Yijin Industry Co. , Ltd is an enterprise specializing in the production, sales and import and export of metal materials. The company's products include steel, Stainless steel,aluminum alloy, copper alloy, nickel-based alloy and other metal materials, which are widely used in aerospace, automobile, construction, electronics, machinery and other fields.
Our company has advanced production equipment and a professional technical team to ensure the high quality and stability of products. At the same time, the company also pays attention to environmental protection and sustainable development, adopts environmental protection technology in the production process, and strictly abides by national and international environmental protection regulations.
Why Choose Us
Rich Experience
Adhering to the business philosophy of "quality first, reputation first", Yijin is committed to providing high-quality metal materials and high-quality services to global customers.
Professional Team
The company has a complete after-sales service system and a professional technical support team, which can respond to customer problems and needs in a timely manner, provide customers with beneficial technical guidance and solutions, and enhance customer loyalty and satisfaction.
High Quality
The company continuously strives to promote the construction of products and brands, actively carries out publicity activities, and establishes a good corporate image and brand image. At the same time, the company also pays attention to improving product quality. Through continuous improvement of technology and process, the competitiveness of products and market share have been improved.
Quality Control
We have established long-term and stable cooperative relations with many well-known domestic and foreign steel mills, aluminum factories and other metal material manufacturers, and has a stable supply capacity of a large number of high-quality raw materials, reducing procurement costs. It can also provide customers with better product quality assurance.
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40CrNiMoA Structural Steel Bar
Products Description 40CrNiMoA Chemical composition: C :0.37--0.44 Si:0.17--0.37 Mn:0.50--0.80 S
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Products Description DIN-14NiCr10 In terms of mechanical properties, 14NiCr10 has a relatively high
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Products Description In terms of chemical composition, SAE 3145 typically consists mainly of iron
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Products Description Medium carbon steel AISI 1052 is a remarkable material with a wide range of
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Products Description 55SI2Mn Spring Steel is a remarkable material with a wide range of
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SUP6 | 65Mn | 1065 | High Carbon Spring Steel
Products Description SUP6, 65Mn, 1065, these are all types of high carbon spring steel with
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145Cr6, 1.2063, NC6 Tool Steel
Products Description 145Cr6, 1.2063, NC6 Tool Steel 145Cr6, 1.2063, and NC6 tool steel are highly
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Products Description SKD4 Japan Tool Steel is a renowned material with distinct chemical
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Moreover, AISI 1049 carbon steel has good fatigue resistance, which is essential for components
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AISI 1049 Carbon Steel UNS G10490
Products Description AISI 1049 Carbon Steel UNS G10490 is a remarkable material with a wide array
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Products Description In the field of metalworking and fabrication, AISI 1050 Steel is highly
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Products Description In the manufacturing sector, it is commonly employed in the production of
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Carbon steel is a common type of steel that is an alloy of iron and carbon. It has a higher carbon content, lower melting point and greater durability compared to stainless steel.
Carbon steel is the most widely used engineering and construction material for industrial applications on a large scale, including marine structures, power plants, transportation, chemical processing and petroleum production and refining.
Carbon steel is a special type of steel that, as the name suggests, has a higher concentration of carbon than other types of steel. Two-and-a-half percent carbon may sound insignificant, but it introduces several attractive benefits that aren’t found elsewhere.
Durability
One of the most significant benefits of carbon steel cookware is its durability. Carbon steel is made by heating iron until it is red hot and then adding carbon. The result is a material that is tough, durable, and can withstand high temperatures. Unlike non-stick pans, which can scratch and peel over time, carbon steel pans can last a lifetime if properly cared for.
Even Heating
Another advantage of carbon steel is its ability to heat evenly. Unlike stainless steel, which can have hot spots, carbon steel heats up more uniformly, which means your food will cook evenly. This even heating makes it easier to control the temperature of your food, ensuring that it cooks to perfection.
Versatility
Carbon steel cookware is incredibly versatile. You can use it to cook a wide range of dishes, from stir-fries to omelets, and even bake bread. Carbon steel pans can be used on all types of stovetops, including gas, electric, and induction. You can also use them on a grill or over an open flame.
Non-Toxic
Unlike some non-stick coatings, carbon steel is non-toxic. There is no risk of harmful chemicals leaching into your food, even when cooking at high temperatures. This makes it a safe choice for cooking, especially if you have concerns about the safety of non-stick coatings.
Easy to Clean
Carbon steel pans are relatively easy to clean. They do require seasoning, which involves coating the pan with oil and heating it in the oven. This seasoning process creates a non-stick surface and protects the pan from rust. After each use, you can clean the pan with hot water and a scrubber, and it will be as good as new.
Types of carbon steel and their properties
Carbon steel is a versatile and widely used material that comes in a variety of types, each with its own unique properties. Some of the most common types of carbon steel include:
Low Carbon Steel: Also known as mild steel, this type of carbon steel contains a low amount of carbon (up to 0.3%) and is easy to shape and weld. It’s commonly used for structural applications, such as buildings and bridges.
Medium Carbon Steel: With a carbon content of 0.3% to 0.6%, medium carbon steel is stronger than low carbon steel but still easy to machine and weld. It’s often used for gears, axles, and other machine parts.
High Carbon Steel: This type of carbon steel contains a carbon content of 0.6% to 1.4%, making it strong and hard but also less ductile and difficult to weld. It’s commonly used for cutting tools, knives, and springs.
Ultra-High Carbon Steel: With a carbon content of more than 1.4%, ultra-high carbon steel is extremely strong and hard but also brittle and difficult to work with. It’s used in applications that require extreme hardness, such as drill bits and saw blades.
Carbon steel is a versatile and widely used material in many industries. Its unique properties, such as high strength, durability, and affordability, make it a popular choice for a variety of applications.
Construction
Carbon steel is widely used in the construction industry for building infrastructure, such as bridges, buildings, and pipelines. It is used in the form of plates, bars, and tubes to construct the structural framework of buildings and other structures. Low-carbon steel is the metal of choice for these commercial, government, and residential construction structures.
Automotive
High carbon steel is used extensively in the automotive industry to manufacture components such as engine parts, suspension systems, and body panels. High-strength low-alloy (HSLA) carbon steels are also used in the manufacture of automotive safety components, such as seat belt pretensioners and airbag systems.


Manufacturing
Carbon steel is used in the manufacturing industry to produce a wide range of products, including machinery, tools, and equipment. Low carbon steel is often used to make cutting tools, drills, and gears because of its high strength and wear resistance.
Oil And Gas
High carbon steel is used extensively in the oil and gas industry for drilling equipment, pipelines, and storage tanks. It is highly resistant to corrosion and can withstand high pressure and temperatures, making it an ideal material for these applications.
Infrastructure
Low carbon steel is used in the infrastructure industry for water and sewage treatment plants, power plants, and communication towers. It is also used in the manufacture of street furniture, such as benches and bollards.
Food Industry
Low carbon steel is used in the food industry to manufacture equipment such as meat processing machines, food packaging machines, and kitchen utensils. It is also used in the manufacture of commercial ovens and grills.
How Strong Is Carbon Steel Vs. Mild Steel?
It is commonly asked whether carbon steel is harder than mild steel, but this is another trick question because mild steel is a type of carbon steel. However, there is a difference in hardness between the different types of carbon steel. Generally, the higher the carbon content in steel, the harder the steel is. However, this also means that the harder the steel, the more brittle it is. This means that high-carbon steel is harder than low-carbon steel but is also more brittle. This balance between hardness, ductility, and malleability makes mild carbon steel the ideal choice for most applications.
Carbon Steel Categories
As mentioned earlier, all steel contains carbon as the main alloying element, but the amount of carbon present dictates the type of steel grade and its properties. The choice of carbon steel type depends on the specific requirements of an application, taking into account factors such as strength, hardness, ductility, and toughness. Here, we break down the differences between mild steel, medium carbon steel, high, and ultra-high carbon steel.
Mild Steel
Mild steel, also known as “low-carbon steel,” is the most common form of steel for many reasons. It costs less while providing the material properties needed for most industrial applications. With approximately 0.05–0.25% carbon, mild steel’s composition makes it malleable and ductile. While mild steel has a lower tensile strength than other carbon steel types, it is more pliable and easier to form. You can also harden mild steel with various treatment processes. Mild steel is machinable and weldable, which aids in its usefulness for most applications.
Process of Carbon Steel
Raw Materials: The primary raw materials used in the production of carbon steel are iron ore, coal, and limestone. Iron ore is mined and then processed into iron, which is then melted in a blast furnace along with coke (a type of coal) and limestone. The coke acts as a reducing agent, reacting with the iron ore to remove oxygen and other impurities.
Steel Making: Once the iron has been melted, it is then converted into steel through a process called steelmaking. There are two main methods of steelmaking: the basic oxygen process (BOP) and the electric arc furnace (EAF) process.
Basic Oxygen Process (BOP): In the BOP process, oxygen is blown into the molten iron to remove impurities such as carbon, silicon, and manganese. The resulting steel is then poured into molds and cooled, forming a solid steel billet.
Electric Arc Furnace (EAF) Process: In the EAF process, scrap steel is melted in an electric arc furnace using electricity generated from natural gas or coal. The resulting molten steel is then poured into molds and cooled, forming a solid steel billet.
Rolling: Once the steel billet has cooled, it is then shaped into various forms such as plates, sheets, or bars through a process called rolling. The billet is passed through a series of rollers that gradually reduce its thickness and shape it into the desired form.
Annealing: After rolling, the steel may be subjected to a process called annealing, which involves heating the steel to a high temperature and then slowly cooling it to relieve internal stresses and improve its ductility and toughness.
Finishing: The finishing stage of carbon steel making involves several processes that refine the chemical composition and physical properties of the steel to meet specific requirements. The finishing stage of carbon steel making is crucial in ensuring the quality and consistency of the final product. The production involves finishing the steel to the desired surface finish, such as polishing, painting, or coating.
Carbon Steel vs Other Metals
Carbon steel is one of the most common and widely used metals in the world, but it is not the only one. There are many other types of metals, such as stainless steel, aluminum, copper, etc., that have different properties and applications.
Composition
The main difference between carbon steel and other metals is the composition. Carbon steel is an alloy of iron and carbon, with a carbon content ranging from 0.04% to 2.1%, depending on the grade. Other metals have different compositions, depending on the type and the grade.
The difference in the composition affects the properties and performance of the metals. The silicon and magnesium content of aluminum improves the strength and hardness of the metal, while the copper content improves the electrical and thermal conductivity. The zinc and tin content of copper improves the corrosion resistance and the ductility of the metal, while the nickel content improves the strength and the hardness.
Corrosion Resistance
The main similarity between carbon steel and other metals is the corrosion resistance. All metals have some degree of corrosion resistance, which means they can resist the reaction with oxygen, water, and other substances, and thus prevent corrosion, rust, and stains. However, the degree of corrosion resistance varies depending on the type and the grade of the metal. Generally, the higher the chromium and nickel content, the higher the corrosion resistance, while the higher the carbon and iron content, the lower the corrosion resistance.
Stainless steel is also resistant to various organic and inorganic acids, alkalis, and salts, which can prevent pitting, crevice, and stress corrosion cracking. Stainless steel is suitable for applications that require high resistance to rust and corrosion, such as outdoor and marine environments, food and beverage, medical and pharmaceutical, chemical and petrochemical, etc.
Strength
The main difference between carbon steel and other metals in terms of strength is the carbon content. The carbon content of carbon steel affects its hardness and strength, which are the resistance of the metal to indentation and deformation. Generally, the higher the carbon content, the higher the hardness and strength, while the lower the carbon content, the lower the hardness and strength.
High carbon steel can withstand high stress and pressure, but it is more prone to cracking and breaking. High carbon steel is suitable for applications that require high performance and durability, such as cutting tools, springs, and wires.
Our Factory
The company's import and export business volume has increased year by year and has become one of the company's important businesses. Adhering to the tenet of "quality first, customer first", the company continuously improves service levels and product quality to meet market demand and customer expectations, and contribute to the development of the metal material industry.




FAQ
As one of the leading carbon steel suppliers in China, we warmly welcome you to wholesale bulk high-grade carbon steel in stock here from our factory. All metal materials are with high quality and competitive price.
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