alloy pipe supplier

Nickel Alloys for Corrosion Resistance

January 07, 2015 in Pipe by

Alloy pipeIf you need pipes that can withstand acidic corrosion, nickel alloys may be a good choice.

Nickel alloys like alloy 625, alloy 825 and alloy 400 fall between stainless steel and the exotic materials, such as tantalum, in terms of resistance to corrosion. They’re often used in environments where aggressive inorganic acids are present, where stainless steels would be susceptible to stress-corrosion pitting, cracking and crevice attack.

Corrosion-resistant Attributes

Nickel alloys have a variety of corrosion-resistant attributes, including:

  • Most are very resistant to chloride-induced stress corrosion cracking
  • Many can resist aggressive reducing acids, including hydrochloric and low-to-medium concentrations of sulfuric acid
  • A number of nickel alloys can endure both strong reducing acids and strong oxidizing acids
  • Many have high resistance to alkalis
  • Some have high resistance to localized attack (pitting and crevice corrosion)

Types of Nickel Alloys

There are six main types of nickel alloy, each with its own recommended use case: 

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Alloy 20 Pipe

June 11, 2014 in Pipe by

Alloy pipeCertain applications require piping systems that can withstand extreme conditions.

Some materials lend themselves to this better than others. And one of those materials is alloy 20 pipe.

Also known as Carpenter 20, alloy 20 is a ‘Super’ alloy developed to hold up to sulfuric acid. Its nickel, chromium, molybdenum and copper components allow it to resist chloride ion stress corrosion cracking and pitting attack. What’s more, it has good mechanical properties and can be fabricated easily.


As you would expect, alloy 20 pipes are often used in environments where sulfuric acid is present. However, their other beneficial characteristics, like easy fabricability, also make them useful in many other applications. Some of the most common applications include:

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5 Benefits of Nickel Alloy Pipes

January 01, 2014 in Pipe, Products by

Nickel Alloy PipeNickel 101

Nickel is a ductile, hard, silvery white material. You rarely find it alone, but you will find as an alloy in a wide variety of different materials. It’s used in the coins we pay with, the tools we build with and many other stainless steel items, including household objects like magnets, batteries and ceramics. It can even be added to things like guitar strings and glass. And, of course, you’ll find it a number of different nickel alloy pipes, which is our favorite application!

The Benefits of Nickel Alloys

Okay, so nickel alloy is fairly ubiquitous material. But why? Well, it has a number of different characteristics that make it useful in a variety of environments. Some of them include:

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The Resistant Properties of Nickel Alloy Pipe

October 09, 2013 in Pipe by

PipesNickel could be called something of a universal ally to other materials–or perhaps, more appropriately, an alloy, as it is primarily used for the alloys it forms with other metals. Rarely found alone, nickel is silvery-white, ductile and hard. It makes up part of coins, tools and many stainless steel items, and sometimes it is even added to household items, such as ceramics, magnets and batteries. Because of its useful characteristics and partnering properties, you may find it in everything from electric guitar strings to glass (which, incidentally, develops a green tint from the addition of the metal).

But what makes nickel an excellent alloying agent? And what are the properties that make it such a great partner to other materials? For one, it’s resistant characteristics, which we’ll take a look at below. 

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Advantages And Applications Of Nickel Alloy Pipes

July 03, 2013 in Industry Trends, Pipe by

Nickel alloy pipeFor as long as civilization has existed, people have been using nickel alloys. Indeed, scientists have analyzed artifacts from thousands of years ago and found pipes, tools, coins and weapons comprised of varying amounts of nickel and other metals.

And the ancients were onto something: nickel alloys have advantages that allowed them to build structures that helped them not only survive, but thrive.

These beneficial characteristics are still being taken advantage of today–by engineers, by scientists, and in our field, by alloy pipe distributors and builders.

Here are some of those advantages that make nickel alloys such useful materials to build with:

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Here’s Why You Should Use Nickel Alloy Pipe

March 20, 2013 in Blog, Manufacturing, News & Articles by

Nickel alloy pipe is such a good piping choice because it’s resistant to corrosion, and it’s resistant to corrosion because, at room temperature, it has a low rate of oxidation.

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Alloy Pipes Delivered Globally

June 22, 2011 in Blog, Manufacturing, News & Articles, Pipes Valves and Fittings by

The Solution to Overseas Sourcing

Clients overseas sometimes have trouble sourcing the supplies they need. This is especially true in developing nations such as those in South America, Africa and Asia. Whether they’re looking for alloy pipe suppliers or straight iron steel suppliers, contractors stationed at job sites in these countries don’t necessarily need to look locally for their supplies. We here at St. Louis Pipe and Supply can solve all sourcing and shipping issues.

Increasing Global Demand

We often get inquiries about shipping pipe and supplies to far off corners of the globe. With the increased usage of natural gas, there has been an increase in inquiries about certain alloys of pipe, in particular, for the construction of natural gas refineries and filling stations. Builders can’t always find the specific type of pipe they need locally because there are no alloy pipe suppliers near the job site. Some builders resort to buying their supplies at their usual supplier that may be many thousands of miles from where the supplies are needed. The logistics of then getting those supplies to the jobsite can be overwhelming and take up man-hours that are far more valuable when used elsewhere.

Taking Care of Logistics

St. Louis Pipe and Supply is well versed in logistics. We can quote you a price based on getting the supplies you need to the port that is closest to you. We have a warehouse and shipping yard in Houston, Texas where most orders are put together and shipped. If we’re able to save you time and money by bypassing our Houston yard and shipping directly to your site from one of our suppliers, we’ll handle it that way.

Houston to Karachi

Whether shipping to Kansas City, Kansas or Karachi, Pakistan, St. Louis Pipe and Supply can handle the logistics. As one of the largest alloy pipe distributors in the world, it’s no problem for us, but it’s a big solution for clients. It’s something we do every day and we’re proud to be able to make someone’s job easier while still keeping them well within budget.

If you need of a alloy pipe supplier or any other pipe supplier for that matter, anywhere in the world, please contact us for a quote or to answer any questions you may have.

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