Feb 01, 2024
Nickel Alloy Steel Pipe
Nickel alloy steel pipe is a special type of alloy steel pipe, which is notable for containing a large amount of nickel as its main alloying element.
Nickel alloy steel pipe is a special type of alloy steel pipe, which is notable for containing a large amount of nickel as its main alloying element. Nickel is a metal with excellent mechanical properties, and when it is added to alloy steel pipes, the overall performance of steel pipes can be significantly improved. Specifically, the addition of nickel can increase the strength of the steel pipe, so that it can withstand greater pressure and impact. At the same time, nickel can also improve the toughness of the steel pipe, so that it is not easy to break when subjected to external force. In addition, nickel also has good corrosion resistance, which means that nickel alloy steel pipes can maintain their integrity in the face of corrosive substances, thus extending their service life.
Because nickel alloy steel pipes have such excellent properties, they are widely used in the industrial field. Especially in those occasions that require materials to work stably in high temperature and high pressure environments, nickel alloy steel pipes have become the preferred material. For example, in the chemical processing industry, many chemical reactions need to be carried out under high temperature and pressure conditions, and nickel alloy steel pipes can provide the necessary temperature and pressure resistance. Similarly, in the oil and gas industry, pipelines need to be able to withstand the high pressure and potentially corrosive substances underground, and nickel alloy steel pipes also perform well. In the power generation industry, whether thermal power generation or nuclear power generation, nickel alloy steel pipes are able to maintain stability in extreme working environments.
In addition to the above industries, the application of nickel alloy steel pipes in the aerospace and Marine industries is also very critical. In the aerospace field, aircraft and spacecraft will encounter extreme temperature changes and high pressure environments during flight, and the high strength and corrosion resistance of nickel alloy steel pipes make them ideal materials for manufacturing these aircraft. In the Marine industry, equipment and structures are often exposed to salt water environment, which requires materials must have very high corrosion resistance, nickel alloy steel pipe can also meet this requirement, so it has been widely used in offshore drilling platforms, ship construction and other aspects.
ASTM/AISI | UNS No | EN | DIN | JIS |
Incoloy 800 | N08800 | 1.4558 | X2NiCrAlTi3220 | NCF2B |
Incoloy 800H | N08810 | |||
Incoloy 825 | N08825 | 2.4858 | NiCr21Mo | NCF825 |
Inconel 600 | N06600 | 2.4816 | LC-NiCr12Fe | NCF1B |
Hastelloy B | N10001 | N12MV | ||
Hastelloy B2 | N10665 | 2.4617 | NiMo28 | |
Hastelloy C | ||||
Hastelloy C276 | N10276 | 2.4819 | NiMo16Cr15W | NW 0276 |
Hastelloy C4 | N06455 | 2.461 | ||
Hastelloy C22 | N06022 | 2.4602 | ||
Inconel 625 | N06625 | 2.4856 | NiCr22Mo9Nb | |
Inconel 718 | N07718 | 2.4668 | ||
Monel 400 | N04400 | 2.436 | NW 4400 | |
Nickel 200 | N02200 | 2.406 |
Grade Description and Applications of Nickel and Nickel Alloys
Rade | Description | Applications |
High Temp. Nickel Alloys | Designed to provide unique strength and/or corrosion properties at elevated temperatures. Properties such as high strength, high creep resistance, resistance to softening, or resistance to metal loss at high temperatures from oxidation, sulfidation, or carburization are present. | |
Corrosion Resistant Nickel Alloy | These alloys are intended for applications in the chemical processing, petroleum refining, marine, pollution, and waste control industries where common austenitic stainless steels may not provide adequate corrosion protection. | |
Alloy 330 | An austenitic nickel-iron-chromium alloy developed to provide excellent resistance to carburizing and oxidizing atmospheres at elevated temperatures. | Nickel-Iron-Chromium alloy offering Industrial furnaces and components, excellent resistance to oxidation and chemical processing equipment, power carburization at elevated temperatures generation and ore processing |
Alloy 400 | Nickel-Copper alloy with high strength and excellent corrosion resistance | Marine engineering, Chemical and hydrocarbon processing equipment, Valves, Pumps, Shafts, Fittings, Fasteners, Heat exchangers |
Alloy 600 | Oxidation resistance at high temperatures | Furnace components, Chemical and food processing, Nuclear engineering |
Alloy 625 | Nickel-Cr-Moly+Niobium to provide high strength | Chemical processing, Aerospace and marine engineering, Pollution control equipment, Nuclear reactors |
Alloy 800/800H/800HT | Nickel-Iron-Chromium alloy with high creep strength | Chemical and petrochemical processing, Power plants for super-reactor and reheater tubing, Industrial furnaces, Heat treating equipment |
Alloy 825 | An austenitic nickel-iron-chromium alloy developed for corrosion resistance in both oxidizing and reducing environments. | Air pollution control, chemical and petrochemical, food process, nuclear, offshore oil and gas production, ore processing, petroleum refining, steel pickling and waste disposal. |
Alloy C276 | Nickel-Moly-Cr alloy with tungsten | Pollution control, Chemical processing, Pulp and paper production, Waste treatment |
Nickel Alloy Steel Pipe Mechanical Strength
Density | Elongation | (0.2%Offset) Yield Strength | Melting Point | Tensile Strength |
8.9 g/centimeter3 | 45 % | MPa – 148 and Psi – 21500 | 1446 °C (2635 °F) | MPa – 462 and Psi – 67000 |
Nickel Pipe Chemical Composition
ALLOY | NI | MN | FE | SI | CU | C | TI |
NI 205 | Min 99.6 | Max 0.20 | Max 0.2 | Max 0.10 | Max 0.10 | Max 0.05 | Max 0.05 |
NI 201 | Min 99.2 | Max 0.30 | Max 0.2 | Max 0.10 | Max 0.20 | Max 0.05 | Max 0.10 |
NI 200 | Min 99.2 | Max 0.30 | Max 0.2 | Max 0.10 | Max 0.20 | Max 0.10 | Max 0.10 |
NI 205 LC | Min 99.6 | Max 0.20 | Max 0.2 | Max 0.10 | Max 0.10 | Max 0.02 | Max 0.05 |
Physical Properties Of Nickel Alloy Tube
LOY | ELECTRICAL RESISTIVITY , AT 20°C | THERMAL , CONDUCTIVITY | NICKEL ALLOY DENSITY | THERMAL LINEAR , EXPANSION COEFF. , (20-95 °C) |
ΜΩ-CM | W/M K | G/CM³ | 10-6/K | |
NI 205/205 LC | 8.9 | 75.00 | 8.89 | 13.3 |
NI 200/201 | 9 | 70.20 | 8.89 |
