Alloy Steel Flanges

Our company provides Alloy Steel Flanges.

YANHAO is a leading manufacturer of the ASTM A182 Low Alloy Steel flanges as well as other types of alloys.

We provide a variety of alloy steel flanges with nominal diameter sizes from ½ inch to 48 inches. The flange factory is located in China. We have the advantage of cheap labor and raw materials and can provide you with cheaper alloy steel flanges of different specifications

lewis Liu

sales Manager

Alloy Steel Flanges

Alloy Steel Flanges a forged or cast rings of steel designed to connect mechanically sections of pipe or join pipe to a pressure vessel, valve, pump any other piece of equipment. Alloy Steel Plate Flanges are used to seal the end of pipelines, valves, or other connections. With high tensile strength, it is available with a raised face and backups for easy installation。

StrengthAlloy steel flanges typically exhibit high strength, capable of withstanding high pressures and mechanical stresses.
High-Temperature ResistanceThese flanges maintain strength and stability in high-temperature environments, suitable for high-temperature engineering applications.
Corrosion ResistanceAlloy steel flanges exhibit strong resistance to corrosive media, enabling long-term use in corrosive environments.
Wear ResistanceAlloy steel generally demonstrates excellent wear resistance, making them suitable for high-wear environments.
Fatigue ResistanceThese flanges have good resistance to cyclic stresses and fatigue performance, suitable for applications with repetitive loads.
Thermal ConductivityAlloy steel flanges typically possess high thermal conductivity, aiding in the dispersion of heat in high-temperature conditions.
MachinabilityAlloy steel is usually easy to machine and manufacture, allowing for various shapes and specifications.
WeldabilityAlloy steel is typically weldable, facilitating assembly and maintenance.
CostAlloy steel’s cost is relatively higher, but it is often economical for applications requiring high strength and corrosion resistance.
Material GradesAlloy steel flanges have multiple material grades; here are some common grades and their characteristics:
– ASTM A182 F11Used for applications at moderate temperatures and pressures.
– ASTM A182 F22High-alloy steel for high-temperature, high-pressure conditions.
– ASTM A182 F91High-alloy steel for extremely high temperatures and pressures.
– ASTM A350 LF2Low-temperature service alloy steel.
Specification SizesAlloy steel flange specifications and sizes vary according to standards (such as ANSI B16.5, ASME B16.47, etc.) and specific application requirements. Here are some typical data ranges:
– Flange DiameterFrom 1/2″ (15mm) to 48″ (1200mm)
– Flange ThicknessFrom 1/4″ (6mm) to 6″ (150mm)
– Number and Spacing of Bolt HolesVaries with specifications and pressure ratings, typically 4, 8, 12, or more, with different spacing.

This detailed table provides information on the features, performance, common material grades, and specification sizes of alloy steel flanges. It will help you gain a comprehensive understanding of alloy steel flanges’ characteristics, enabling you to make informed decisions regarding material and specification choices to meet specific engineering requirements. Please note that selecting the right specifications, sizes, and material grades is critical to ensuring the effectiveness and reliability of flanges in a system.

Alloy Steel Flange Material can differ according to its chemical composition. It has a chemical composition, such as nickel, nickel-chromium, molybdenum, chromium-molybdenum steels, etc. The alloy steel material is a type of steel that is alloyed with more than one element, which helps to enhance its properties. The Alloy Steel Flanges are primarily made of chromium, molybdenum, and nickel in their chemical composition. The Chrome Moly Flanges are known for showing excellent corrosion resistance and they can resist oxidation too. The Chromoly flanges material is similar to carbon steel but it comes with an added chromium content.

The Low Alloy Steel Flanges are primarily found in pipelines carrying water, oil, gas, etc. They are widely used for automotive and aerospace bodies, offshore and onshore structural engineering plates, and railway lines.

ASME B16.5 Alloy Steel Forged Flanges are used to link parts to create a pipework web for valves, cylinders, pumps, and other devices.

The Alloy Steel Slip On Flange is also used in industries like chemical plants, food processing, etc. The Alloy Steel Weld Neck Flange can also be found in the construction industry and structural sections. They are ideal for a wide range of applications.

The Alloy Steel Blind Flange is used for closing off the piping connections. The AS Socket Weld Flange can be ideally used for small-sized high-pressure piping systems. The Alloy Steel Lap Joint Flanges can swing over the pipes and there is no need to weld them.

The Alloy Steel Plate Flange looks like a circular disc and it is welded at the end of the pipe so that it can bolt with another pipe to form a connection. The AS Orifice Flange helps to measure the fluid flow of the pipeline through the flow nozzle placed on the flange.

The Alloy Steel RTJ Flange comes with a machined metallic ring that has deep groove cuts into its face. The Alloy Steel spectacle blind flanges are simple safety devices that can be placed between two flanges.

Carbon steel (CS) is the most common flange construction material used within the oil and gas industry, although the following flange materials are also commonly used: Cast iron. Nickel alloy.

  • Alloy steel is less resistant to corrosion compared to Stainless steel. …
  • Alloy steel has low strength at high temperatures.
  • An alloy steel surface finish is not as good as that of stainless steel.

Steel Alloy Advantages

  • Enhanced corrosion resistance.
  • Increased hardenability.
  • Superior strength and hardness.
  • Unique alloyed features.

For example, carbon is mixed with iron to make steel, an alloy of iron. As strong as alloy steel is, it doesn’t make it any less vulnerable to rust when exposed to the elements since it is ferrous (containing iron).

Both are two different materials. Carbon steel consists of iron with carbon added and alloy steel includes various other materials. Adding other materials assists in modifying the physical and chemical properties of the material.

Stainless Steel flanges are some of the most common. However, flanges are available in a wide range of materials so matching them with your needs is essential. Other common flange materials include Monel, Inconel, Chrome Moly, and many others depending on the application.

5 Disadvantages of Alloys

  • Alloys are not as strong as pure metals.
  • Alloys are less ductile than pure metals.
  • Alloys are more difficult to weld than pure metals.
  • Alloys are more difficult to machine than pure metals.
  • Alloys are more expensive than pure metals.

Main alloying element

Mild steel is alloyed using carbon whereas stainless steel has chromium as its alloying element. The 2 different alloys produce very different results in corrosion resistance, malleability, and ease of fabrication, and cost. It is this key difference that separates the 2 different kinds of steel.