SAE 1020 Round Steel Bars Special Steel System 1

SAE 1020 Round Steel Bars Special Steel

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Products description details

1. Chemical Composition (%)

C	Si	Mn	Cr	Ni	Cu	P	S
0.17-0.23	0.17-0.37	0.35-0.65	≤0.25	≤0.30	≤0.25	≤0.035	≤0.035

2. Mechanical Properties

Tensile strength	Yield strength	Elongation rate	Contractibility rate	Hardness(HB)
≥410MPa	≥245MPa	≥25%	≥55%	≤156(without heat treatment)

3. Standard

GB:20, AISI: 1020, JIS: S20C

4. Specification

Dia: 8mm-480mm or according to your requirements

Length: 1m-12mm or according to your requirements

5. Delivery Condition

Hot rolled, forged, QT heat treatment and normalizing

6. Payment term

T/T, L/C or we can negotiate.

7. Delivery time

20days after the order confirmed

8. Characteristics

1) The strength and hardness of S20C/ 1020/ 20 is higher than that of S15C/ 1015/ 15.

2) Good plasticity and weldability.

3) Good toughness after hot rolling and normalization.

9. Application

High-quality carbon structural steel/S20C/ 1020/ 20

S20C structural carbon steel bar /1020 /20 can be used to be manufactured medium or small carburization or nitrocarburizing parts and press forging parts, such as lever shaft, selector fork of speed changing box, gear, heavy mechanical lever and shackle, etc.

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SAE 1020 Round Steel Bars Special Steel

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q:How is case-hardening steel used in the production of gears and camshafts?: Case-hardening steel is used in the production of gears and camshafts to enhance their strength and durability. This process involves heating the steel to a high temperature and then rapidly cooling it, creating a hard outer layer while maintaining a softer, more ductile core. This hardened surface layer provides resistance to wear, abrasion, and fatigue, ensuring the gears and camshafts can handle the demands of their respective applications.

Q:What are the main applications of special steel in the power transmission industry?: Special steel is widely used in the power transmission industry for various applications. Some of the main applications include manufacturing transmission towers, poles, and other structural components. Special steel is also utilized in the production of power line conductors, such as overhead wires and cables, due to its high strength and conductivity properties. Additionally, special steel is employed in the construction of power transformers, as it offers excellent magnetic properties and resistance to heat and corrosion. Overall, the use of special steel in the power transmission industry ensures reliable and efficient transmission of electricity.

Q:What's the difference between special steel and ordinary steel?: Special steel is a kind of steel with special chemical composition (alloying), produced by special process, special organization and performance, and can meet special requirement.

Q:How does special steel perform in terms of chemical resistance?: Special steel generally performs well in terms of chemical resistance. It is often designed to have high resistance to corrosion, oxidation, and chemical reactions with various substances. This attribute makes it suitable for applications in industries like oil and gas, chemical processing, and marine environments. However, the specific chemical resistance of special steel can vary depending on its composition and treatment, so it is important to consider the specific requirements and consult with experts when selecting the appropriate type of special steel for a particular application.

Q:How is high-temperature tool steel used in the production of hot work tools?: High-temperature tool steel is used in the production of hot work tools due to its excellent heat resistance and ability to maintain hardness at elevated temperatures. It is used to manufacture tools such as dies, molds, and punches that are subjected to extreme heat during processes like forging, extrusion, and die casting. The high-temperature tool steel retains its strength and hardness even at temperatures exceeding 1000°C, ensuring durability and prolonged tool life in demanding hot work applications.

Q:How is martensitic steel used in knife making?: Martensitic steel is commonly used in knife making due to its high hardness and excellent edge retention properties. Its ability to be heat treated and tempered makes it ideal for creating sharp and durable knife blades. The steel's fine grain structure allows for precise and detailed work, resulting in high-quality and long-lasting knives.

Q:How does special steel contribute to the power generation machinery industry?: Special steel plays a crucial role in the power generation machinery industry as it provides the necessary strength, durability, and resistance to extreme temperatures and corrosion. The use of special steel in components such as turbine blades, generator shafts, and boiler tubes enhances the overall efficiency and reliability of power generation machinery. Additionally, special steel's unique properties enable the production of more compact and lightweight equipment, leading to improved performance and reduced energy consumption.

Q:How is special steel made?: Special steel is made through a process called alloying, where different elements are added to iron to enhance its properties such as strength, durability, and resistance to corrosion. This alloying process can include elements like chromium, nickel, vanadium, and manganese, among others. The exact composition and manufacturing process can vary depending on the desired characteristics and application of the special steel being produced.

Q:How does special steel perform in terms of magnetic permeability?: Special steel has a relatively low magnetic permeability, making it less prone to magnetization and allowing it to resist the effects of external magnetic fields.

Q:How does special steel contribute to reducing product failures in high-stress applications?: Special steel contributes to reducing product failures in high-stress applications by providing enhanced mechanical properties and improved resistance to wear, corrosion, and fatigue. Its superior strength, toughness, and durability enable it to withstand extreme conditions and loads, ensuring the longevity and reliability of the products. Additionally, special steel allows for precise engineering and manufacturing, resulting in components that can withstand high stress without deformation or failure.

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