4140, 4340, 5120, 6150, 8620 Alloy Steel Bar Rod Hot rolled,Forged

1. What is an alloy steel bar/rod?

The main ingredients of alloy steel are substances other than carbon and iron, together with alloying elements like copper, manganese, aluminum, titanium, rare earths, and other substances. This type of steel has a long lifespan due to its high strength, excellent anti-corrosion, high and low-temperature resistance, wear resistance, and non-magnetic qualities.

As the degree of structural imbalance rises, alloy steel's reinforcing effect becomes more pronounced since it is stronger and tougher than carbon steel. In the normalized state, alloy steel's strength is noticeably higher than carbon steel's, in contrast to how little stronger alloy steel is when it is annealed. The strengthening effect of alloy steel is significant after quenching and tempering.

The carbon content of alloy steel, which is somewhat higher than that of carbon steel with the same carbon concentration, primarily determines its ability to be hardened. Alloy steel is useful for manufacturing sections in stainless steel projects because of its better hardenability and tempering stability. A thicker hardened coating is necessary for larger sizes, or steel parts need to be stronger, harder, more elastic, and tougher. Additionally, alloy steel can cool more slowly after quenching than carbon steel and is more difficult to distort or crack. This works well for intricate forms or deformation needs. Small parts have a distinct benefit.

2. Chemical composition of alloy steel bar/rod

3. Mechanical properties of alloy steel bar/rod

Alloy steel is a crucial component of structural engineering because of its great strength, hardness, and resistance to corrosion. Alloy steel has a longer service life and comparatively superior wear and high-temperature resistance than regular steel. Alloy steel excels in producing some mechanical parts that are lightweight, high-strength, high-durability, and employed in high-temperature and high-pressure conditions due to its relatively good toughness and plasticity.

The high strength of alloy steel

Due to the presence of certain alloying elements, alloy steel has higher yield and tensile strengths than regular carbon steel. One of the most crucial metrics for assessing the effectiveness of alloy steel devices is its strength index. Due to its great strength, alloy steel is frequently utilized in the automotive, aerospace, and aviation industries.

The high wear resistance of alloy steel

The alloy elements in alloy steel can be used in different proportions to increase the hardness and wear resistance of alloy steel. These alloying elements can form high-hardness compounds in steel, thereby increasing the hardness and wear resistance of alloy steel. This high wear resistance makes alloy steel widely used in engineering machinery, mining equipment, ships, and other fields.

High toughness of alloy steel

Alloy steel's high toughness is a reference to its strong anti-fracture and anti-brittleness, or how difficult it is to break under force and load. Steel alloy is frequently used in the production of machinery, the oil industry, shipbuilding, and other industries. Among these, ship safety has significantly increased.

High-temperature resistance of alloy steel

Alloy steel alloy components may keep their mechanical properties at high temperatures and exhibit good high-temperature stability. Alloy steel can be utilized in high-temperature situations such as aerospace engines, stoves, and other sectors that require great stability in such environments since it can keep mechanical attributes like strength, hardness, and wear resistance there.

4. Physical properties of alloy steel bar/rod

Density, thermal conductivity, linear expansion coefficient, and other characteristics of alloy steel are physical characteristics. Alloy steel has a lower heat conductivity and a lower linear expansion coefficient than regular steel, but it has a higher density and a proportionally smaller degree of expansion.

5. Specifications of alloy steel bar/rod

Being a trustworthy alloy steel bar/rod manufacturer and supplier, Shanghai Yinggui Metal Pbaructs Company aims to make manufacturing easier for our business partners. Shanghai Yinggui Metal offers 3120, 3150, 4130, 4140, 4340, 5120, 5140, 6150, 8620 etc.

6. Applications and characteristics of alloy steel bar/rod

Performance characteristics of alloy steel bar/rod steel

Alloy steel round bars are industrial parts materials made of various steel materials. Due to their high hardness and strong wear resistance, they are used as materials in various industries and have a wide range of applications. The following are the characteristics and applications of alloy steel round bars. scope.

1. Use imported cobalt powder and premium ultra-fine tungsten carbide as raw materials. 2. For standardized manufacturing, use the most cutting-edge low-pressure sintering preparation technology available. 3. It is really hard and strong. 4. It has good impact resistance and toughness, low expansion coefficient, thermal conductivity, electrical conductivity, good hardness, good wear resistance, high elastic modulus, high flexural strength, good chemical stability (acid, alkali, high-temperature oxidation resistance), low expansion coefficient, and iron and Its alloys have similar properties. 5. High-tech, precise, and modern equipment: German-imported 10MPa low-pressure sintering furnace. 6. Product characteristics: A variety of material grades are available to fulfill the demands of various applications, comprehensive requirements, and precise blank dimensions (reducing processing volume and enhancing production effectiveness).

Since the elemental composition of alloy steel is more complex, its heat treatment performance is also relatively higher. The strength, toughness, corrosion resistance, and processability of alloy steel can be improved through targeted heat treatment processes.

Alloy steel round rods have a wide range of applications. They are suitable for making tungsten steel drill bits, micro drill bits in the PCB industry, carbide drill bits in the machining industry, drill handles, push rods, wear-resistant precision parts, integral CNC milling cutters, and hole processing tools. High-quality materials etc.

7. Main alloy steel product brand list