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Hastelloy G-3 (UNS N06985) supplier — ASTM B582. Resistant to phosphoric acid, sulfuric acid, and chlorides. Chemical processing, flue gas desulfurization. Bar and plate.

Hangbo Alloy Group offers a diverse range of materials, including round bars, steel plates, strips, seamless pipes, forged products, and wire. Below is a comprehensive overview of HASTELLOY G3:
Introduction to Hastelloy G3
Hastelloy G3 is a nickel-chromium-molybdenum-iron alloy specifically designed to deliver exceptional resistance to both oxidizing and reducing corrosive environments. This alloy stands out for its superior resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh media containing chloride ions, sulfuric acid, and phosphoric acid—making it ideal for applications involving highly aggressive chemicals.
Equivalent Grades by Country:
USA: UNS N06985
DIN: NiCr21Mo14W (2.4619)
International Standards for Hastelloy G3 Products
Plate, Sheet & Strip:ASTM B575, ASME SB-575
Round Bar:ASTM B574, ASME SB-574
Seamless Pipe & Tube:ASTM B622, ASME SB-622
Welded Pipe & Tube:ASTM B619, ASTM B626, ASME SB-619, ASME SB-626
Forging:ASTM B462, ASME SB-462
Fittings:ASTM B366, ASME SB-366; ASTM B462, ASME SB-462
Chemical Composition of Hastelloy G3
| Channel | Details |
|---|---|
| Website | www.nickel-alloy.com |
| sales@hangboalloy.com | |
| hangbo@nickel-alloy.com | |
| WhatsApp / Phone | +86 13611656360 |
| Skype | +86 13611656360 |
| Address | Shanghai, China |











