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Weld Neck Flanges

Weld Neck Flanges

Steelvron is a trusted Weld Neck Flanges supplier, manufacturer, and exporter, delivering high-performance flanges engineered for demanding industrial applications. Designed with a tapered hub and butt-weld connection, Weld Neck Flanges ensure even stress distribution, resistance to fatigue, and leak-proof joints in critical piping systems. This makes them the preferred choice for industries where safety, strength, and durability are non-negotiable.

Overview

Steelvron is a trusted Weld Neck Flanges supplier, manufacturer, and exporter, delivering high-performance flanges engineered for demanding industrial applications. Designed with a tapered hub and butt-weld connection, Weld Neck Flanges ensure even stress distribution, resistance to fatigue, and leak-proof joints in critical piping systems. This makes them the preferred choice for industries where safety, strength, and durability are non-negotiable.

As a global Weld Neck Flanges supplier, we provide flanges in a wide variety of materials including Stainless Steel, Carbon Steel, Alloy Steel, Duplex & Super Duplex, Nickel Alloys, Copper-Nickel, and high-performance alloys such as Inconel, Hastelloy, Monel, and Titanium. Our flanges are manufactured to comply with international standards like ASME, ASTM, DIN, EN, and JIS, covering sizes from ½” to 48” and pressure classes ranging from 150# to 2500#. Every flange undergoes stringent quality checks to ensure flawless performance in high-pressure, high-temperature, and corrosive environments.

At Steelvron, we understand that every project demands precision. That’s why we offer customized Weld Neck Flanges to meet client-specific requirements in terms of grade, dimensions, facing type, and surface finish. Whether for oil & gas pipelines, chemical plants, power generation, shipbuilding, or desalination projects, our Weld Neck Flanges are engineered for long-term reliability, superior strength, and corrosion resistance. With global exports and a proven track record, Steelvron continues to be the most preferred Weld Neck Flanges supplier worldwide.

Technical Specifications Weld Neck Flanges

Material

Grades Available

Standards

Size Range

Pressure Class

Stainless Steel Weld Neck Flanges

SS 304/304L, 316/316L, 321, 347, 904L

ASME B16.5, B16.47, BS, DIN, EN, JIS

½” – 48” (DN15–DN1200)

150#, 300#, 600#, 900#, 1500#, 2500#

Carbon Steel Weld Neck Flanges

ASTM A105, A350 LF2, A694 F42–F70

ASME, ANSI, DIN, EN

½” – 48”

150# – 2500#

Alloy Steel Weld Neck Flanges

ASTM A182 F1, F5, F9, F11, F22, F91, F92

ASME, ASTM

½” – 48”

150# – 2500#

Duplex & Super Duplex Weld Neck Flanges

UNS S31803, S32205, S32750, S32760

ASME, DIN, EN, BS

½” – 48”

150# – 2500#

Nickel Alloy Weld Neck Flanges

Nickel 200, 201

ASTM, ASME

½” – 48”

150# – 2500#

Copper-Nickel Weld Neck Flanges

Cu-Ni 70/30, Cu-Ni 90/10

ASTM, DIN, BS

½” – 48”

150# – 2500#

Inconel Weld Neck Flanges

Inconel 600, 601, 625, 718

ASTM, ASME, DIN

½” – 48”

150# – 2500#

Hastelloy Weld Neck Flanges

Hastelloy C22, C276

ASTM, EN, ASME

½” – 48”

150# – 2500#

Monel Weld Neck Flanges

Monel 400, K500

ASTM, ASME

½” – 48”

150# – 2500#

Titanium Weld Neck Flanges

Titanium Gr.1, Gr.2, Gr.5, Gr.7

ASTM, ASME

½” – 48”

150# – 2500#

Materials We Offer

Other Types Of Flanges We Offer

FAQ

Your complete guide to understanding Steelvron’s products, materials, certifications, and industrial applications worldwide

What are Weld Neck Flanges used for?
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Weld Neck Flanges are used for high-pressure, high-temperature, and critical service applications due to their strong butt-welded connection.

Why choose Weld Neck Flanges over Slip-On Flanges?
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Weld Neck Flanges provide better fatigue resistance, leak-proof joints, and reduced stress concentration, making them ideal for demanding applications.

Which materials are available for Weld Neck Flanges?
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They are available in Stainless Steel, Carbon Steel, Alloy Steel, Duplex & Super Duplex, Nickel Alloys, Copper-Nickel, Inconel, Hastelloy, Monel, and Titanium.

What pressure ratings are available?
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Weld Neck Flanges are available from Class 150 to Class 2500, depending on the material grade.

Can Weld Neck Flanges be customized?
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Yes, Steelvron offers custom sizes, dimensions, and coatings as per project requirements.

Flanges Flanges

Why Choose Us?

Global Expertise

Global Expertise

Trusted manufacturer, supplier, and exporter of Weld Neck Flanges worldwide.

Complete Range

Complete Range

Comprehensive portfolio covering all Weld Neck Flanges materials and types, ensuring broad compatibility.

Certified Quality

Certified Quality

ISO-certified facilities ensure strict manufacturing and testing, delivering precision products consistently.

International Standards

International Standards

Products meet ASME, ANSI, DIN, EN, BS, and JIS norms, ensuring acceptance.

Custom Solutions

Custom Solutions

Supplying standard and tailor-made Weld Neck Flanges, crafted to match exact specifications.

Worldwide Reach

Worldwide Reach

Exporting to 50+ countries with a proven record of client satisfaction.