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441 Stainless Steel Flanges

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Product Details:

Coating Anti-rust Oil Coating
Design As per ASME/ANSI B16.5
Facing Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Process Forged / Rolled / Machined
Color Silver
Tolerance 0.1 mm
Product Type 441 Stainless Steel Flanges
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441 Stainless Steel Flanges Price And Quantity

Minimum Order Quantity 100 Piece

Heat Resistance Up to 980°C
Application Chemical, Petrochemical, Oil & Gas, Power Plants, Food Industry
Corrosion Resistance Excellent against oxidation, sulfidation, and chloride attack
Surface Finish Smooth, Pickled, Sand Blasted
Hardness HRB 80 max
Pressure Rating 150 lbs, 300 lbs, 600 lbs, 900 lbs, 1500 lbs
End Beveled, Plain, Serrated
Grades AISI 441, UNS S44100

441 Stainless Steel Flanges Product Specifications

Color Silver
Process Forged / Rolled / Machined
Size 1/2" (15 NB) to 48" (1200NB)
Technique Hot Rolled / Cold Rolled
Facing Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)
Design As per ASME/ANSI B16.5
Connection Welded, Threaded, Slip-on, Socket Weld
Coating Anti-rust Oil Coating
Tolerance 0.1 mm
Standard ASTM A240 / ASME SA240
Shape Round
Thickness 3 mm to 40 mm
Product Type 441 Stainless Steel Flanges
Material Stainless Steel

Heat Resistance Up to 980°C
Application Chemical, Petrochemical, Oil & Gas, Power Plants, Food Industry
Corrosion Resistance Excellent against oxidation, sulfidation, and chloride attack
Surface Finish Smooth, Pickled, Sand Blasted
Hardness HRB 80 max
Pressure Rating 150 lbs, 300 lbs, 600 lbs, 900 lbs, 1500 lbs
End Beveled, Plain, Serrated
Grades AISI 441, UNS S44100

441 Stainless Steel Flanges Trade Information

Supply Ability 5000 Piece Per Month
Delivery Time 7 Days

Product Description

Specification

Specifications	ASTM A182 / A240 & ASME SA182 / SA240
Material	Stainless Steel 430 (UNS S43000 )
Dimension	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size	1/2" (15 NB) to 48" (1200NB)
Class	150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Key Features of 441 Stainless Steel Flanges

These flanges are designed to withstand extreme environments, featuring anti-rust oil coating, high corrosion resistance, and compatibility with temperatures up to 980C. They come in multiple pressure ratings, shapes, and finishes, accommodating diverse industrial requirements. Their precise 0.1 mm tolerance and compliance with ASME/ANSI B16.5 ensure reliable performance and easy integration.

Versatile Applications Across Industries

441 Stainless Steel Flanges are widely used in sectors such as chemical processing, petrochemicals, oil & gas, power generation, and the food industry. Their durability against oxidation and chemicals makes them a preferred choice for critical piping systems and high-temperature operations.

Manufacturing and Customization Options

Offered in sizes from 1/2" to 48" and thicknesses ranging from 3 mm to 40 mm, these flanges are available with beveled, plain, or serrated ends. Surface finish options include smooth, pickled, and sand-blasted. Custom designs can be supplied according to customer or industry specifications, ensuring optimal performance in any application.

FAQ's of 441 Stainless Steel Flanges:

Q: How are 441 Stainless Steel Flanges manufactured to ensure quality and performance?

A: They are produced using forged, rolled, or machined processes under strict ASTM A240 / ASME SA240 standards. This ensures high strength, precise tolerances (0.1 mm), and excellent resistance to corrosion and high temperatures.

Q: What industries commonly use 441 Stainless Steel Flanges and why?

A: Industries such as chemical, petrochemical, oil and gas, power plants, and the food sector utilize these flanges because of their outstanding heat and corrosion resistance, making them dependable in aggressive and high-temperature environments.

Q: When should I choose a raised face (RF), flat face (FF), or ring type joint (RTJ) flange?

A: Select RF for most general piping systems, FF when a full, even sealing surface is required, and RTJ for high-pressure, high-temperature applications where a metal-to-metal seal is preferred.

Q: Where are your 441 Stainless Steel Flanges available and which sizes can be supplied?

A: We supply and distribute across India, offering sizes from 1/2" (15NB) up to 48" (1200NB) in a variety of thicknesses between 3 mm and 40 mm to meet diverse project needs.

Q: What types of surface finishes are available for these flanges?

A: Depending on application requirements, surface finishes can be smooth, pickled, or sand-blasted. These enhance resistance to scaling, improve appearance, and ensure compatibility with different industrial processes.

Q: How do 441 Stainless Steel Flanges benefit piping systems exposed to harsh chemicals and temperatures?

A: With a maximum hardness of HRB 80 and resistance to oxidation, sulfidation, and chloride attack, these flanges maintain integrity in chemically aggressive and high-heat conditions, thus extending system longevity and reducing maintenance needs.

Q: Can these flanges be customized according to project specifications?

A: Yes, we accommodate custom designs, ends, facings, and coatings to meet specific industry standards or unique project requirements, ensuring precise compatibility and optimal performance.

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