Special Steel Carbon Steel Round Bar S20C AISI 1020

Special Steel Carbon Steel Round Bar S20C AISI 1020 System 1

Special Steel Carbon Steel Round Bar S20C AISI 1020

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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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Product Information

◊ Standards and Chemical Composition:

Carbon Structural Steel Bar 20#(GB)
Standards	Model	Chemical Composition (%)
Standards	Model	C	Si	Mn	S(≤)	P(≤)
GB	20#	0.17-0.23	0.17-0.37	0.35-0.65	0.035	0.035
DIN	C22(1.0402)	0.17-0.24	0.40(max)	0.40-0.70	0.045	0.045
BS	IC22	0.17-0.24	0.40(max)	0.30-0.60	0.04	0.045
AISI/ATEM/SAE	1020	0.18-0.23	0.15-0.35	0.30-0.60	0.05	0.03
JIS	S20C	0.18-0.23	0.15-0.35	0.30-0.60	0.035	0.03

◊ Mechanical Property:

Carbon Structural Steel Bar 20#(GB)
Yield Strength(MPa)	Tensile Strength(MPa)	Elongation(%)	AKV(J)	Reduction in Area(%)	Hardness(HB)
245	410	25	54	55%	156

◊ Application:

We can see that the carbon steel bar has higher plasticity, better toughness and better welding performance. This kind of steel is good material in mading Lever shaft, Transmission shift folk, Heavy machinery trolley, Wheel gear, Mental loop, press forging parts, Rack rod, wear-resistant parts, for mold steel, etc.

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Special Steel Carbon Steel Round Bar S20C AISI 1020

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Special Steel Carbon Steel Round Bar S20C AISI 1020

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

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 does special steel contribute to reducing product maintenance requirements?: Special steel contributes to reducing product maintenance requirements by offering superior strength, durability, and resistance to corrosion and wear. This means that products made with special steel are less likely to break, degrade, or require frequent repairs or replacements. Its high-quality properties enable longer product lifespans and enhanced performance, ultimately minimizing maintenance efforts and costs for users.

Q:How is special steel used in the aerospace sector?: The aerospace sector heavily relies on special steel due to its distinctive properties, which make it suitable for various applications. One primary application in the aerospace industry involves using special steel to manufacture aircraft engine components. Turbine blades, shafts, and casings, which are exposed to extreme temperatures, pressures, and stresses, benefit from special steel's exceptional heat resistance, high strength, and superior mechanical properties. These qualities enable the engine parts to endure harsh conditions, ensuring optimal performance and safety. Special steel is also used in constructing aircraft structures like wings, fuselage, landing gears, and critical components. These structures must be lightweight yet strong enough to withstand flight forces. Special steel alloys, particularly stainless steel, strike a balance by providing excellent strength-to-weight ratios and corrosion resistance. Furthermore, aerospace fasteners, including bolts, nuts, and screws, rely on special steel's exceptional strength and durability to maintain the aircraft's structural integrity. Titanium alloys, known for their lightweight nature, high strength, and corrosion resistance, are frequently employed for this purpose. Additionally, special steel finds application in aerospace tooling and equipment production. Molds, dies, jigs, and fixtures used during manufacturing processes require materials that are robust, wear-resistant, and capable of withstanding high temperatures and pressures. Special steel, with its outstanding hardness, toughness, and heat resistance, proves to be ideal for these applications. In conclusion, special steel is indispensable in the aerospace sector as it provides the necessary properties for aircraft engine components, structures, fasteners, and tooling. Its unique characteristics, including high strength, heat resistance, lightweight, and corrosion resistance, contribute to the production of reliable and high-performance aerospace systems.

Q:Can special steel be used in the automotive racing industry?: Yes, special steel can be used in the automotive racing industry. Special steel alloys, such as high-strength or lightweight steels, can offer enhanced performance and durability, making them suitable for various racing applications. These steels can be used in the construction of engine components, chassis, suspension systems, and other critical parts, helping to improve speed, handling, and overall performance on the racetrack.

Q:Can special steel be used in the renewable energy sector?: Yes, special steel can be used in the renewable energy sector. Special steel offers high strength, corrosion resistance, and durability, making it suitable for various applications such as wind turbines, solar panels, and hydropower systems. It can help enhance the efficiency and longevity of renewable energy infrastructure, thereby supporting the transition to a more sustainable energy future.

Q:What are the different non-destructive testing techniques used for special steel?: There are several non-destructive testing techniques commonly used for special steel. These include magnetic particle testing, ultrasonic testing, radiographic testing, eddy current testing, and liquid penetrant testing.

Q:What are the different surface coating techniques for special steel?: There are several surface coating techniques available for special steel, including electroplating, thermal spraying, chemical vapor deposition (CVD), physical vapor deposition (PVD), and powder coating. These techniques are used to enhance the steel's corrosion resistance, improve its wear resistance, provide decorative finishes, or increase its hardness. Each technique has its own advantages and is suitable for specific applications, depending on the desired properties and requirements of the special steel.

Q:Can special steel be used in tool manufacturing?: Tool manufacturing can utilize special steel, which falls under a distinct steel category possessing unique properties and characteristics suitable for various applications, including tool production. To enhance its strength, hardness, and wear resistance, special steel is often alloyed with elements like chromium, molybdenum, or vanadium. In the realm of tool manufacturing, special steel frequently finds use in the creation of cutting tools, drills, dies, molds, and other tooling components. Its exceptional strength and hardness allow it to endure the rigorous conditions encountered during cutting, drilling, and shaping diverse materials. Furthermore, special steel exhibits excellent resistance to wear, heat, and corrosion, making it an ideal choice for tools that require long-lasting sharpness and performance. Additionally, special steel can undergo further processing and treatment through techniques like quenching and tempering to achieve specific levels of hardness and enhance overall performance. This versatility positions special steel as the preferred material for tool manufacturers who prioritize durable, precise, and long-lasting products. All in all, special steel has established itself as a reliable and effective material in tool manufacturing, enabling the production of high-quality tools that satisfy the requirements of various industries, ranging from automotive and aerospace to construction and manufacturing.

Q:How does special steel perform in high-temperature corrosion?: Special steel is specifically designed to perform well in high-temperature corrosion environments. It possesses unique properties that make it highly resistant to oxidation and corrosive reactions at elevated temperatures. One of the key factors that contribute to special steel's performance in high-temperature corrosion is its high chromium content. Chromium forms a protective oxide layer on the surface of the steel, known as a passive film, which acts as a barrier against corrosive elements. This passive film is stable even at high temperatures, preventing the steel from undergoing oxidation and corrosion. Additionally, special steel often contains other alloying elements such as nickel, molybdenum, and titanium, which further enhance its resistance to high-temperature corrosion. These elements increase the steel's ability to withstand aggressive chemical environments, such as those encountered in industrial processes involving high temperatures and corrosive substances. Furthermore, special steel is known for its excellent mechanical properties, including high strength and toughness, which enable it to withstand the harsh conditions of high-temperature corrosion. It can maintain its structural integrity and dimensional stability even when exposed to extreme temperatures and corrosive chemicals. Overall, special steel's superior resistance to high-temperature corrosion makes it an ideal choice for various applications in industries such as petrochemical, power generation, and aerospace. Its ability to maintain its performance and durability in challenging environments ensures the longevity and reliability of equipment and structures, ultimately reducing maintenance and replacement costs.

Q:What are the different methods of surface hardening for special steel?: Special steel can be surface hardened using various methods. These methods comprise: 1. Carburizing: By subjecting the steel to a carbon-rich environment, such as gas or liquid, carbon atoms can infiltrate the steel surface. This results in enhanced surface hardness and wear resistance. 2. Nitriding: Steel is heated in an environment rich in nitrogen, causing nitrogen atoms to permeate the surface. This creates a durable, wear-resistant outer layer. 3. Induction hardening: By passing an alternating current through a coil, a magnetic field is generated, inducing electrical currents in the steel. The resistance to these currents generates heat, leading to high surface temperatures and rapid quenching, ultimately increasing hardness. 4. Flame hardening: The steel surface is heated using a flame or oxy-fuel torch, followed by quenching in water or oil. The swift cooling from elevated temperatures facilitates surface hardening. 5. Laser hardening: Laser beams are employed to rapidly heat a specific area of the steel surface, which is then promptly cooled with a coolant. This localized heating and cooling process enhances the hardness of the treated region. 6. Plasma nitriding: Steel is placed in a low-pressure plasma chamber, where nitrogen ions bombard the surface, facilitating nitrogen diffusion and the formation of a hardened layer. Each method offers distinct advantages and is suitable for diverse applications and types of special steel. The selection of a surface hardening method depends on factors such as desired hardness, dimensional limitations, and specific application requirements.

Q:What are the different testing methods for special steel?: There are several testing methods that are commonly used for special steel to ensure its quality and performance. These methods include: 1. Chemical Analysis: This method involves determining the chemical composition of the steel, including the presence of various elements and impurities. It helps in verifying the steel's adherence to specific chemical composition requirements. 2. Mechanical Testing: This testing method is used to evaluate the mechanical properties of special steel, such as its strength, ductility, hardness, and toughness. It includes tests like tensile testing, impact testing, hardness testing, and fatigue testing. 3. Microstructure Analysis: Microscopic examination of the steel's microstructure is essential to assess its internal structure, grain size, and shape. Techniques like optical microscopy, electron microscopy, and X-ray diffraction are used to observe the steel's microstructure and identify any defects or abnormalities. 4. Non-Destructive Testing (NDT): NDT methods are used to inspect the steel without causing any damage to it. These methods include ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing. They help detect surface and subsurface defects such as cracks, voids, inclusions, and discontinuities. 5. Corrosion Testing: Special steel is often used in applications where resistance to corrosion is crucial. Various corrosion testing methods, such as salt spray testing, electrochemical testing, and immersion testing, are used to evaluate the steel's resistance to corrosion and determine its corrosion rate. 6. Metallography: Metallographic testing involves preparing a cross-section of the steel sample, polishing it, and etching it to reveal its microstructure. It helps in assessing the quality, heat treatment effects, and grain size distribution of the steel. 7. Dimensional and Surface Inspection: This testing method ensures that the special steel meets the required dimensional tolerances and surface quality. Techniques such as dimensional measurement, surface roughness measurement, and visual inspection are used to verify the steel's conformity. By employing these testing methods, manufacturers and quality control personnel can ensure that special steel meets the necessary standards, specifications, and customer requirements.

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