Incoloy 803 Plates/Bars/Tubes

Incoloy 803 is a high-performance nickel-iron-chromium alloy engineered for superior resistance to oxidation, sulfidation, and carburization at elevated temperatures. With enhanced creep strength and excellent corrosion resistance in aggressive environments, this alloy is ideal for applications requiring prolonged exposure to high temperatures.

Product Parameters

Specification	Details
Material Grade	Incoloy 803
Standard Compliance	ASTM B409, ASME SB409, UNS N08803
Forms Available	Sheets, Plates, Bars, Pipes, Tubes, Fittings
Size Range	Customizable as per project requirements
Surface Finish	Bright, Annealed, Pickled, Polished
Heat Treatment	Solution Annealed at 1120-1175°C
Scope of Application	Industrial Furnaces, Petrochemical Processing, Power Plants, Heat Exchangers, Reformer Tubes, Thermal Processing Equipment, Superheater Tubes

Physical Properties

Property	Value
Density (g/cm³)	7.94
Melting Point (°C)	1350-1400
Thermal Conductivity (W/m·K)	12.1
Electrical Resistivity (µΩ·m)	1.05

Mechanical Properties

Property	Value
Tensile Strength	≥ 550 MPa
Yield Strength (0.2% Offset)	≥ 230 MPa
Elongation (%)	≥ 30
Hardness (HBW)	≤ 200 HB
Creep Rupture Strength (at 800°C for 1000h)	≥ 100 MPa

Why Choose Sunning Steel for Incoloy 803?

✅ High-Quality Standards – Manufactured to ASTM, ASME, and UNS specifications.
✅ Custom Processing Available – Cutting, machining, and surface finishing options.
✅ Competitive Pricing – Best value for high-performance nickel alloys.
✅ Global Supply Network – Fast and reliable worldwide shipping.
✅ Dedicated Customer Support – Expert technical and purchasing assistance.