Alloy 330(UNS N08330) (China Trading Company) - Bars, Rods, Angles, and Stainless Steel Shapes - Metallurgy & Mining Products

Alloy 330(UNS N08330)

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Category:	Metallurgy , Mining & Energy / Metallurgy & Mining / Bars, Rods, Angles, and Stainless Steel Shapes
Label:	High Performance , Alloy 330 , UNS N08330
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Product Description

*Similar Grade

Trademark	UNS	W-Nr.
Alloy 330	N08330	1.4886

*Product Forms

Pipe, Tube, Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

*Brief

Alloy 330 (UNS N08330) is an austenitic nickel-iron-chromium alloy developed to provide excellent resistance to carburizing and oxidizing atmospheres at elevated temperatures. With a nickel content of 34 to 37 percent, the alloy remains highly resistant to both chloride stress corrosion cracking and embrittlement from the precipitation of sigma phase. It is readily fabricated using standard procedures for stainless steel and nickel alloys. The alloy is used extensively in elevated temperatures where resistance to the combined effects of thermal cycling and carburization is required.

*Chemical Composition,%

%	Ni	Cr	Fe	C	Mn	Si	P	S
Min	34.0	17.0	Rest			0.75
Max	37.0	20.0	Rest	0.08	2.00	1.50	0.03	0.03

*Typical Physical & Mechanical Property(Solution Annealed)

Density	Melting point	Tensile strength, MPa	Yield strength, MPa	Elongation,%
8.08g/cm3	1380-1420℃	552-586	207-296	40-45

*Specification

Rod, Bar, Wire, Forgings	ASTM B536/ASME SB536
Plate, Sheet, Strip	ASTM B536/ASME SB536
Others	ASTM B366/ASME SB366(Fittings)

*Feature

Corrosion Resistance
Alloy 330 provides a high level of corrosion resistance, particularly to oxidation, carburization, and nitridation. In aqueous environments the chromium content of 330 provides resistance to oxidizing conditions, while the nickel content enhances resistance to reducing conditions. The alloy’s high nickel content also makes it highly resistant to chloride stress corrosion cracking and sigma phase embrittlement.
Oxidation Resistance
Alloy 330 has good oxidation resistance and resists scale formation up to about 2000°F (1095°C). Any scale which is formed is tightly adherent, particularly under cyclic conditions of heating and cooling.
Carburization Resistance
The alloy's 35 percent nickel content and silicon addition contribute greatly to its excellent resistance to carburization. In alternating carburizing and oxidizing atmospheres, Alloy 330 exhibits excellent resistance to the ‘green rot’ phenomenon.
Nitridation Resistance
Alloy 330 exhibits good resistance to nitrogen-containing atmospheres where the oxygen content is low. It is used extensively in components handling cracked ammonia.