Alloy Steel Threaded Flanges

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MOQ : 500 Pieces

Alloy Steel Threaded Flanges Specification

Purity
High Purity Alloy

Dimension (L*W*H)
As per specification or drawing

Feature
High Strength, Corrosion Resistance, Leak Proof

Grade
F1, F5, F9, F11, F22, F91, and Custom Grades

Application
Oil & Gas, Chemical Industries, Petrochemical, Power Plants

Product Type
Threaded Flanges

Material
Alloy Steel

Standard
ASTM A182 / ANSI B16.5

Shape
Round

Surface
Polished / Anti-rust Coated

Connection
Threaded

Technics
Forged

Pressure
150# to 2500#

Size
1/2 to 24 (DN15-DN600)

Color
Metallic Grey

Hardness
223 HB - 250 HB

End Connection
Female NPT/BSP Threaded

Service Life
Long Service Life with Minimum Maintenance

Tolerances
ANSI/ASME B16.5 / B16.47 Tolerances

Packing
Wooden Cases, Pallets

Temperature Range
-29°C to 593°C

Bolt Hole
Precisely Drilled as per Standard

Face Type
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

Density
7.85 g/cm³

Alloy Steel Threaded Flanges Trade Information

Minimum Order Quantity
500 Pieces

Main Export Market(s)
Africa, Western Europe, North America, Australia, Eastern Europe, Middle East, South America, Asia, Central America

About Alloy Steel Threaded Flanges

Our reputed company is offering to our valuable customers a superior quality Alloy Steel Threaded Flanges. Because of its excellent quality, sturdy design and long shelf life these flanges are famous among its user. Our professionals use quality tested materials and advance techniques as per the set industrial norms. Quality tested under different parameters, these Alloy Steel Threaded Flanges are widely appreciated among our customers. Following are some of the features of our product.

Features:

Smooth edges
Accurate dimension
High endurance
Rugged design

Exceptional Engineering for Industrial Demands

Alloy Steel Threaded Flanges are forged to exact standards such as ASTM A182 and ANSI B16.5, ensuring superior durability and high purity. Designed with strictly controlled tolerances, they guarantee precise fit and reliable operation for industries where safety and longevity are paramount. The available face types-RF, FF, and RTJ-enable compatibility with varied piping systems, while a range of grades covers both standard and specialty applications.

Versatile Applications and Reliable Performance

With a metallic grey finish and options for anti-rust coating, these alloy steel flanges are ideal for use in oil & gas, chemical, petrochemical, and power generation industries. Their robust construction resists corrosion and mechanical stress, making them suitable for a wide array of pressures (150# to 2500#) and sizes (1/2 to 24 inches). Whether for new systems or maintenance projects, they help ensure leak-proof, secure, and long-term connectivity.

FAQ's of Alloy Steel Threaded Flanges:

Q: How are the bolt holes on Alloy Steel Threaded Flanges drilled for installation?

A: The bolt holes are precisely drilled according to referenced standards such as ANSI/ASME B16.5 or B16.47. This ensures accurate alignment and a tight fit with mating flanges or fittings, which aids in maintaining structural integrity and leak-proof performance in service.

Q: What are the primary benefits of using Raised Face (RF), Flat Face (FF), or Ring Type Joint (RTJ) flanges?

A: Raised Face (RF) flanges provide better sealing under high pressure, Flat Face (FF) are suitable for low-pressure applications demanding full contact, and Ring Type Joint (RTJ) flanges offer superior leak resistance, especially in high-pressure, high-temperature environments. Selection depends on system requirements and application.

Q: Where can these alloy steel threaded flanges be used effectively?

A: These flanges are widely used in oil & gas pipelines, chemical and petrochemical plants, and power plant piping systems. Their robustness, corrosion resistance, and compatibility with ASTM A182/ANSI B16.5 standards make them suitable for demanding industrial environments across India and globally.

Q: What is the process for selecting the correct flange size and pressure rating?

A: Selection is based on the pipe's diameter, required pressure class (ranging from 150# to 2500#), and application-specific needs. Reviewing project drawings, operating conditions, and reference standards ensures an optimal and safe match for the system.

Q: How should Alloy Steel Threaded Flanges be packaged for shipping and storage?

A: To prevent damage and preserve surface finish, these flanges are typically packed in sturdy wooden cases or on pallets. This packaging protects components from corrosion, moisture, and impact during transport or warehousing.

Q: What kinds of maintenance or service life can users expect from these flanges?

A: Thanks to their forged construction, high hardness (223 HB - 250 HB), and anti-corrosive treatments, these flanges offer prolonged service life and require minimal maintenance, even in harsh industrial conditions.

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