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Not enough words can describe just how valuable steel is when it comes to many different kinds of endeavors. For the construction industry, this material has been utilized for the purposes of adding stability to virtually almost any kind of structure. This may be in the form of reinforced bars, or steel beams, just to name a few. In construction, as well as other kinds of industries, its important to determine the many things to consider in buying steel products.
Not all steel materials have been manufactured in conjunction with industry-grade practices. On the end of the manufacturer, they may utilize low-carbon steel which has lower tensile strength meaning the material is more prone to different forms of warping and damage. On your end as a consumer, budget constraints might prevent you from purchasing a steel product whose qualities have been properly enhanced through different treatments. Read on to learn more about the various factors you have to consider when it comes to choosing steel.
The quality of the steel material is definitely a factor that you wouldnt want to overlook. For whatever purpose you may use this material, a poorly-made steel product will only result in undesirable situations.
To give another example, when youre choosing steel materials for piping installations, you have to ensure that the material wont just suddenly become more prone to perforations or cracks. Aside from the steel pipe not being able to serve its purpose, transporting fluids for purposes of ventilation leakage might take place in the pipes, causing a potential explosion.
To avoid this, you have to make sure that the steel pipe is not haphazardly done. Whether youre choosing seamless or seamed pipes, ensure that there are no irregularities in the shape of the material, which can be prone to breakage once subjected to the slightest bit of pressure.
In conjunction with the quality, you would also likely expect any steel product that youll purchase to provide the highest level of durability. Durable steel material can guarantee you that you wont have to spend an unnecessary amount of money in simply having to constantly make repairs or changes to the material. On another note, this is also a way for you to ensure the safety of your surroundings.
Not all kinds of steel have the same anti-corrosive properties. However, there are methods which can be undergone to increase this feature. In particular, galvanized steel, or steel which has been applied with a protective zinc coating, is typically more durable and stable compared to one which has not undergone the process.
Through galvanization, the ability of the steel product to withstand the changes caused by weathering is greatly enhanced. While you can always opt for stainless steel, which does not typically require galvanization, it can prove to be more expensive compared to galvanized steel.
Before purchasing a steel product, you have to make sure that you already have a clear picture in your mind of the specific material which you want. You wouldnt want to waste money on a material that does not do the job its meant for. On the other hand, you would also want to think about the long-term benefits of investing in a more expensive, yet more effective product.
To better illustrate this, picture a parking garage. While traditional steel beams may be used, youd be better off considering the alternative, being castellated steel beams. Theyre less expensive than the normal steel beams, but theyre more lightweight, durable, and are able to withstand the pressure created by carrying different loads.
Going back to piping installations, it would be more advantageous for you to purchase galvanized pipe fittings to go along with steel pipes. This further ensures that the entire material would be free from oxidation, which is not unacceptable in any process which involves the transmission of fluids.
The supplier is also another important consideration in buying steel products. This is, after all, your main point of contact when it comes to any inquiries regarding your questions.
A good steel supplier would be able to satisfactorily answer any inquiries you may have about their products. More importantly, they should be run by a team of experts who understand the different processes involved in steel-making galvanization, heat treatment, metal fabrication, and the like. If youre not necessarily knowledgeable about this kind of material, your supplier would be able to help you out. Furthermore, they would also be able to make suggestions for you with regards to the most appropriate product to use and have these products available in their inventory.
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Aside from all those attributes mentioned above, your steel suppliers reputability is also important. A way for you to ensure this is to conduct research on what their other customers say about them. You could also check information regarding how many years theyve been in the steel supplying industry for good measure.
The many properties of steel are one of the reasons why many industries make use of them. Of course, this would not be possible without having adequate knowledge of the things to consider in buying steel products.
When buying steel, make sure that its quality has met or exceeded industry standards. Steel should also be able to exhibit longevity, especially for high-power and high-impact uses in complex systems. Finally, youd need to have a clear understanding of what purpose the material would be used for in order to create more cost-efficient solutions for you.
5 Things to Consider When Buying Steel Products
Stainless steel is a commonly used material in applications ranging from medical instruments or chemical storage to transport or power generation because of its high corrosion resistance, hygiene, and strength. While there are more than 3,500 grades of steel, not all stainless steel grades are created equally.
With so many options, how can you ensure youre selecting the appropriate grade for your specific needs?
To determine which grade of steel will uphold best in a given environment, think about the conditions your final product will face. Extremely low pH, high stresses and high temperatures, and crevice corrosion negatively impact stainless steel performance. Steels in the austenitic T3XX series, like the common types 316 and 304 alloys, retain their strength, toughness, and corrosion-resistant properties over the broadest temperature range.
Corrosion resistance is the main reason for choosing austenitic stainless grades. Type 316, with its molybdenum addition, even resists chloride ions found in marine and chemical processing applications. With any steel grade, high-quality structural design is the best defense against corrosion.
Next, consider these three top mechanical qualities:
Stainless steel contains 1030% chromium as its alloying element, which is what helps it resist corrosion. The nickel addition in austenitic grades provides the highest toughness and ductility among stainless grades. Grades high in chromium, molybedenum, and nickel are the most resistant to corrosion.
Alloy content is not the only aspect to consider when choosing a grade of stainless steel; the materials processing also affects the mechanical response. The duration of time steel is held at different temperatures as part of its cooling process, as well as the total speed at which it is cooled can affect its overall quality.
While the hardness of carbon steels can be increased by heat treatment, austenitic stainless is hardened by cold working operations like rolling, bending, swaging, or drawing at temperatures below the recrystallization temperature. Be aware that increased hardness by cold working operations decreases other properties like elongation and impact resistance.
Austenitic stainless steel is widely available in bar, wire, tube, pipe, sheet, and plate forms; Most products require additional forming or machining before they can be used for their specific application.
Stainless steel tubing, for instance, may need bending or coiling, re-drawing, machining, welding, or end forming. If your stainless steel will see machining processes like CNC machining, drilling, reaming, bevel cutting, chamfering, knurling, or threading, choose a machining rate that mitigates the risk of work hardening or select a free-machining grade containing sulfur.
When welding any stainless steel parts, embrittlement in the weld area is a top concern. Choose a lower carbon grade like 304, 304L, or 316L to reduce carbide formation.
Many designers choose stainless steel for its aesthetic appearance, whether that appearance is a shiny, electropolished bright finish, a dull pickled finish, a matte surface polished to a specific RMS, or a light-absorbing black oxide coating. Austenitic stainless steel grades can take any of these finishes plus the common addition of passivation.
Customers may also need certification for application-specific specifications. For instance, ASTM A213 and A249 should be used for boiler, superheater, and heat-exchanger tubes, while ASTM A908 should be used for hard-drawn austenitic stainless steel industrial needle tubing. There are more than 12,000 ASTM standards, and each addresses a specification so customers know the technical standards tested for chemical composition, heat treatment or temper, and other physical and mechanical attributes.
Although high-performing austenitic stainless steels are the most expensive stainless steels upfront, they are well worth the investment. Choosing a corrosion-resistant material well-suited to its application reduces maintenance, downtime, and replacement costs. Life-cycle costing methods can quantify current and future costs and create an apples-to-apples comparison of different materials.
At Eagle Stainless we can help you prioritize your material requirements and guide you toward choosing the perfect stainless steel grades for your application. With quality management certifications in place since , our commitment to quality is evident at every step of the process and designed to help you make the best steel selection for your industrial application.
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