Nickel Alloy Bars

High-quality nickel alloy bars for oil & gas, petrochemical and chemical processing applications. Ideal where corrosion risk, high loads and demanding service conditions come together.

From single bars to complete packages with pipes, fittings and flanges: supplied from stock or sourced to match your required lead time.

About Maass Special Alloys

We specialize in nickel alloy products for oil, gas and petrochemical projects. Fast response, clear communication and a delivery plan that matches your lead time.

Quick quotes, practical support, clear updates
High-quality nickel alloy products that you can trust
Complete packages: pipes, fittings and flanges from one supplier

Please send your inquiry and we’ll confirm availability and lead time

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Why choose Maass as your supplier of nickel alloy bars?

Designed for critical oil & gas piping

Corrosion resistance

Built for aggressive environments where standard steels fail.

Acid performance

Strong choice for corrosive process streams and chemical service.

Chloride environments

Options for chloride-rich media where SCC risk is a concern (grade-dependent).

Localized corrosion control

Improved resistance to pitting and crevice attack in harsh fluids.

High mechanical strength

Our bars perform best where both corrosion performance and strength are critical.

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Nickel Alloy & (Super) Duplex Round Bars: High-performance grades for extreme environments

We supply rolled and forged nickel alloy bars in project-relevant Duplex, Super Duplex and Nickel Alloy grades, from small diameters up to 600 mm.
Backed by strong mill partnerships, we can source non-stock grades at competitive pricing.

Key stock grades include: F51, F55, F53, F61, F44, Alloy 20, Alloy 825, Alloy 625, Alloy 400, Alloy 600, Alloy C-276 and Alloy C-22.

Alloy 825

ASTM/ASME (S)B 423 UNS N08825

½” – 8”

Sch10S – SchXXS

Alloy 625

ASTM/ASME (S)B 444 UNS N06625

½” – 6”

Sch10S – SchXXS

Alloy 20

ASTM/ASME (S)B 729 UNS N08020

½” – 8”

Sch10S – Sch160

Alloy C276

ASTM/ASME (S)B 622 UNS N10276

½” –6”

Sch10S – Sch80S

Alloy C22

ASTM/ASME (S)B 622 UNS N06022

½” – 3”

Sch10S – Sch80S

Alloy 400

ASTM/ASME (S)B 165 UNS N04400

½” – 6”

Sch10S – Sch80S

Maass Global Group

Production Sites

Stock / Offices

Maass Global Group is a network of different flange production locations and stock / sales offices, able to offer a complete line of production in Stainless, Duplex, Low Alloy and Special Nickels in both small and large diameter sizes combined with a full range of pressure classes.

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Certified Nickel Alloy bar supply for your industry

Nickel alloy bars are often specified for critical components where failure risk is expensive. That’s why we supply project-ready documentation and can support additional testing and inspection on request.

We offer as standard:

EN 10204 / 3.1 certified
Dual certified in accordance with ASTM / AMSE
Material in compliance to International specification
Random Lengths or Cut-to-length
Stock delivery times
Upon request:

Additional testing

Bevelling

Third Party inspection

Service conditions: which grade for which application?

Below is a quick guide to typical grade choices by service condition. Share your project spec and we’ll confirm the best-fit grade and supply route.

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Request a quote for Nickel Alloy Bars

Please fill in the contactform or send your inquiry. We’ll confirmavailability from stock or the best supply route for your lead time.

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Mail us

sales@maass-special-alloys.com

Call us

+31 (0)30 8200 370