy C-276 | UNS N10276 | 2.4819 | NS3304 | NS334 |
| Hastelloy C-4 | UNS N06455 | 2.4610 | ||
| Hastelloy C-2000 | UNS N06200 | 2.4675 | ||
| Hastelloy C-59 | UNS N06059 | 2.4605 | ||
| Hastelloy B | UNS N10001 | NS3201 | NS321 | |
| Hastelloy B-2 | UNS N10665 | 2.4617 | NS3202 | NS322 |
| Hastelloy B-3 | UNS N10675 | 2.4615 | NS3203 | |
| Hastelloy X | UNS N06002 | 2.4613 | ||
| Hastelloy G30 | UNS N06030 | 2.4603 | ||











