Incoloy Pipes Manufacturer

Midland Alloys Inc. is a trusted Manufacturer and Supplier of Incoloy pipes, offering seamless and welded types in grades like 800, 800H, 800HT, 825, and 925. These nickel-iron-chromium alloy pipes are known for excellent corrosion and heat resistance, with chemical compositions including nickel, chromium, iron, and additions like molybdenum, copper, or titanium. We also supply matching fittings such as elbows, tees, reducers, and flanges. All products comply with ASTM B407/B514, ASME SB407/SB514, and DIN/EN standards. With ISO-certified processes and ready stock, we serve global markets with reliable export support.

Benefits of Incoloy Pipes

Incoloy pipes are known for their performance in harsh industrial settings. These alloys combine durability, heat resistance, and corrosion resistance, making them ideal for chemical, petrochemical, and marine applications.

Corrosion Resistance:
This material can resist corrosion in both acidic and alkaline environments, making it suitable for harsh industrial applications. It performs well when exposed to chemicals like sulfuric and phosphoric acids. This kind of durability lowers maintenance requirements and increases the equipment’s durability.

High-Temperature Performance:
It maintains its mechanical strength, and is resistant to oxidation even at elevated temperatures. This makes it well suited for application in heat exchangers, furnaces and power plants. It remains stable and does not easily weaken under thermal stress.

Strength and Durability:
The material offers high tensile strength and can withstand mechanical stress without cracking or deforming. It holds up well under pressure and mechanical loads. This durability ensures long service life even in demanding conditions.

Oxidation and Carburization Resistance:
It forms a protective oxide layer that prevents oxidation in extreme temperatures. Additionally, it is resistant to carburization, which is a process where carbon normally corrodes the material. It is thus ideal for heat treatment and petrochemical apparatus.

Weldability and Formability:
It can be easily welded and shaped without losing its mechanical properties. It results in easy fabrication all the way through the manufacturing process. Without sacrificing functionality, it simplifies installation, and repairs.

Difference Between Incoloy Pipes and Inconel Pipes

Incoloy and Inconel pipes are both composed of nickel-based alloys but are designed for various performance requirements based on their thermal capabilities and composition. Incoloy pipes consist mainly of nickel, iron and chromium, which is suitable for moderately corrosive conditions as well as in high-temperature applications that do not involve extreme conditions. Inconel pipes contain a higher level of nickel and chromium, which provides them with higher strength and resistance in more hostile, high-temperature, and highly corrosive environments. The primary difference is in composition Incoloy has a higher content of iron, whereas Inconel has higher concentrations of nickel and chromium. Consequently, Inconel works more effectively in scorching temperatures, and provides better corrosion protection, especially in oxidizing and severe chemical environments, making it most suitable for more aggressive industrial applications.

Specification of Incoloy Pipes

Types of Incoloy Pipes

Manufacturing Types

Seamless Pipe

Weld-free, perfect for even strength and sizing precision.
Welded Pipe

Welded from flat-rolled steel, widely used where economy and large sizes are required.
ERW Pipe

Electric Resistance Welded (ERW) pipes provide neat, high quality weld seams and are ideal for medium-pressure applications.
EFW Pipe

Electric Fusion Welded (EFW) pipes are welded by fusion welding, usually applied in larger diameters and high-demand processes.

Pipe Forms

Round Pipe

The most common shape for fluid and gas transport.
Square Pipe

Used in architectural and structural applications requiring angular profiles.
Rectangular Pipe

Provides greater strength in load-bearing regions and flat structures.
Hydraulic Pipe

Designed to provide precise dimensional control for fluid systems under pressure.

Contact Midland Alloys Inc. for Your Incoloy Pipes Needs

Contact us today to discuss how Incoloy Pipes can benefit your application. Whether you need guidance in selecting the right pipes or have specific requirements, our team of experts is here to help you find the optimal solution.

Incoloy Pipes Grades We Offer

Incoloy Pipes

Incoloy 800/800H/800HT Pipes

Incoloy 825 Pipes

Pipe Dimensions

Thickness Chart

Pipe Dimensions

Thickness Chart

Manufacturing Process of Incoloy Pipes

Round Bar

Analytic

Cut to Length

Centering

Heating

Perforation

Inspection of Size

Pickling

Inspection of Surface

Lubricating

Cold Drawing (Cold Rolling)

Degreasing

Annealing

Straightening

Cut

Pickling / Passivating

Inspection

Analytic

Marking

Packing & Shipping

Applications of Incoloy Pipes

Incoloy pipes find extensive application in industries where corrosion resistance and heat resistance are essential. They find application in chemical processing, nuclear plants, oil and gas refineries, shipbuilding, and pollution control systems. Incoloy’s superior resistance to oxidation, and carburization makes them best suited for use in heat exchangers, pressure vessels, furnace parts and other applications involving high temperatures. They are also appropriate for offshore drilling and piping under demanding service conditions due to their performance in sour gas and acidic environments.

Offshore Industry

Nuclear Industries

Refineries

Ship Building

Aerospace

Pharmaceutical

Why Choose Midland Alloys Inc. for Incoloy Pipes

Midland Alloys Inc. provides precision-engineered Incoloy pipes supported by technical expertise, international standards compliance and steady availability. The company provides customized piping solutions to industries internationally, by ensuring dependability and long-term performance in crucial applications, due to their strong logistics network, in-depth knowledge of material performance, and ISO certification for quality assurance.

Frequently Asked Questions About Incoloy Pipes

Is INCOLOY better than copper?

Compared to copper, incoloy has better strength, corrosion resistance and heat resistance particularly in chemical, or high-temperature environments.

What is the difference between Hastelloy and INCOLOY?

Hastelloy is a nickel-molybdenum alloy, that has excellent resistance to corrosion in strong acids, while Incoloy is a nickel-iron-chromium alloy designed for high temperatures and moderate corrosion.

Products Categories

ISO Certificate

Alloy	Product form	Dimension
INCOLOY 800 (32 Ni/21 Cr)	Pipe; cold drawn, pickled, annealed	13.72 x 2.24 mm (¼"nb sch40s)
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; seamless, cold finished, solution annealed	26.67 x 3.91 mm (¾"nb sch80s)
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; cold drawn, pickled, solution annealed	33.40 x 3.38 mm (1"nb sch40s)
ALLOY 800HT (32 Ni/21 Cr)	Pipe; seamless, cold finished, annealed	33.40 x 4.55 mm (1"nb sch80s)
ALLOY 800HT (32 Ni/21 Cr)	Pipe; seamless, cold finished, annealed	48.26 x 3.68 mm (1½"nb Sch40s)
INCOLOY 800 (32 Ni/21 Cr)	Pipe; cold drawn, pickled, annealed	50.8 x 2.64 mm
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; cold drawn, pickled, solution annealed	60.33 x 3.91 mm (2"nb sch40s)
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; cold drawn, pickled, solution annealed	60.33 x 2.77 mm (2"nb Sch10s)
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; cold drawn, pickled, solution annealed	60.33 x 3.91 mm (2"nb sch40s)
INCOLOY 800HT (32 Ni/21 Cr)	Pipe; cold drawn, pickled, solution annealed	88.90 x 5.49 mm (3"nb sch40s)
ALLOY 800HT (32 Ni/21 Cr)	Pipe; seamless, hot finished, pickled, passivated	114.3 x 6.02 mm (4"nb sch40s)

Nominal	O.D. Inches	10s	10	40s & Std	40	80s & E.H.	80	160
1/8	.405	.049	.049	.068	.068	.095	.095
1/4	.540	.065	.065	.088	.088	.119	.119
3/8	.675	.065	.065	.091	.091	.126	.126
1/2	.840	.083	.083	.109	.109	.147	.147	.187
3/4	1.050	.083	.083	.113	.113	.154	.154	.218
1	1.315	.109	.109	.133	.133	.179	.179	.250
1 1/4	1.660	.109	.109	.140	.140	.191	.191	.250
1 1/2	1.900	.109	.109	.145	.145	.200	.200	.281
2	2.375	.109	.109	.154	.154	.218	.218	.343
2 1/2	2.875	.120	.120	.203	.203	.276	.276	.375
3	3.500	.120	.120	.216	.216	.300	.300	.437
3 1/2	4.000	.120	.120	.226	.226	.318	.318
4	4.500	.120	.120	.237	.237	.337	.337	.531
4 1/2	5.000			.247		.355
5	5.563	.134	.134	.258	.258	.375	.375	.625
6	6.625	.134	.134	.280	.280	.432	.432	.718
7	7.625			.301		.500
8	8.625	.148	.148	.322	.322	.500	.500	.906
9	9.625			.342		.500
10	10.750	.165	.165	.365	.365	.500	.593	1.125
11	11.750			.375		.500
12	12.750	.180	.180	.375	.406	.500	.687	1.312
14	14.000	.188	.250	.375	.437	.500	.750	1.406
16	16.000	.188	.250	.375	.500	.500	.843	1.593
18	18.000	.188	.250	.375	.562	.500	.937	1.781