Alloy 330 / Stainless Steel 330

Technical Data Sheet


Chemical Composition Limits
Weight% Cr Ni Si C Mn P S Fe Mo Cu Sn Pb
330 17-20 34-37 0.75-1.5 0.08 max 2.00 max 0.030 max 0.030 max Bal 0.75 max 0.50 max 0.025 max 0.005 max

Alloy 330 is an austenitic heat and corrosion resisting alloy which has an exceptional combination of strength and resistance to carburization, oxidation and thermal shock. Alloy 330 is used in a wide range of applications in high temperature industrial environments.

Typical Mechanical Properties


Material Ultimate Tensile Strength (ksi) 0.2 % Yield Strength (ksi)
% Elongation in 2" Rockwell B Hardness
Alloy 330 Annealed 70 25 30


Alloy 330 is available in Bar (Round), Wire, Forgings, Rings, Sheet, Strip, Plate. For all stock availability contact Sales.

AMS 5592 Sheet / strip/ plate
AMS 5716 Bars / wire / forging
ASTM B511 / ASME SB511
ASTM B512 / ASME SB512
ASTM B535 / ASME SB535
ASTM B536 / ASME SB536
ASTM B710 / ASME SB710
ASTM B739 / ASME SB739
WS 1.4886
UNS N08330

At Aircraft Materials all stock items can be shipped out within 24 hours, usually within the same day. Even cutting orders for bar or sheet can be processed and dispatched the same day, and for time-critical situations such as AOGs, we have a dedicated AOG service desk ready to help (

Thanks to our global logistics network we can source from anywhere in the world in just a few days. We use a range of transport partners to enable us to ship overnight within the U.K. and Europe and provide fast shipping solutions to the rest of the world. If your requirement is urgent we can offer a priority shipping service, but also if time is not so critical we can offer more cost-effective options to ensure you get the best value for money. To find out more about our services click here.

Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.

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