330(Ni-Cr)

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1. Introduce

– Alloy designed for application in high temperature environments requiring carbonization and oxidation resistance and thermal shock resistance

– Excellent oxidation resistance up to approximately 1148°C and tensile strength is maintained during repeated thermal cycling

– UNS N08330

2. Property

– High temperature strength, corrosion resistance, corrosion resistance, carbonization and oxidation resistance, thermal shock resistance, good heat resistance

Element	Impact
Ni, Cr	Provides high temperature strength, corrosion resistance, oxidation and carbonization resistance
Si	Provides carbonization and oxidation resistance

[330 Chemical Composition (%)]

C	Mn	P	S
0.08	2.0	0.03	0.03

Si	Cr	Ni	Fe
0.75~1.50	19.0	36.0	Bal.

[330 Mechanical Properties]

Tensile Strength (Mpa)	Yield Strength (Mpa)	Elongation (%)
550	260	40

[330 Physical Properties]

Density (g/㎤)	Melting Range (℃)	Specific Heat (0-100℃), J/kg*℃
8.0	1400~1425	460

3. Standard & Specification

– Specification : UNS N08330

ASME	SB511, SB512, SB535, SB536, SB710, SB739
DIN	1.4333, 1.4864
SAE	J405, J412

Product Form	ASTM	AMS
Bar, Rod, Forgings	B511, B512	5716
Plate, Sheet	B536	5592
Pipe, Tube	B535, B546, B710, B739	–

4. Available Form

– Bar, Rod

– Sheet, Plate, Strip

– Pipe, Tube

– Wire, Coil

5. Application & Product

– Chemical and petroleum, heat treatment, power generation

Application	Product
Chemical & Petroleum	Heat exchangers, Flares, Petrochemical furnace parts
Heat treatment	Heat treatment furnace vessels, High temperature fans
Power generation	Boiler equipment, Gas turbine parts