Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 1

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 2

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 3

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar System 4

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 3 m.t.

Supply Capability:: 10000 m.t./month

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Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Details of Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Name	Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar
Shape	Flat Bar
Standard	GB/ASTM/SAE/AISI/DIN/JIS/EN/BS
Surface Treatment:	Black/Peeling/Polished/Machined
Delivery Condition:	Hot Rolled or Forged/Peeled or Black Surface
Test	SGS/UT 100% Elements Testing
Certificate:	ISO/Mill Certificate
Service:	24 hours online service /
Service:	more than 20 years trading and manufacture
Quality Assurance:	the third party inspection, such as SGS, BV, TUV…etc. is acceptable
Packaging Details:	Seaworthy Packaging or as per customer's packing instruction

steel flat bar grade	A36, Q235, Q195, SS400, St37-2
steel flat bar standard	GB, ASTM, AISI, EN, JIS
steel flat bar thickness	1.8mm-17.75mm
steel flat bar width	10mm-870mm
steel flat bar length	6m, 9m, 12m or as customer requirement
steel flat bar technique	Slitting hot rolled steel coil

Specification of Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

Width	Thickness	Length	Theoretical Weight
(mm)	(mm)	(m)	(kg/m)
20	2	6/9/12	0.31
20	2.5	6/9/12	0.39
20	2.75	6/9/12	0.43
25	2.5	6/9/12	0.49
25	3.75	6/9/12	0.74
30	2.5	6/9/12	0.59
30	3.5	6/9/12	0.82
30	9.75	6/9/12	2.3
40	3.5	6/9/12	1.1
40	4.75	6/9/12	1.5
40	11.75	6/9/12	3.69
50	2.75	6/9/12	1.08
50	4.5	6/9/12	1.77
50	9.75	6/9/12	3.83
60	5.5	6/9/12	2.6
60	7.5	6/9/12	3.53
60	11.5	6/9/12	5.42
80	5.5	6/9/12	3.45
80	7.5	6/9/12	4.71
80	11.75	6/9/12	7.38
100	3.25	6/9/12	2.55
100	4.75	6/9/12	3.73
100	7.5	6/9/12	5.89
120	9.75	6/9/12	9.18
120	11.75	6/9/12	11.07
150	9.75	6/9/12	11.48
150	11.5	6/9/12	13.54
150	13.5	6/9/12	15.9
160	11.75	6/9/12	14.76
200	9.5	6/9/12	14.92
250	5.75	6/9/12	11.28
340	7.75	6/9/12	20.68

CNBM Introduction of Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar Supplier

CNBM International Corporation is the most import and export platform of CNBM group(China National Building Material Group Corporation) ,which is a state-owned enterprise, ranked in 270th of Fortune Global 500 in 2015.

With its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high quality series of refractories as well as technical consultancies and logistics solution.

Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

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can trust; you can relax and get on with doing business.
For any problem, please kindly contact us at any your
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Advantages

Industry experience over 20 years.
Shipment of goods -More than 70 countries worldwide.
The most convenient transport and prompt delivery.
Competitive price with best service.
High technical production line with top quality products.
High reputation based on best quality products.

Packaging & Delivery Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar Supplier

Packaging Detail	Sea worthy packing /as per customer's packing instruction
Delivery Detail	15 ~ 40 days after receiving the deposit

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Hot Rolled Grade ASTM A36_S235JR_SS400 Steel Flat Bar

FAQ:

Are you a trading company or manufacturer?	Manufacturer
What’s the MOQ?	3 metric ton
What’s your delivery time?	15-35 days after downpayment received
Do you Accept OEM service?	Yes
what’s your delivery terms?	FOB/CFR/CIF
What's the Payment Terms?	30% as deposit,70% before shipment by T/T
	Western Union acceptable for small amount.
	L/C acceptable for large amount.
	Scrow ,Paybal,Alipay are also ok
Why choose us?	Chose happens because of quality, then price, We can give you both. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposals.
What's your available port of Shipment?	Main Port, China
What’s your featured services?	Our service formula: good quality+ good price+ good service=customer's trust
Where are your Market?	Covering more than 160 countries in the world

Q:How does special steel perform in extreme environments?: Special steel is specifically designed to perform exceptionally well in extreme environments. It has superior resistance to corrosion, high temperatures, and pressure, making it highly reliable and durable. This type of steel can withstand harsh conditions such as extreme cold, intense heat, and corrosive chemicals, ensuring optimal performance and longevity even in the most challenging environments.

Q:What are the properties of ultra-high-strength steel?: Ultra-high-strength steel possesses exceptional mechanical properties, including high tensile strength, excellent toughness, and superior resistance to deformation, making it incredibly durable and robust. It exhibits remarkable load-bearing capabilities, enabling it to withstand heavy loads and extreme conditions without experiencing significant deformation or failure. Additionally, ultra-high-strength steel offers exceptional fatigue resistance, corrosion resistance, and the ability to maintain its structural integrity under high temperatures, making it an ideal material for demanding applications in industries such as aerospace, automotive, and construction.

Q:What are the properties and characteristics of special steel?: Special steel encompasses a type of steel that possesses distinct attributes and qualities, rendering it suitable for particular applications that demand exceptional strength, endurance, and resilience against diverse environmental factors. The properties and characteristics of special steel encompass the following: 1. Remarkable Strength: Special steel is renowned for its extraordinary strength, enabling it to endure heavy loads and extreme circumstances. This renders it ideal for applications requiring structural integrity and durability, such as the construction, automotive, and aerospace sectors. 2. Superb Resistance to Corrosion: Special steel is frequently alloyed with elements such as chromium and nickel, augmenting its resistance to corrosion and oxidation. This characteristic makes it immensely valuable in environments where exposure to moisture, chemicals, or extreme temperatures can rapidly deteriorate conventional steel. 3. Resistance to High Temperatures: Special steel is designed to maintain its mechanical properties and structural integrity even when subjected to elevated temperatures. It demonstrates exceptional thermal stability, making it suitable for applications involving intense heat, such as power generation, the oil and gas industry, and manufacturing processes. 4. Resistance to Wear: Special steel is frequently hardened and treated to enhance its resistance to wear. This trait enables it to withstand abrasive materials, friction, and erosion, making it suitable for cutting tools, machine parts, and wear-resistant components in heavy machinery. 5. Magnetic Characteristics: Certain types of special steel exhibit magnetic properties, rendering them ideal for applications in the electrical and electronics industries. Examples include electrical transformers, motors, generators, and magnetic shielding. 6. Machinability: Special steel is designed to be easily machined, enabling it to be shaped, formed, and fabricated into various components with precision. This attribute is crucial for industries requiring the production of intricate and complex parts in an efficient manner. 7. Cost-effectiveness: Despite possessing unique properties, special steel often proves to be cost-effective compared to other materials with similar performance characteristics. Its long lifespan, resistance to corrosion and wear, and versatility make it the preferred choice for numerous applications, offering a balance between performance and cost. In summary, special steel combines exceptional strength, resistance to corrosion and wear, heat resistance, and magnetic properties, making it a versatile material utilized in diverse industries. Its distinctive properties render it an indispensable component in applications where standard steel or alternative materials would not suffice.

Q:What is the role of research and development in advancing special steel technology?: The advancement of special steel technology relies heavily on research and development (R&D). Special steel, which refers to steel alloys with enhanced properties like high strength, corrosion resistance, heat resistance, or electrical conductivity, benefits greatly from R&D efforts. R&D activities are crucial for pushing the boundaries of special steel technology and creating new and improved alloys. Scientists and engineers continuously research and explore new compositions, manufacturing processes, and heat treatment techniques to enhance the properties and performance of special steels. One of the primary roles of R&D in advancing special steel technology involves discovering and developing new alloy compositions. R&D teams analyze the properties of different elements and their interactions to design steel alloys with desired characteristics. Through experiments and testing, they optimize the alloy to meet specific application requirements and enhance properties like strength, hardness, toughness, or other desirable traits. Additionally, R&D focuses on developing innovative manufacturing processes for special steel production. Techniques such as vacuum melting, rapid solidification, or powder metallurgy are employed to achieve a refined microstructure and improved mechanical properties. R&D teams work on optimizing these processes to enhance the overall quality, efficiency, and cost-effectiveness of special steel production. R&D also plays a crucial role in improving heat treatment techniques for special steels. Heat treatment is a critical step in fabricating special steels as it helps achieve desired microstructures and properties. R&D endeavors to optimize heat treatment parameters like temperature, time, and cooling rates to enhance the mechanical properties and performance of special steels. Furthermore, R&D contributes to the development of new testing and characterization methods for special steels. This enables the evaluation and validation of properties and performance under various conditions. Advanced techniques like electron microscopy, X-ray diffraction, and mechanical testing are employed to assess microstructural features, phase transformations, and mechanical behavior. Overall, R&D activities are indispensable for advancing special steel technology. Through continuous research, innovation, and optimization, R&D teams contribute to the development of new and improved alloys, manufacturing processes, heat treatment techniques, and testing methods. This ultimately leads to the advancement of special steel technology and its applications in industries like automotive, aerospace, energy, and construction.

Q:What are the main applications of special steel in the automotive electrical systems?: Special steel is commonly used in automotive electrical systems for various applications such as manufacturing electrical connectors, terminals, and wiring harnesses. It offers high conductivity, corrosion resistance, and superior strength, making it an ideal choice for components that require efficient flow of electrical current and durability in harsh environments. Additionally, special steel can also be utilized in the construction of sensors, relays, and other electronic devices within the automotive electrical system, ensuring reliable performance and longevity.

Q:Can special steel be used in the rubber manufacturing industry?: Yes, special steel can be used in the rubber manufacturing industry. Special steel is often used to create molds, tools, and equipment that are used in the production of rubber products. It is valued for its strength, durability, and resistance to wear and tear, making it suitable for various applications in the rubber manufacturing process.

Q:What are the applications of special steel in the aerospace industry?: Special steel has various applications in the aerospace industry due to its exceptional properties. It is commonly used in aircraft engines, landing gears, and structural components. Special steel's high strength-to-weight ratio, corrosion resistance, and ability to withstand high temperatures make it suitable for critical parts that require durability, reliability, and performance in extreme conditions. Additionally, its excellent fatigue resistance and ability to be heat-treated allow for the production of lightweight yet robust components, contributing to fuel efficiency and overall aircraft performance.

Q:What are the different heat treatment grades of special steel?: There are several different heat treatment grades of special steel, each with its own unique properties and applications. Some of the commonly used heat treatment grades include: 1. Annealed Steel: This grade of special steel is treated through the annealing process, which involves heating the steel to a specific temperature and then cooling it slowly to enhance its ductility and reduce its hardness. Annealed steel is typically used in applications where toughness and machinability are required. 2. Normalized Steel: Normalizing is a heat treatment process that involves heating the steel above its critical temperature and then cooling it in still air. This treatment refines the grain structure of the steel, improves its mechanical properties, and reduces internal stresses. Normalized steel is often used in applications where high strength and good weldability are desired. 3. Quenched and Tempered Steel: This grade of special steel undergoes a two-step heat treatment process. Firstly, the steel is heated to a high temperature and then rapidly cooled in a quenching medium such as oil or water. This process results in a hardened and brittle steel. To regain some toughness and reduce brittleness, the steel is then tempered by reheating it to a lower temperature. Quenched and tempered steel is commonly used in applications that require high strength, such as construction machinery, mining equipment, and automotive parts. 4. Precipitation Hardening Steel: This grade of special steel is treated by a combination of heat treatment and precipitation hardening. The steel is initially solution treated at high temperatures to dissolve alloying elements, followed by rapid cooling to retain a supersaturated solid solution. Subsequently, the steel is aged at a lower temperature for a specific period of time, allowing the formation of fine precipitates that contribute to increased strength and hardness. Precipitation hardening steel is utilized in applications where high strength and corrosion resistance are essential, such as aerospace components and high-performance tools. 5. Case Hardening Steel: Case hardening is a surface heat treatment process used to increase the hardness of the outer layer of steel while maintaining a tough and ductile core. This is achieved by carburizing or nitriding the steel, which introduces carbon or nitrogen into the surface layer, respectively. Case hardening steel is commonly used in applications requiring wear resistance, such as gears, bearings, and camshafts. These are just a few examples of the various heat treatment grades available in special steel. Each grade offers unique properties and advantages, allowing for a wide range of applications across different industries.

Q:How does special steel contribute to the manufacturing industry?: Special steel contributes to the manufacturing industry by providing a high-quality and versatile material that can be used in various applications. Its unique properties, such as increased strength, durability, and resistance to corrosion, make it suitable for manufacturing components and machinery used in sectors like automotive, aerospace, construction, and energy. Special steel enhances product performance, extends equipment lifespan, and enables the development of innovative solutions, ultimately driving productivity and competitiveness in the manufacturing industry.

Q:How does special steel contribute to the power transmission sector?: The power transmission sector relies heavily on special steel due to its exceptional properties and performance characteristics. Special steel is highly valued for its strength and resilience, making it an ideal material for manufacturing various components of power transmission systems. For example, transmission towers require special steel for their stability and durability, even in extreme weather conditions. Additionally, special steel's resistance to corrosion is particularly advantageous in the power transmission sector. Power transmission equipment often faces harsh environments, such as high humidity, chemical pollutants, and saltwater exposure, which can speed up corrosion. By using special steel in the manufacturing process, the risk of corrosion-related failures is significantly reduced, ensuring a reliable and uninterrupted power transmission. Furthermore, special steel's excellent electrical conductivity makes it a perfect choice for conductors and cables used in power transmission. Efficient transfer of electrical energy is crucial to minimize power losses and optimize the transmission process. Special steel conductors offer low resistance to the flow of electricity, enabling efficient power transmission over long distances. Moreover, special steel is also employed in the production of transformers and other electrical equipment used in power transmission. The magnetic properties of special steel make it an excellent material for transformer cores, facilitating efficient energy conversion and minimizing energy losses during transmission. In summary, special steel greatly contributes to the power transmission sector by providing strength, corrosion resistance, electrical conductivity, and magnetic properties. These properties ensure the reliability, efficiency, and longevity of power transmission systems, ultimately supporting the uninterrupted supply of electricity to industries, businesses, and households.

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