advanced high strength steels Archives | National Material Company

14 03, 2022

Metals Processing: Advantages of Cold Rolled Steel

Cara2022-08-05T16:30:32+00:00March 14th, 2022|News Blog|

There are many steps required in metal processing in order to achieve a high-quality product. American steel processor, National Material Company (NMC), believes there can be no exception to this rule. Steel is an alloy that is a mixture of both iron and carbon and it is durable, sustainable, and highly desired by many industries. Formal specifications and different grades of steel can affect the performance and use of the metal, but there are additional techniques within the metals’ processing that can alter the strength and finish. In this article, we will focus on one technique known as cold rolling.

Engineers and designers alike must decide on the type of metal they will need to begin work on their projects. Cold rolled steel for many reasons might be the ideal metal. “Cold rolled” refers to the process the steel undergoes before becoming the final product. The temperature is not what we may consider “cold.” Instead, the entire process occurs at room temperature and involves applying great pressure to the steel. However, this does not mean cold rolled steel never experiences its recrystallization temperature. In fact, cold rolled steel endures extreme temperatures and compression rollers just like hot rolled steel. Cold rolled steel simply undergoes more processes once it has cooled down to get exact dimensions and better surface qualities. In many cases, steel may undergo processes like rolling, turning, grinding, and polishing. Each one gives the steel a unique finish.

There are many advantages of cold rolled steel, such as increased strength. (Read about Advanced High Strength Steel, or “AHSS” here.) The compression of the steel at room temperature hardens the strain, giving the metal significant strength when compared to other types of steel. That being said, the steel is not needlessly thick to create this strength. Cold rolling allows for tighter tolerances not found within other steel manufacturing. In other words, the metal will have thinner walls without sacrificing integrity.

One of cold rolled steel’s most desirable aspects is its aesthetics. The cold rolling process enables metal processors like National Material Company to improve the surface finish. It leaves a smooth surface with few imperfections that are ideal if a project requires visual appeal. An excellent surface is great not just for its beauty, however. Cold rolled steel is used in the construction of bridges due to fewer visible surface flaws.

Additionally, cold rolled steel is ideal for projects that require more precision and need to be durable. Bars created with this technique have well-refined edges, and tubes are very straight with excellent concentric uniformity.

Cold rolled steel can be found across many industries today. It is used in parts for home appliances, roof and wall systems, metal furniture, aerospace structural members, and a wide scope of applications too numerous to list. Despite the many steps within the cold rolling process, cold rolled steel has a short manufacturing time and can be delivered promptly so customers can begin work on their projects quickly.

National Material Company […]

14 01, 2022

A Deeper Dive into Steel & Steel Processing

Cara2022-08-05T16:28:02+00:00January 14th, 2022|News Blog|

In an ancient Greek myth, Prometheus steals fire from the gods so that humans may escape their wretched situation on Earth. A modern rendition of this myth may have Prometheus bringing us steel rather than fire.

It is steel, strong and versatile, which releases modern humans from the constraints of nature. It is a stalwart in everything from medical equipment to structural elements, to specialty parts in aerospace, automotive, shipbuilding, military, and infrastructure industries. Today, our steel researchers, metallurgists, technicians, and engineers put on the garb of Prometheus as they continue to perfect different grades and specialty steel.

What are some of the aspects that go into steel processing?

Steel Grades Make Steel Processing Easier

In the modern world, there is a specialist for every job. It’s no different with steel. The “grade” of steel is a descriptor that identifies both the physical properties of the steel as well as its composition, among other descriptors. Currently, there are more than 3,500 grades of steel, each tailored towards a specific task. Of these, the grand majority were developed just in the last 25 years.

Thanks to this variety, steel processors can offer their clients the perfect “specialist” for the job.

Steel Processing: Earth-Friendly

No modern industry can claim to be for the benefit of mankind without being sustainable. For this reason, steel sustainability has made huge leaps in the last decades towards social responsibility.

Fortunately, as a material, steel is very compatible with sustainable goals. Steel is 100% recyclable. It is also very long-lasting and improves the performance of transportation vehicles, which makes for greener rides. Recently with the increased prominence of electric arc furnaces, more and more steel recycling has given new life to old steel. All this is done without reductions in quality or performance.

Creating Better Steel for Steel Processing

The creation of new grades of steel involves transformation of the chemical composition of steel alloys as well as using different physical processes to transform steel.

Steel can be categorized into four basic groups based on the chemical compositions:

Carbon steel
Alloy steel
Stainless steel
Tool steel

Check out this page to learn more about each of those categories.

Steel Processing: A Huge Enterprise

2020 saw the production of 1.88 billion metric tonnes (Mt) globally, which was actually 0.3% above the pre-pandemic 2019 production numbers. The worldwide COVID-19 pandemic caused many industries to grind to a halt, which – in turn, decreased the demand for steel. However, in 2022 demand promises to bounce back. The Worldsteel Association predicts that “steel demand will grow by 4.5% in 2021 and reach 1,855.4 Mt after 0.1% growth in 2020. In 2022, steel demand will see a further increase of 2.2% to 1,896.4 Mt. The current forecast assumes that, with the progress of vaccinations across the world, the spread of variants of the COVID virus will be less damaging and disruptive than seen in previous waves.”

Steel Processing of Advanced High Strength Steels

A thematic characteristic of steel and steel processing is that it’s a forward-looking industry […]

24 06, 2021

The Slitting Line and Steel Slitting Process Explained

andre2021-06-24T18:47:26+00:00June 24th, 2021|News Blog, NMC Media|

Steel is an alloy of iron that is mixed with carbon which improves its strength and durability. Combine these properties with its low cost and you have a perfectly-suited alloy for a multitude of uses in various end applications, including (but not limited to) automotive, infrastructure, and appliance/HVAC.

Enter the role of steel processors. Steel processing companies like National Material Company provide manufacturers with the right steel material for their industry. This article will focus on the topic of steel slitting and how the slitting process works.

Steel slitting is a steel manufacturing process wherein a coil of steel is slit into the lengths and widths specified by the end application. This process requires machinery lines equipped with a decoiler, slitter, and a recoiler — to achieve the end product: slit steel coils, or “mults.”

An operator will feed the steel coil onto the uncoiler mandrel. The uncoiler unwinds the master coil, feeding it into the slitter head where the steel will be slit into narrow mults (strips) by rotary knives. The operator then inspects the individual mults to ensure the gauge width and edge condition meet required specifications. The mults will then travel through a looping pit to insure stress-free and camber-free recoiling of the slit material. Individual mults are then banded and packaged to specific customer requirements.

This process requires careful precision. Leading steel processing company NMC operates several steel service centers in the United States and Mexico using robust precision slitting machines equipped with advanced technology in software, tooling practices, and hardware. This helps National Material Company streamline their production and reduces their time to delivery. NMC thoroughly checks their equipment for alignment and regularly calibrates their machine line to help reduce scrap and overall cost.

National Material Company spent decades perfecting the art of steel processing to provide only the best to their clients, earning their position as a top steel processor. NMC guarantees top tier quality for all of your steel supply needs, and they also offer a wide variety of steel processing capabilities.

About National Material L.P. – National Material L.P. (NMLP) has been in the steel service industry since 1964. Operating 16 steel service centers and processing facilities across the United States, Canada, and Mexico makes them one of the largest independent steel service centers in North America. For more information about National Material L.P, visit www.nmlp.com

To find out more information about NMC’s products and services, please visit us at www.nationalmaterial.com or call (U.S.) 847-806-7200 to speak with a sales representative.

31 03, 2021

Demand For Steel Processing Grows in 2021

andre2021-03-31T18:34:29+00:00March 31st, 2021|News Blog|

Leading steel processor National Material Company, like the rest of the steel industry, is watching carefully as steel demand recovers in 2021. As the coronavirus pandemic affected all areas of the global economy, 2020 was a year like no other, and we are grateful for the cautious hope the new year brings.

As supply chains continue to stabilize, shipments of raw materials from other countries and manufacturing of parts has resumed. The World Steel Association says it expects steel demand to recover in 2021 to 1,717 million metric tons, an increase of 3.8 percent compared with 2020. The recovery of steel demand will be more visible in the second half of 2021, World Steel predicts, and will be driven by construction, especially infrastructure investment, as the government has put forward several new infrastructure initiatives.

What does this mean for American steel processors? According to a recent article in The Wall Street Journal, steelmakers idled about one-third of domestic production capacity for flat-rolled steel last spring when their customers canceled orders and closed plants to slow the spread of the new coronavirus. Since many factories reopened a month or two later, steel demand for cars, appliances, and machinery has rebounded, thanks, in part, to rising purchases from homebound consumers.

From Nasdaq:

American steel stocks have seen recent gains on hopes that the sizable infrastructure spending would have a beneficial effect on the U.S. steel industry given the expected increase in consumption of the commodity that is used to make almost everything from rail tracks to roads to bridges and tunnels.

Steel makers are seeing strong order booking in automotive. Recovery in the automotive industry has accelerated following pandemic-led shutdowns on the back of strong customer demand. The automotive rebound is driving demand for flat steel products globally.

Moreover, the revival in the construction sector globally is driving demand for long and flat steel products in this major market. The construction sector has also bounced back on the heels of a resumption of projects that were stalled earlier due to supply chain disruptions and manpower shortage. In particular, the non-residential construction market remains resilient (read full article here).

Response to adversity is what will determine the outcome of the story. Historically, the American steel industry is as resilient as it gets, built on a foundation that literally supports our entire country’s infrastructure.

As OEMs and large companies that utilize steel processing services take another step forward into 2021, they may be wise to ask themselves, “Are there strategic partnerships that will strengthen competitive positioning and business resiliency?” After all, in the steel industry, great end products await at the end of the rainbow.

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Why National Material Company?

As a leader in steel processing capabilities, supply chain management, and inventory control, NMC is the perfect choice for any customer in search of the best experience possible. A dedicated workforce, state-of-the-art slitters, cut-to-length lines, and warehouse storage capabilities make NMC the premiere steel manufacturing company in North America. Locations throughout the United States and […]

8 02, 2021

Steel’s Versatility: Why the Steel Industry Stands the Test of Time

andre2021-02-08T20:20:57+00:00February 8th, 2021|News Blog|

Steel’s broad applicability has made it the world’s sweetheart. It’s a stalwart in everything from modern décor, to structural elements, to specialty parts in aerospace, automotive, shipbuilding, military, and infrastructure industries. Even landmarks such as the Golden Gate Bridge and the Gateway Arch shine bright with steel produced by the American steel service industry.

Futurists, such as Elon Musk, have called steel “the best decision they have ever made.” The ancient general Alexander called strong enemies “walls of steel.” All this praise speaks to steel’s remarkable characteristics. In this blog, we will focus our attention specifically on steel’s versatility.

Steel can be used in a broad swath of temperature ranges

Highs

High-temperature grades of stainless steel can be used in temperatures up to 2100° F. This allows them to be used in furnaces, ovens, boilers, valves, and pipes. This also makes them ideal in the aerospace industry.

Lows

In low temperatures, many steel grades tend to become brittle after a certain threshold. A case in point was the steel hull of the Titanic which suffered brittle fracture in the steel bolts. However, modern steel grades have vastly improved on their low temperature range with cryogenic steels that show 100 Joules of toughness at -196 degrees Celsius.

Steel: perfect for exposure to chemicals and the elements

Hygiene

Stainless steel’s resistance to corrosion allows it to withstand many chemical cleaners. This makes it an ideal surface for many industries that require high levels of hygiene, especially in such applications as kitchens and chemistry labs.

Longevity

The Chrysler building’s stainless-steel roof, a pinnacle of Art Deco architecture, has only been cleaned three times since its construction in 1930! This is a strong flex on steel’s longevity and anti-corrosion properties that can resist the most damaging natural elements.

The average life of a steel product? 40 years.

Innovation and Specialization

The secret to steel’s versatility is the process of constant improvement since its discovery more than 4,000 years ago. With so much research, it’s no wonder that steel is such a specialized metal with an intricate grading system to categorize every form of steel.

Specialization

Whatever the job, there is a steel grade for it. Different techniques cause variances in ductility, toughness, machinability, and ability to be welded.

According to the World Steel Association, there are more than 3,500 grades of steel, each with its own unique properties. This includes the grades known as advanced high strength steels.

Innovation

When Hittites were creating steel 3,000 years ago, they probably created it by accident when the carbon from their furnaces mixed with iron. Since then, metalworkers have not only perfected the creation of different steel […]