Alloy 330 / Stainless Steel 330

Technical Data Sheet

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.

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

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

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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.