Facts About Steel Grades and Classifications

Posted on October 18, 2022 by admin

Steel is an alloy of iron and carbon, and sometimes other elements. Iron is the base metal of steel. Steel also contains varying amounts of other elements, such as manganese, sulfur, phosphorus, and silicon. These impurities alter the steel’s properties, which is why there are many types of steel with different strengths and applications. The amount of carbon in steel affects its hardness, strength, and durability. Because of its high tensile strength and low cost, it is a major component used in buildings, infrastructure, tools, ships, automobiles, machines, appliances, and weapons.

In this blog, we will explore some fundamental facts about the different kinds of steel, including varying grades, classifications, and more.

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Soft Steel Versus Hard Steel

Different types of steel are produced according to the properties required for their application. The strength of steel can be increased by adding alloys such as manganese, chromium, vanadium, and molybdenum. Steel with a low carbon content is known as soft steel, while higher-carbon steels are referred to as hard steels. The hardness of a steel is usually increased by heat treatment, which involves heating the steel to a high temperature and then cooling it rapidly. This process increases the steel’s strength and hardness, but it can also make the steel more brittle.

Most Prominent Grades of Steel

There are many different grades and types of steel, each with its own properties and applications. The most common steels are low-carbon steel, high-carbon steel, tool steel, alloy steel, spring steel and stainless steel.

Low-carbon steels are the most widely used type of steel. They have a carbon content of less than 0.25% and are very ductile. They are used for making auto parts, machine parts, pipes, railway tracks etc.

High-carbon steels have a carbon content of 0.55-1.0%. They are very strong and hard, but also brittle. They are used for making knives, cutting tools, springs etc.

Tool steels are high-carbon steels that contain one or more alloying elements (manganese, chromium, vanadium, or tungsten) in addition to carbon. They are very hard and tough, and are used for making cutting tools, drill bits etc.

Alloy steels are steels that contain one or more alloying elements (manganese, silicon, nickel, titanium etc.) in addition to carbon. They have different properties from carbon steels, and are used for making auto parts, machine parts, pipes etc.

Spring steels are low-carbon or medium-carbon steels that are used for making springs. They have a high carbon content (0.5-1.0%) and are very strong and tough.

Stainless steels are alloys of iron, chromium, and sometimes other elements (nickel, molybdenum, titanium etc.), that resist corrosion and oxidation. The chromium content of stainless steel ranges from 10% to 30%. Stainless steels are used for making kitchen utensils, surgical instruments, food processing equipment etc.

The recycling of steel is one of the most efficient and effective ways to reduce environmental pollution and conserve energy. Contact Zore’s Recycling division at 317-244-0700 to get paid cash on the spot for scrap metal recycling services in Indianapolis, Indiana.

Common Categories of Corrosion Resistant Alloys

Posted on August 14, 2020 by admin

Corrosion resistant alloys are also referred to as “CRA’s”, and they are a popular material in the world of welding and construction due to their high resistance to, you guess it, corrosion. There are various beneficial properties of corrosion resistant alloys, all of which have their own unique applications and functions in various industries all across the nation.

Continue reading to learn more about corrosion resistant alloys, including some common types, what they are best used for, and where you can recycle scrap metal materials in Indiana.

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Corrosion Resistant Alloys (CRA’s)

Corrosion resistant alloys are a type of metal that is specially designed and manufactured to resist deterioration, discoloration, degeneration, and other kinds of corrosion. There are many kinds of CRA’s to choose from, all of which ranging in level of resistance. Elements and condition like temperature, CO², Sulphur, environmental pH, and chloride ion concentration all affect resistance capabilities. These factors in turn affect the passive film’s stability (commencement of overall corrosion or pitting), re-passivation ease of initiated pits, dissolution rates or metal from pits, and the stress corrosion cracking (SCC) risk.

Common CRA’s on the Market:

There are various kinds of Corrosion resistant alloys available on the market today, however, there are 3 in particular that seem to take the lead on current trend. These include 316L (austenitic stainless steel), alloy 22, and Zeron® 100.

316L (Austenitic Stainless Steel) – The most common applications for 316L CRA include clad line pipe building, surface piping, and vessel cladding. One downfall is that it will pit of exposed to oxygen.

Alloy 22 – Alloy 22 is a CRA that is used for conditions that require resistance to oxidizing acid chlorides, wet chlorine, mixtures containing nitric acid or oxidizing acids with chlorine ions, formic and acetic acids, ferric and cupric chlorides, brine, salt water, and even reducing acids like sulfuric acid and hydrochloric acid.

ZERON® 100 – ZERON® 100 is highly resistant to both pitting and corrosion in the presence of salt water, stress corrosion cracking, and similar elemental conditions.

How to Recycle Scrap Metal in Indianapolis, Indiana

Call Zore’s Recycling at 317-244-0700 to recycle metal in Indianapolis, Indiana. Not only has Zore’s Inc. been a family owned and operated company for over 75 years, we pay cash on the spot for your metal commodities. We accept cans, sheet metal, appliances, vehicles, auto parts, equipment, and more! Request a free estimate, today.

The Four Categories of Steel

Posted on May 11, 2016 by admin

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There are several styles, grades, and sizes of steel to choose from. In fact, one of the most common questions among steel consumers involves the different types of steel. In order to know which steel best suits your metalwork project, you must first understand their differences. If you were to ask the American Iron and Steel Institute (AISI), they would tell you that steel can be categorized into four basic groups according to their individual chemical compositions.

These four groups include carbon steel, alloy steel, stainless steel, and tool steel. All steel is composed of both iron and carbon, but vary in type depending on certain physical, chemical, and environmental properties; all of which are determined by the amount of carbon and any additional alloys. Below are the descriptions of the four categories of steel, and facts about each.

Carbon Steel

Carbon steel can be further categorized into three groups: 1) Low carbon, 2) Medium carbon, and 3) High carbon. Low carbon, also called mild steel, is one of the largest categories of carbon steel, and generally contains anywhere from 0.04% to 0.30% carbon content. Depending on its intended use, other additives and alloys can be added to create desired properties. Medium carbon generally contains anywhere from 0.31% to 0.60% carbon content, as well as, a range of 0.60% to 1.65% of manganese content. High carbon steel is informally known as “carbon tool steel” and contains 0.61% to 1.50% carbon content. It is difficult to manipulate, and becomes very brittle when heat-treated.

Alloy Steel

Alloy steel also contains carbon, since all steel contains both carbon and iron. But alloy steel also contains a marginal amount of additional elements, such as Nickle (Ni), Chromium (Cr), and Manganese (Mn). This type of steel is popular and commonly used due to their wide availability, economical costs, ease of processing, and quality mechanical properties. In comparison to carbon steel, alloy steel is more responsive to mechanical and heat treatments. Heated alloy steel comes in wither annealed or normalized.

Stainless Steel

Stainless steel contains added alloys that make is extremely resistant to corrosion in comparison to carbon and alloy steel. This is why it is commonly used in the medical/surgical industries, appliance industry, hardware manufacturing industry, food processing/handling industry, architectural industry, and more. It contains both carbon and iron, as mentioned before, but stainless steel generally contains other alloys as well, such as Chromium (Cr), Molybdenum (Mo), or Nickel (Ni).

Tool Steel

Tool steel is a general term to describe a variety of steels that retain high-hardness and abrasion-resistance properties. Specific applications for tool steel include stamping, extrusion, dies, cutting, mold-making, or impact applications (i.e. hammers).

Recycle Steel in Indianapolis

Indianapolis Metal Recyclers 317-244-0700

Call Zore’s Recycling at 317-244-0700 to recycle steel in Indianapolis, Indiana. We pay cash on the spot for all steel scrap metal, and honor the highest returns in town based on current market prices for metal. We accept sheet metal, scrap metal, cars, trucks, power tools, construction equipment, appliances, electrical wiring, and more. Call 317-244-0700 to recycle metal in Indianapolis, IN today.