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Alloy 20 Flanges

Alloy 20 Flanges

Steelvron is a trusted Alloy 20 Flanges Supplier, Manufacturer, and Exporter, providing high-performance flanges designed for superior resistance to corrosion, oxidation, and chemical attack. Alloy 20 Flanges are specifically engineered to withstand aggressive environments containing sulfuric acid, strong oxidizers, and other corrosive chemicals, making them ideal for chemical processing, petrochemical, and pharmaceutical industries.11

Overview

As a leading Alloy 20 Flanges Supplier, Steelvron ensures each flange is manufactured from premium Alloy 20 material, complying with international standards such as ASTM, ASME, DIN, EN, and JIS. Our flanges are precision-engineered to provide high mechanical strength, excellent durability, and long-term operational efficiency under harsh conditions.

We offer a complete range of Alloy 20 Flanges, including Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint, and Long Weld Neck Flanges. Each flange can be customized according to client specifications to guarantee accurate dimensions, superior surface finish, and optimal mechanical properties. Choosing Steelvron as your Alloy 20 Flanges Supplier ensures access to high-quality flanges for the most demanding industrial applications.

Technical Specifications of Alloy 20 Flanges

Standards:

ASTM B462 / B564, ASME SB462 / SB564, DIN, EN, JIS, BS, ANSI

Flanges Available:

Alloy 20 Flanges

Size Range:

½” (15 NB) to 48” (1200 NB)

Pressure Ratings:

Class 150, 300, 600, 900, 1500, 2500

Face Type:

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

Finish:

CNC Machined, Smooth Finish, Polished Finish

Forms:

Weld Neck, Slip-On, Blind, Lap Joint, Threaded, Socket Weld, Long Weld Neck

Chemical Properties Of Alloy 20 Flanges

Flange Name

C (max)

Mn (max)

Si (max)

P (max)

S (max)

Ni

Cr

Cu

Mo

Alloy 20 Flanges

0.06

2.0

1.0

0.04

0.03

32–38

19–21

3–4

2–3

Physical Properties of Alloy 20 Flanges

Property

Alloy 20 Flanges

Density (g/cm³)

8.2

Melting Point (°C)

1370–1400

Tensile Strength (MPa)

550–700

Yield Strength (0.2% Proof, MPa)

250–400

Elongation (%)

30–40

Hardness (Brinell HB)

150–220

Modulus of Elasticity (GPa)

200

Thermal Conductivity (W/m·K)

11

Electrical Resistivity (µΩ·m)

1.0

Mechanical Properties Of Alloy 20 Flanges

Flange Name

Tensile Strength (MPa)

Yield Strength (MPa)

Elongation (%)

Alloy 20 Flanges

550–700

250–400

30–40

Types Of Alloy 20 Flanges We Offer

Materials We Offer










FAQ

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

Why choose Steelvron as an Alloy 20 Flanges Supplier?
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Steelvron provides high-quality Alloy 20 Flanges with superior corrosion resistance, mechanical strength, and customization options for chemical, petrochemical, and pharmaceutical applications.

Which environments are Alloy 20 Flanges best suited for?
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Alloy 20 Flanges resist sulfuric acid, strong oxidizers, and corrosive chemicals, making them ideal for chemical and petrochemical industries.

What standards do Alloy 20 Flanges comply with?
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ASTM, ASME, ANSI, DIN, EN, and JIS standards.

Can you supply flanges for high-pressure chemical pipelines?
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Yes, Alloy 20 Flanges are engineered for high-pressure, high-temperature, and corrosive chemical applications.

Do you offer customized flange dimensions?
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Absolutely. Alloy 20 Flanges can be manufactured according to client specifications and drawings.

What is the maximum size of Alloy 20 Flanges you supply?
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Steelvron supplies Alloy 20 Flanges up to 48” (1200 NB).

Are these flanges suitable for marine or offshore applications?
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Yes, Alloy 20 Flanges are suitable for offshore, marine, and chemical applications due to their excellent corrosion resistance.

Flanges Flanges

Why Choose Us?

Global Expertise

Global Expertise

Trusted manufacturer, supplier, and exporter of Alloy 20 Flanges worldwide.

Complete Range

Complete Range

Comprehensive portfolio covering all Alloy 20 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 Alloy 20 Flanges, crafted to match exact specifications.

Worldwide Reach

Worldwide Reach

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