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| Customization: | Available |
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| Type: | Ring |
| Standard: | AISI, ASTM, DIN, JIS, GB, BS |
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Product Introduction:
INCOLOY 330 (UNS N08330) is an austenitic nickel-iron-chromium alloy designed for excellent resistance to oxidation, carburization, and thermal shock at high temperatures. It maintains superior strength and structural stability even under cyclic heating and cooling conditions. This alloy is widely used in industrial furnaces, petrochemical equipment, and heat treatment fixtures.
Key Features:
Outstanding resistance to oxidation and carburization up to 1150°C (2100°F)
Excellent mechanical strength at high temperatures
Superior resistance to thermal fatigue and creep
Good weldability and fabricability
Long service life in severe furnace environments
Typical Applications:
Heat treatment trays, fixtures, baskets, and furnace parts
Petrochemical reformer tubes and catalyst supports
Industrial furnace components and radiant tubes
Thermal processing and annealing equipment
Standards and Designations:
UNS: N08330
W.Nr.: 1.4886
ASTM: B511 / B512 / B535 / B546 / B710
ASME: SB511 / SB512 / SB535 / SB546 / SB710





Q1: What is the main advantage of INCOLOY 330?
A1: It provides excellent oxidation and carburization resistance, making it ideal for high-temperature industrial environments such as heat treatment and petrochemical processes.
Q2: What is the maximum service temperature for INCOLOY 330?
A2: The alloy can be used continuously up to approximately 1150°C (2100°F).
Q3: Is INCOLOY 330 easy to weld and fabricate?
A3: Yes, it can be welded by standard methods including GTAW (TIG), GMAW (MIG), and SMAW (stick welding). It also has good machinability and formability.
Q4: What are the typical product forms available?
A4: Bars, rods, pipes, tubes, plates, sheets, and forged rings are commonly supplied.
Q5: How does INCOLOY 330 compare to INCONEL 600 or 601?
A5: INCOLOY 330 has higher iron content and better carburization resistance than INCONEL 600 or 601, making it more suitable for furnace and heat treatment applications.
Q6: Are inspection certificates provided?
A6: Yes, EN 10204 3.1 / 3.2 certificates are available, including full chemical analysis and mechanical test reports.
Q7: What is the delivery time?
A7: Usually 7-15 working days for stock materials, and 20-30 days for custom-machined or special-size rings.
Q8: Do you offer price discounts for large quantities?
A8: Yes. We provide big price discounts for bulk orders or long-term cooperation projects. Please contact us for a detailed quotation.
You can contact us through the following methods
Online support: Visit our website for live chat
Address: 300 Meters North of Liaoniu Road and Xindong Ring Road, Liaocheng High-Tech Zone, Liaocheng, Shandong, China
We look forward to providing you with high-quality products and services!
If you have any other questions, feel free to contact us, and we will do our best to assist you!