Structural Alloy Steel Round Bar S235JR Special Steel

Structural Alloy Steel Round Bar S235JR Special Steel System 1

Structural Alloy Steel Round Bar S235JR Special Steel System 2

Structural Alloy Steel Round Bar S235JR 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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Structural alloy steel round bar s235jr

Characteristics

1) Even material.
2) Good machinability and polishability.
3) High toughness and high plasticity.
4) High abrasive resistance in high temperature.
5) Excellent total hardenability.
6) Low deformability during heat treatment.
7) Better isotropy.
Application
1) Diecasting mould(mold, fixed block, upper die, jet nozzle, nitride thimble ).
2) Extrusion die(mold, supporting member, choke blocks).
3) Hot press die. (aluminum, magnesium, copper alloy)
4) Parts, such as cold cutting, overlap, hot shears, wearable parts.
5) Important parts for aviation industry.

Main Product

Carbon Steel Round Bar	SS400, S235JR,Q235, ASTM A36, Fe360A, Fe360B,SM400A,080A15, SS41,E235B
	SAE 1020, AISI 1020, ASTM 1020, S20C, 20#, 050A20
	SAE 1045, AISI 1045, ASTM 1045, S45C, 45#,EN8, XC45, XC48, 45B, C45, CK45, CM45, 060A47, R683/IC45e
Alloy Steel Round Bar	40Cr, DIN 1.7035, SAE 5140, AISI 5140, ASTM 5140, SCr440, 41Cr4, 530A40, 42Cr4, 40X, R683/VII3
	SAE4140,42CrMo, 42CrMo4, DIN 1.7225, SCM440,EN19, 42CD4, 708M40, R683/II3
	SAE 4340, 40CrNiMoA, EN24, SNCM439, 817M40,40XMA, R683/III4
	SAE 8620,,AISI 8620, ASTM 8620, 20CrNiMo,SNCM220, 805M20
	SAE52100, AISI52100,ASTM E52100, GCr15, SUJ2, 100C6, 100Cr6, 1.3505, 534A99, IIIX15

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Structural Alloy Steel Round Bar S235JR Special 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: 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 surface hardness and wear resistance. The process involves heating the steel at a high temperature and then rapidly cooling it, creating a hardened outer layer while maintaining a tough core. This hard outer layer allows gears and camshafts to withstand the high stresses and wear they experience during operation, increasing their durability and lifespan.

Q: What are the different methods of testing special steel for quality assurance?: There are several methods commonly used for testing special steel to ensure quality assurance. These methods include: 1. Chemical Analysis: This involves determining the composition of the steel by analyzing its chemical elements and their respective quantities. This helps to ensure that the steel meets the specified requirements and is free from any impurities. 2. Mechanical Testing: Mechanical testing assesses the strength, hardness, and other mechanical properties of the steel. Tensile tests, hardness tests, impact tests, and fatigue tests are some of the common mechanical tests performed on special steel. These tests help to evaluate the steel's performance under different conditions and ensure it meets the required standards. 3. Non-Destructive Testing (NDT): NDT techniques are used to detect any surface or internal defects in the steel without causing any damage. Magnetic particle testing, ultrasonic testing, radiographic testing, and dye penetrant testing are commonly employed methods for NDT. These tests are crucial in identifying any flaws that may compromise the steel's structural integrity. 4. Metallurgical Analysis: Metallurgical analysis involves the microscopic examination of the steel's microstructure to assess its quality. This analysis helps to identify any grain size variations, inclusions, or phase transformations that might affect the steel's performance. Metallography, optical microscopy, and electron microscopy are commonly used techniques for metallurgical analysis. 5. Corrosion Testing: Special steel is often exposed to harsh environments, making corrosion resistance a critical quality parameter. Corrosion testing evaluates the steel's resistance to corrosion in various conditions. Salt spray testing, electrochemical testing, and exposure to corrosive environments are some methods used for corrosion testing. 6. Dimensional Inspection: Dimensional inspection ensures that the special steel meets the specified dimensional requirements. This involves measuring the steel's dimensions, including length, width, thickness, and other critical dimensions, using calibrated instruments. By employing these various methods, manufacturers can thoroughly test special steel and ensure that it meets the required quality standards. This comprehensive testing helps to guarantee the performance, durability, and reliability of the steel in various applications.

Q: How does special steel perform under high-temperature conditions?: Special steel is specifically engineered to excel in high-temperature scenarios, showcasing impressive resistance against thermal expansion, oxidation, and creep. This enables the steel to uphold its structural integrity and mechanical properties when exposed to elevated temperatures. The exceptional performance of special steel can be attributed to its distinctive composition, often consisting of elements like chromium, nickel, and molybdenum. These alloying components create a protective oxide layer called passivation on the steel's surface, acting as a barrier against corrosion and further enhancing its ability to withstand high temperatures. Moreover, the microstructure of special steel is meticulously regulated through various heat treatment processes, including quenching and tempering, to attain optimal toughness and strength even in elevated temperature conditions. Consequently, special steel offers outstanding reliability and performance in high-temperature environments, making it the preferred choice for applications in power generation, aerospace, and petrochemical industries.

Q: Can special steel be used in the power generation equipment manufacturing industry?: Yes, special steel can be used in the power generation equipment manufacturing industry. Special steel, also known as alloy steel, offers enhanced properties such as high strength, corrosion resistance, and heat resistance. These qualities make it suitable for various components in power generation equipment, including turbines, boilers, and generators, which often operate under extreme conditions. By using special steel, manufacturers can ensure the durability, efficiency, and reliability of the equipment, thus meeting the demanding requirements of the power generation industry.

Q: How does special steel contribute to sustainable development?: Special steel contributes to sustainable development in several ways. Firstly, it is a highly durable and long-lasting material, which means that products made from special steel have a longer lifespan and require fewer replacements. This reduces the overall consumption of resources and decreases waste generation. Secondly, special steel is often used in energy-efficient applications, such as renewable energy infrastructure and energy-efficient transportation. These applications help reduce greenhouse gas emissions and contribute to the transition to a low-carbon economy. Lastly, the production of special steel involves continuous improvements in energy efficiency, waste reduction, and recycling. This helps minimize the environmental impact of the steel industry and promotes more sustainable manufacturing practices.

Q: Can special steel be recycled?: Yes, special steel can be recycled.

Q: How does special steel perform in tooling applications?: Special steel performs exceptionally well in tooling applications due to its unique properties and characteristics. Special steel, also known as tool steel, is specifically designed and manufactured to withstand the demanding conditions of tooling applications. One key advantage of special steel is its high hardness. Tooling applications often involve cutting, shaping, and forming hard materials, and special steel's hardness allows it to effectively withstand the extreme pressures and forces involved in these processes. This hardness also helps in retaining the sharpness of the cutting edges for extended periods, ensuring consistent and precise performance. Furthermore, special steel exhibits excellent wear resistance. Tooling applications typically involve repetitive and abrasive actions, which can cause considerable wear and tear on the tools. However, special steel's resistance to wear ensures that the tools maintain their performance and longevity, reducing the need for frequent replacements and downtime. Another important aspect of special steel is its excellent toughness. Tooling applications often subject the tools to sudden impacts and shock loads. Special steel's toughness enables it to absorb these impacts without fracturing or breaking, making it highly reliable and durable in such applications. Additionally, special steel offers good heat resistance and dimensional stability. Tooling applications often involve high temperatures, and special steel's ability to withstand heat prevents it from losing its hardness and other mechanical properties. This ensures consistent performance and dimensional stability, resulting in accurate and precise tooling. Lastly, special steel is also known for its corrosion resistance. Tooling applications may involve exposure to moisture, chemicals, or harsh environments, which can lead to corrosion and degradation of the tools. Special steel's corrosion resistance protects the tools from these corrosive elements, prolonging their lifespan and maintaining their performance. In conclusion, special steel is highly effective in tooling applications due to its hardness, wear resistance, toughness, heat resistance, dimensional stability, and corrosion resistance. These properties allow special steel tools to withstand the demanding conditions of tooling applications, ensuring reliable and long-lasting performance.

Q: How long does special steel last compared to regular steel?: Special steel generally lasts longer than regular steel due to its superior properties and enhanced durability.

Q: What are the different methods for joining special steel?: There are several methods for joining special steel, including welding, brazing, soldering, and mechanical fastening. Welding involves melting the steel pieces together using heat and filling the gap with a molten filler material. Brazing uses a lower melting point filler material to join the steel pieces together. Soldering is a similar process to brazing but uses an even lower melting point filler material. Mechanical fastening includes methods such as bolting, riveting, or using adhesives to hold the steel pieces together.

Q: What is the tensile strength of special steel?: The tensile strength of special steel varies depending on the specific grade and composition, but it is generally higher than that of regular steel and can range from 500 to 2,000 megapascals (MPa).

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