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HASTELLOY G30 (N06030)

G-30® Alloy
UNS N06030
Trade Name: Hastelloy®

HASTELLOY® G-30® alloy is a high chromium nickel-base alloy which shows superior corrosion resistance over most other nickel- and iron-base alloys in commercial phosphoric acids as well as many complex environments containing highly oxidizing acids such as nitric/hydrochloric, nitric/hydrofluoric and sulfuric acids.

The resistance of G-30 alloy to the formation of grain boundary precipitates in the heat-affected zone makes it suitable for use in most chemical process applications in the as-welded condition. (Information provided by Haynes International, Inc.)

ASME Boiler and Pressure Vessel Specifications
Sheet/ Plate Forgings Weld Fittings Rod and Bar Tubing – Welded/ Smls Pipe – Welded/ Smls Bolting- Bolts/ Nuts Filler Metals
SB582 NA SB366 SB581 SA626/  SB619/   SB622 SB581-G30/ SB581-G30 ERNiCrMo-11


ASME Boiler and Pressure Vessel Chemical Requirements for Sheet/Plate
Note: all percentages max unless otherwise specified
Ni Cr Fe Mo Cu Mn Co C W Si P S Nb+Ta
Rem 28.0-31.5 13.0-17.0 4.0-6.0 1.0-2.4 1.5 5.0 0.03 1.5-4.0 0.8 0.04 0.02 0.30-1.50


ASME Boiler and Pressure Vessel Mechanical Properties for Sheet/Plate
Tensile Strength, Min ksi  Yield Strength, (0.2% offset), Min, ksi  Min. Elongation in 2″, % Density lb/in³
85 35 30.0 0.297


Limitation of Liability and Disclaimer of Warranty: In no event will South Coast Industrial Metals or any of its affiliates be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. South Coast Industrial Metals, Inc. assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.