Incoloy Alloy 803 PIPE
Incoloy Alloy 803 PIPE
Incoloy Alloy 803 PIPE
Incoloy Alloy 803 PIPE

Incoloy Alloy 803 PIPE

INCOLOY alloy 803 (UNS S35045), an iron-nickel-chromium alloy, is designed for use in petrochemical, chemical and thermal processing applications. The nickel and chromium contents of alloy 803 are higher than those of INCOLOY alloys 800H and 800HT®. The ratios of nickel, iron and chromium are balanced to provide optimum properties in the temperature range of 1550°F (840°C) to 2100°F (1150°C). Alloy 803 is a cost-effective material which provides an exceptional level of high-temperature corrosion resistance in oxidation, sulfidation and carburization environments. INCOLOY alloy 803 exhibits excellent stress-rupture strengths at elevated temperatures. These characteristics, along with a high resistance to carburization and cyclic oxidation, make INCOLOY alloy 803 the material of choice for many severe applications including ID-finned pyrolysis tubing in high-severity ethylene furnaces.

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Product Introduction

Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of incoloy alloy 803 pipe in China. If you're going to wholesale high quality incoloy alloy 803 pipe made in China, welcome to get free sample from our factory. Good service and reasonable price are available.

Incoloy Alloy 803 pipe is a high performance nickel iron chromium alloy pipe with excellent corrosion resistance and good high temperature strength. This alloy combines the corrosion resistance of nickel with the strengthening effects of iron and chromium, making it highly stable and durable in a variety of harsh environments.

The chemical composition of Incoloy 803 is uniquely designed and contains a high content of nickel (approximately 65%), as well as important alloying elements such as chromium (approximately 20%) and iron (approximately 12%). The addition of chromium not only improves the oxidation corrosion resistance of the alloy, but also enhances its corrosion resistance in reducing environments. The alloy also contains small amounts of manganese, silicon, copper and molybdenum, which work together to further enhance the material's corrosion resistance and mechanical properties.

Incoloy 803 shows excellent mechanical properties, such as high strength and good toughness, both at room temperature and high temperature. This allows it to be used under conditions of withstanding large stresses and complex loads, especially its performance in high-temperature environments is its salient feature. For example, in the chemical industry, heat treatment equipment and marine engineering applications, Incoloy 803 pipes can withstand continuous thermal cycling and chemical corrosion, showing long-term stability and reliability.

Physical Properties

Density	g/cm3	7.86
Density	lb/in.3	0.284
Melting Range	°F	2490 - 2555
Melting Range	°C	1395 - 1430
Young's Modulus (70°F)	103 ksi	28.3
Young's Modulus (70°F)	GPa	195
Shear Modulus (70°F)	103 ksi	10.7
Shear Modulus (70°F)	GPa	73.8
Poisson's Ratio at 70°F (20°C)	10	0.32
Permeability at 200 oersted (15.9 kA/m)		1.001
Specific Heat	Btu/lb•°F	0.114
Specific Heat	J/kg•°C	479

Mechanical Properties

Form and Condition	Tensile Strength		Yield Strength (0.2% Offset)		Elongation
Form and Condition	ksi	MPa	ksi	MPa	%
Tubing, Cold-drawn & Solution Annealed	85-91	586-627	40-45	275-310	45-50
Plate, Hot-rolled & Solution Annealed	83-88	572-607	40-43	275-296	43-47
Sheet, Cold-rolled & Solution Annealed	80-90	552-621	40-48	275-331	40-45
Rod, Hot-finished & Solution Annealed	83-88	572-607	30-37	207-255	45-50

Incoloy Alloy 803 PIPE

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