Special Steel ASTM DIN JIS Standard 1020 Carbon Steel

Special Steel ASTM DIN JIS Standard 1020 Carbon Steel System 1

Special Steel ASTM DIN JIS Standard 1020 Carbon 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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Specifications

Material	AISI 1020, S20C, C22,1.0402	Round bar	Dia(mm)	Max 700
Process	EAF + LF + VD + Forged + Heat Treatment (optional)	Round bar	Length (mm)	Max 12000
Heat treatment	Normalized / Annealed / Quenched / tempered	Plate bar	Thickness(mm)	Max 200
Delivery condition	Hot forged +Rough machined (black surface after Q/T)+ Turned (optional)		Width(mm)	Max 3000
Test	Ultrasonic test according to SEP 1921-84 D/d		Length (mm)	Max 12000

Chemical Composition

Standards: ASTM,JIS,GB,EN(DIN,BS,NF)

Grade	C	Si	Mn	Cr	Ni	Cu
AIAI 1010	0.17~0.23	0.17~0.37	0.35~0.65	≤0.25	≤0.30	≤0.25

Application

Carbon steel rod applies to chemical industry, shipping industry,manufacturing industry, construction, decorate industry, electric power, pump shafts, sanitary wares, furniture handles, boiler, high temperature resistant,low temperature resistant,corrosion resistant

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Special Steel ASTM DIN JIS Standard 1020 Carbon Steel

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: What are the different passivation techniques used for special steel?: There are several passivation techniques used for special steel, including chemical passivation, electrochemical passivation, and mechanical passivation. Chemical passivation involves treating the steel surface with acids or other chemical solutions to remove impurities and create a passive film that protects against corrosion. Electrochemical passivation utilizes an electrical current to enhance the formation of the protective oxide layer. Mechanical passivation involves processes like abrasive blasting or grinding to remove contaminants and improve the surface finish. These techniques are commonly employed to enhance the corrosion resistance and durability of special steel.

Q: What is the impact of grain size on the mechanical properties of special steel?: The mechanical properties of special steel are significantly affected by the size of its grains. Grain size refers to the dimensions and arrangement of individual crystals within the steel structure. It is determined by various factors, including the speed at which the steel solidifies and subsequent heat treatments. In general, smaller grain sizes in special steel result in improved mechanical properties. This is because smaller grains provide more grain boundaries, which act as obstacles to the movement of dislocations and enhance the steel's strength. Smaller grains also contribute to a more uniform microstructure, enhancing overall toughness and resistance to fracture. Furthermore, smaller grain sizes promote higher hardness and increased resistance to wear in special steel. This is because the greater number of grain boundaries impedes dislocation movement, preventing plastic deformation and resulting in higher hardness values. Conversely, larger grain sizes can have a detrimental effect on the mechanical properties of special steel. Larger grains have fewer grain boundaries, allowing dislocations to move more freely. As a result, the strength, toughness, and hardness of the steel are diminished. Additionally, larger grains can lead to anisotropic behavior, where the mechanical properties vary in different crystallographic directions. This makes the steel more vulnerable to failure under specific loading conditions. Therefore, it is crucial to control and optimize the grain size in special steel to achieve the desired mechanical properties. This can be accomplished through precise heat treatments, such as annealing or quenching, which regulate the cooling rate and subsequent recrystallization processes. By controlling the grain size, special steel can be tailored to meet specific application requirements, ensuring optimal mechanical performance and reliability.

Q: What are the challenges in machining special steel alloys?: Machining special steel alloys poses several challenges due to their unique properties and characteristics. One of the primary challenges is their high hardness. Special steel alloys are often heat-treated to enhance their mechanical properties, resulting in increased hardness. This makes it difficult to machine them as traditional cutting tools may wear out quickly or become dull. The high hardness also increases the risk of tool breakage, leading to frequent tool changes and increased production downtime. Another challenge is the presence of abrasive elements in special steel alloys. Some alloys contain elements like chromium, tungsten, or vanadium, which can cause rapid tool wear and degradation. These abrasive elements can cause excessive tool wear, leading to reduced cutting tool life and increased machining costs. Moreover, the presence of these elements can result in poor surface finish and dimensional accuracy if not properly managed during the machining process. Special steel alloys also tend to have low thermal conductivity, which makes it difficult to dissipate heat generated during machining. This can lead to high temperatures at the cutting zone, resulting in thermal expansion and distortion of the workpiece. The heat can also affect the cutting tool, reducing its life and efficiency. Managing the heat generated during machining is critical to prevent workpiece deformation and maintain dimensional accuracy. Furthermore, the presence of alloying elements can make these steel alloys prone to work hardening. This means that the material becomes harder and more difficult to cut as the machining process progresses. Work hardening can lead to increased cutting forces, tool wear, and reduced surface finish. To overcome this challenge, machining parameters such as cutting speed, feed rate, and depth of cut must be carefully optimized to avoid excessive work hardening. In conclusion, machining special steel alloys presents challenges such as high hardness, abrasive elements, low thermal conductivity, and work hardening. Overcoming these challenges requires the use of specialized cutting tools, efficient cooling and lubrication systems, optimized machining parameters, and careful selection of machining strategies. By addressing these challenges effectively, manufacturers can achieve accurate and efficient machining of special steel alloys.

Q: Can special steel be used in the mining equipment manufacturing industry?: Yes, special steel can be used in the mining equipment manufacturing industry. Special steel, often known as alloy steel, offers improved strength, durability, and resistance to wear and corrosion compared to standard steel. These properties make it well-suited for the harsh and demanding conditions encountered in mining operations. Special steel can be utilized in various mining equipment components, such as drill bits, crushers, conveyor systems, and excavator buckets, to enhance their performance and prolong their lifespan.

Q: How does special steel contribute to the oil and gas aftermarket industry?: Due to its unique properties and capabilities, special steel plays a vital role in the oil and gas aftermarket industry. Its resistance to corrosion makes it well-suited for use in the harsh and corrosive environments commonly found in this sector. By preventing corrosion, special steel extends the lifespan of equipment and components, reducing the need for frequent replacements and maintenance. Additionally, special steel offers high strength and durability, enabling it to withstand the extreme pressures and temperatures encountered in oil and gas operations. This strength ensures that equipment and components made from special steel can function reliably and efficiently, even under demanding conditions. Moreover, special steel can be customized to meet the specific requirements of the oil and gas industry. With its various grades and compositions, special steel can possess specific properties, such as resistance to sulfide stress cracking, hydrogen embrittlement, and high-temperature oxidation. These tailored properties make special steel suitable for critical applications, including wellheads, pipelines, valves, and other equipment used in the oil and gas aftermarket industry. Furthermore, special steel allows for the production of complex and intricate components that are essential for the oil and gas sector. Its excellent machinability and weldability enable the creation of precision-engineered parts, ensuring the efficient and reliable operation of oil and gas equipment. In conclusion, special steel plays a significant role in the oil and gas aftermarket industry by providing corrosion resistance, high strength, durability, customization options, and the ability to manufacture intricate components. These properties make special steel indispensable in ensuring the safety, reliability, and efficiency of operations in the oil and gas sector.

Q: How does special steel contribute to the manufacturing industry?: Special steel contributes to the manufacturing industry by providing a versatile and high-quality material for the production of various components and structures. Its exceptional strength, durability, and resistance to corrosion make it ideal for manufacturing machinery, tools, and equipment that require reliability and long lifespan. Additionally, special steel's unique composition allows for precise customization, enabling manufacturers to create complex and intricate designs, meeting the specific needs and requirements of different industries.

Q: What are the properties of creep-resistant steel?: Creep-resistant steel is a type of steel that possesses certain properties to resist deformation under high temperatures and prolonged stress. These properties include high creep strength, which allows the steel to maintain its structural integrity even at elevated temperatures over long periods of time. Additionally, it has good resistance to creep rupture, meaning it can withstand high stress levels without fracturing. Creep-resistant steel also exhibits good thermal stability, low thermal expansion, and high resistance to corrosion, making it suitable for applications in industries such as power generation, oil and gas, and aerospace.

Q: How does the demand for special steel vary across different regions?: The demand for special steel varies across different regions due to several factors such as industrial development, infrastructure projects, and manufacturing activities. Regions with robust manufacturing sectors and infrastructure development tend to have higher demand for special steel as it is used in various applications like automotive, construction, and machinery. Additionally, regions with a higher focus on technological advancements and innovation may also have a greater demand for special steel due to its unique properties and capabilities. However, regions with limited industrial activities or dependence on specific sectors may exhibit lower demand for special steel. Overall, the demand for special steel is influenced by the specific economic and industrial characteristics of each region.

Q: How does special steel contribute to reducing production costs?: Special steel contributes to reducing production costs in several ways. Firstly, special steel has higher strength and durability compared to regular steel, which means that it can be used to make lighter and more efficient components. This leads to reduced material usage and lower costs. Additionally, special steel has superior corrosion resistance, which prolongs the lifespan of machinery and equipment, reducing the need for frequent repairs or replacements. Moreover, special steel can be customized to specific requirements, allowing for more precise manufacturing processes, minimizing waste, and optimizing production efficiency. Overall, special steel helps in minimizing material costs, maintenance expenses, and maximizing productivity, leading to significant reductions in production costs.

Q: How is special steel used in the production of bearings for high-speed applications?: Special steel is used in the production of bearings for high-speed applications due to its unique properties such as high strength, hardness, and resistance to wear and fatigue. These bearings are subjected to intense loads and rotational speeds, and special steel helps ensure optimal performance and longevity. The use of special steel in bearing production allows for improved precision, reduced friction, and increased durability, ultimately enabling bearings to withstand the demanding requirements of high-speed applications.

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