Alloy Steel Tube / Pipe

Shape Tube
Surface Treatment Polished
Special Use High-strength Steel Plate, Wear Resistant Steel, Silicon Steel, Cold Heading Steel, Free Cutting Steel, Mold Steel, High Temperature Resistance
Application Aircraft and Industrial Gas Turbine Components

Categories: Alloy Steel Series

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Description

Product Description

Incoloy 800 (Alloy Steel 800)
Chemical Composition
Nickel (Ni)	30 – 35	Provides corrosion resistance and high-temperature strength
Chromium (Cr)	19 – 23	Forms dense chromium oxide film, enhancing oxidation and corrosion resistance
Iron (Fe)	39.5 – 46	Forms the alloy matrix together with nickel
Aluminum (Al) + Titanium (Ti)	≤0.15 – 0.60	Precipitation strengthening via γ′ phase, improving creep resistance
Copper (Cu)	≤0.75	Optimizes adaptability in specific corrosive environments
Carbon (C)	≤0.10	–
Silicon (Si)	≤1.0	–
Manganese (Mn)	≤1.5	–
Sulfur (S)	≤0.015	–
Phosphorus (P)	≤0.015	–

Mechanical Properties
Room Temperature	Tensile strength ≥ 172 MPa; Yield strength ≥ 415 MPa; Elongation ≥ 30%; Impact toughness ≥ 98 J
High Temperature	Oxidation resistance temperature up to 815, maintaining high strength and toughness
Creep Properties	For nuclear-grade 800HT, carbon content ≥ 0.05% is required to enhance creep resistance

Typical Applications
1.Petrochemical: High-temperature heat exchangers, cracking furnace tubes 2.Nuclear Energy: Nuclear fuel processing equipment, high-temperature components in nuclear systems 3.Aerospace: High-temperature gas pipelines, heat treatment equipment 4.Others: Structural parts in corrosive and high-temperature environments

Incoloy A-286 Sheet/bar/pipe

Physical properties

Density: 7.94 g/cm³

Melting range: 1370-1430

Features: Incoloy A-286 is an age-hardenable alloy which can withstand oxidation and retain good strength at temperatures up to about 700. It can be readily formed by standard processes for stainless steels and nickel alloys.

Applications: Aircraft and industrial gas turbine components that are subject to high levels of heat and stress at service temperatures up to 700 such as turbine wheels and blades, frames, superchargers and afterburner parts. It is also used in fasteners of automotive engines.

Chemical composition

%	Fe	Ni	Cr	C	Si	Mn	P	S	Ti
min	balance	24	13.5						1.9
max	balance	27	16	0.08	1	2	0.04	0.03	2.35

Inconel N06230, Inconel 601, Inconel 783, Inconel 706, Inconel 625, Inconel 939

Inconel N06230

Super alloys are high performance alloys that are known for their excellent mechanical strength and resistance to creep at elevated temperatures, good surface stability, and good corrosion and oxidation resistance.

Super alloy INCONEL N06230 is a carbide strengthened nickel-chromium-tungsten-molybdenum alloy. This alloy is known for its superior combination of stability, strength and resistance to corrosion at elevated temperatures. It also provides good resistance to oxidation at temperatures greater than 980°C (1800°F) and good resistance to carburization and nitridation.

Inconel 601 Sheet/bar/pipe
Features: Inconel 601 has good resistance to heat and corrosion, especially outstanding to oxidation at elevated temperatures up to 1200. It also has high strength, good fabricability and good resistance to aqueous corrosion.Applications: Chemical process industry, waste incinerators, power generation equipment, heat treating equipment, and gas turbine engine components.

Inconel 783
Super alloys are also known as high performance alloys specially designed to cater to environments with very high temperature of above 540°C (1000°F) where deformation resistance and high surface stability are essential.

Super alloy INCONEL 783 is a nickel-cobalt-iron alloy with chromium, aluminum, and niobium additions. It has oxidation-resistance, low coefficient of thermal expansion.

This alloy can be strengthened by a precipitation-hardening heat treatment. The presence of aluminum provides this alloy excellent resistance to oxidation at high temperature.

Inconel 706
Super alloys are also known as high performance alloys. They have good creep and oxidation resistance, and are formed in different shapes. They can be strengthened by solid-solution hardening, work hardening, and precipitation hardening. They are classified into three groups such as cobalt-based, nickel-based, and iron-based alloys. They have the ability to function under high temperatures and severe mechanical stress, and also where high surface stability is required.

Inconel 625 Sheet/bar/pipe
Features: Inconel 625 has excellent strength at temperatures up to 816. At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys. Inconel 625 has good oxidation resistance at temperatures up to 980 and shows good resistance to aqueous corrosion, but is relatively moderate compared to other more capable corrosion resistant alloys.

Applications: Chemical process industry and sea water application. Inconel 625 is used in short term applications at temperatures up to 816. For long term service, it is best restricted to a maximum of 593, because long term exposure above 593 will result in significant embrittlement.

Inconel 939
Inconel 939 is an advanced nickel-based alloy specifically designed for high-temperature applications. It can operate reliably at temperatures up to 850°C, offering exceptional creep strength, corrosion resistance, and oxidation resistance.

This alloy is widely used in the manufacturing of critical components such as gas turbine blades, vanes, and burner nozzles. Its superior mechanical properties come from a dendritic gamma (γ) matrix reinforced with gamma-prime (γ′) precipitates, which provide outstanding strength and durability under extreme conditions.

Inconel 939 is typically supplied as a solid cast, with a high volume of γ′ phase that enhances its high-temperature performance. Heat treatment processes further optimize its microstructure, ensuring long-term stability, excellent mechanical properties, and reliable performance in demanding environments.

Element	Inconel N06230	Inconel 601	Inconel 783	Inconel 706	Inconel 625	Inconel 939
Ni	47.49–65.19	58–63	26–30	39–44	58–	Bal.
Cr	20–24	21–25	2.5–3.5	14.5–17.5	20–23	20–23
W	13–15					0–3
Co	0–5		Rest	0–1	0–1	18–20
Fe	1–3	balance	24–27	0–38	0–5	0–0.5
Mo	3				8–10
Mn	0.3–1	0–1	0–0.5	0–0.35	0–0.5	0–0.5
Si	0.25–0.75	0–0.5	0–0.4	0–0.35	0–0.5	0–0.5
Al	0.2–0.5	0–1.7	5–6	0–0.06	0–0.4	0–2
C	0.05–0.15	0–0.1	0–0.03	0–0.3	0–0.1	0–0.15
P	0–0.015		0–0.015	0–0.015	0–0.015	0–0.002
S	0–0.015			0–0.015	0–0.015	0–0.002
B	0.005–0.05		0–0.012	0–0.006		0–0.015
La	0–0.005
Cu		0–1	0–0.5	0–0.35
Nb			2.5–3.5	2.5–3.3	3.15–4.15	0–1.2
Ta						0–2
Ti			0–0.03	0–0.02	0–0.4	0–4
Zr						0–0.15

CN3MN

Corrosion Resistance: CN3MN exhibits excellent performance in acidic environments containing hydrogen sulfide and in chloride media. Its mechanical properties are superior to those of 904L stainless steel.
Applicable Standards: Included in ASME SA-351/SA-351M-2021 standards; commonly used for heat-resistant steel and stainless steel castings.
Temperature Range: Suitable for extreme conditions from -196°C to 400°C.
Material Type: Often classified as austenitic cast steel or a nickel-based alloy derivative by some suppliers.

UNS S32760, 1.4501, Super Duplex Stainless Steel

Workability: Type 321 stainless steel is designed for cold workability, but warranting extra caution due to its higher proof stress and lower elongation in comparison to Type 304.

Weldability: The UNS S32760 welding consumables provide reliable high-strength welds when used with appropriate techniques. During welding, the interpass temperature should be kept at or below 100 to avoid the formation of intermetallic compounds, and no preheating is required. Achieve confident trustworthiness in your welds.

Heat Treatment: This premium grade steel is heat-treated to a solution treatment temperature of 1080-1120 to maximize its strength and durability. After heating, it must be cooled rapidly to avoid embrittlement temperatures and ensure a reliable performance.

Pickling: Our pickling solution is composed of a mixture of nitric and fluoric acid, providing an optimal balance of strength and durability. The result is a descaling process that is more difficult than Type 304, but can be improved when used with an alkali bath before pickling and by shot blasting if possible.

Applications: This 1.4501, UNS S32760 product is an ideal choice for many industrial applications. Its superior strength and heat resistance make it perfect for chemical plants, chemical tankers, seawater desalination systems, and seawater pumps. Enjoy peace of mind with its unparalleled reliability and performance.

CN3MN
Grade / Standard	Description	Typical Applications	Key Features
J93254	Direct equivalent to CN3MN, high corrosion-resistant stainless steel	Chemical pressure vessels, heat exchangers	Excellent corrosion resistance, mechanical properties superior to 904L
CK3MCuN	Derivative grade similar to CN3MN, enhanced pitting resistance	Halide-containing environments, chemical equipment	Excellent pitting and crevice corrosion resistance
ASTM CN3MN	ASTM-standardized grade	Wear-resistant steel plates, industrial materials	Meets ASTM specifications, durable in industrial applications