SS400 Hot Rolled Steel Coil in Sheets First Grade

SS400 Hot Rolled Steel Coil in Sheets First Grade System 1

SS400 Hot Rolled Steel Coil in Sheets First Grade System 2

SS400 Hot Rolled Steel Coil in Sheets First Grade System 3

SS400 Hot Rolled Steel Coil in Sheets First Grade System 4

SS400 Hot Rolled Steel Coil in Sheets First Grade

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 3 m.t.

Supply Capability:: 100000 m.t./month

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SS400 Hot Rolled Steel Coil in Sheets First Grade

Detailed Information of SS400 Hot Rolled Steel Coil in Sheets First Grade

	C	Si		P	S	yield Strength MAp	Tensile strength MAp	Elongation %
A36	0.24	0.4		0.045	0.03	250	400-520	26
	C	Si	Mn	P	S	Cu
A283	≤0.27	0.15-0.4	≤0.9	≤0.035	≤0.04	≥0.2
Thickness:	6mm, 8mm, 12mm, 16mm, 20mm, 25mm, 30mm, 50mm, 80mm, 100mm, 150mm, 200mm
Width:	1500mm, 1800mm, 2000mm, 2200mm, 2500mm
Length:	6000mm, 8000m, can cut to width and length
Packing Details;	according to customer‘s require or export’s standard
Delivery time;	7 days for stock sizes, 20-25 days for new production sizes
Port:	Tianjin China

Related Products Overviews of SS400 Hot Rolled Steel Coil in Sheets First Grade

Product Name	Typical Grades	Diameter(mm)	Standard Adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/ JIS/DIN
	40 (1040/S40C/C40)
	45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
	GCr15 (52100/SUJ2/100Gr6)
	GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
	40Cr (5140/SCr440/41Cr4)
	42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
	20CrMn(5115/SMnC420/20MnCr5)
	20CrNiMo(8620/SNCM220/20CrMiMo2)

Related Products Application of SS400 Hot Rolled Steel Coil in Sheets First Grade

Carbon Steel	l Mold bottom l Plastic mold l Construction machinery parts l Automobile parts l Security grills l Screens l Construction
Bearing Steel	l Aerospace l Navigation l Nuclear energy l Chemical industry l Electronic information l Petrochemical l Instrument and meter l Transportation
Cr-Mo Steel	l Mechanism & Fasteners gear l Stressed components for vehicles l Engines and machines l Parts of larger cross-section
Gear Steel	l All kinds of gears l Statically and dynamically stressed component for vehicles l Engines and machine l Larger cross-section parts l Crankshafts

Company Introduction of SS400 Hot Rolled Steel Coil in Sheets First Grade

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.

SS400 Hot Rolled Steel Coil in Sheets First Grade

After-sale service

l CNBM provides the services and support you need for every step of our cooperation. We’re the business partners you can trust; you can relax and get on with doing business.

l For any problem, please kindly contact us at any your convenient time, we’ll reply you in our first priority within 24 hours

Advantages

l Industry experience over 20 years.

l Shipment of goods -More than 70 countries worldwide.

l The most convenient transport and prompt delivery.

l Competitive price with best service.

l High technical production line with top quality products.

l High reputation based on best quality products.

Packaging & Delivery of SS400 Hot Rolled Steel Coil in Sheets First Grade

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

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SS400 Hot Rolled Steel Coil in Sheets First Grade

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: What are the applications of special steel in the defense sector?: Special steel has numerous applications in the defense sector due to its exceptional strength, durability, and resistance to extreme conditions. It is commonly used to manufacture various components of weapons and military vehicles, such as gun barrels, armor plates, missile casings, and aircraft landing gear. Additionally, special steel is utilized in the construction of submarines, warships, and military infrastructure due to its corrosion resistance properties. Overall, special steel plays a crucial role in enhancing the performance, efficiency, and safety of defense equipment and infrastructure.

Q: What are the key properties of special steel?: The key properties of special steel include high strength, excellent toughness, good corrosion resistance, and high temperature resistance. Special steel is also known for its ability to be easily machinable and weldable, making it a versatile material for various industries such as automotive, aerospace, and construction.

Q: What are the applications of special steel in the railway industry?: Special steel has several important applications in the railway industry. It is commonly used for manufacturing railway tracks, as it possesses high strength and durability, ensuring the tracks can withstand heavy loads and frequent use. Additionally, special steel is employed in the construction of railway bridges and tunnels, offering excellent resistance to corrosion and extreme weather conditions. Moreover, special steel is utilized in the production of railway components such as wheels, axles, and couplers, ensuring optimal performance, safety, and longevity of the railway system.

Q: How is special steel used in the production of valves and fittings?: The unique properties and characteristics of special steel play a vital role in manufacturing valves and fittings. These components are essential in industries like oil and gas, chemical, petrochemical, and power generation. Also known as alloy steel, special steel offers superior strength, corrosion resistance, and durability compared to regular carbon steel. These qualities make it an ideal material for creating valves and fittings that can withstand high pressure, extreme temperatures, and corrosive environments. In valve production, special steel is commonly used for critical parts like the valve body, bonnet, stem, and more. The valve body houses internal components and seals the flow of fluids or gases. Special steel's high tensile strength and resistance to deformation ensure that the valve body can handle pressure and maintain a tight seal, preventing leaks. Similarly, special steel is used in manufacturing fittings, which connect pipes or other equipment in fluid or gas systems. Fittings made from special steel can endure high pressures, temperature changes, and corrosive media, guaranteeing a reliable and leak-free connection. Special steel alloys, like stainless steel or duplex stainless steel, are often chosen for their excellent corrosion resistance. They can withstand harsh environments, including exposure to chemicals, saltwater, and acidic or alkaline substances. This corrosion resistance is critical in preventing valve and fitting failure, maintaining system integrity, and avoiding costly downtime or accidents. Furthermore, special steel can be customized to meet specific requirements, such as resistance to high or low temperatures or exceptional wear resistance. This allows manufacturers to tailor valves and fittings based on the particular application and operating conditions, ensuring optimal performance and longevity. Overall, the exceptional strength, corrosion resistance, and durability of special steel make it a widely used material in valve and fitting production. These properties enable valves and fittings to perform reliably in demanding environments, ensuring the safe and efficient operation of various industries.

Q: How does special steel perform in magnetic fields?: Special steel is typically non-magnetic, meaning it has a very low magnetic permeability. This property allows it to perform well in magnetic fields, as it does not interfere with or distort the field.

Q: Can special steel be used for jewelry?: Yes, special steel can be used for jewelry. Special steel, such as stainless steel or titanium, is often used for making contemporary and modern jewelry pieces due to its durability, resistance to tarnish and corrosion, and affordability. It offers a unique and sleek aesthetic and can be crafted into various designs, making it a popular choice for jewelry makers and wearers alike.

Q: What are the different methods for quenching special steel?: Quenching is a critical step in the heat treatment process of special steel, as it helps to achieve the desired mechanical properties and improve the material's hardness and strength. There are several methods for quenching special steel, each with its own advantages and considerations. 1. Oil Quenching: This is one of the most commonly used methods for quenching special steel. The steel component is immersed in oil, which acts as a cooling medium. Oil quenching provides a moderate rate of cooling, allowing for controlled and uniform hardening. It is suitable for a wide range of steel grades and can prevent cracking or distortion. 2. Water Quenching: Water quenching is a faster cooling method compared to oil quenching. It provides rapid heat extraction, resulting in higher hardness and strength. However, the high cooling rate can also lead to increased risk of cracking or distortion, especially with thicker sections. Water quenching is commonly used for low-alloy steels and some high-alloy steels. 3. Polymer Quenching: Polymer quenching involves using a specialized polymer solution as the cooling medium. This method provides a controlled cooling rate, offering a balance between the slower oil quenching and faster water quenching. Polymer quenching can be particularly suitable for steels with complex shapes or critical dimensions, as it reduces the risk of distortion and cracking. 4. Air Quenching: Air quenching is a slower cooling method that involves allowing the steel component to cool in ambient air. It is typically used for steels with lower hardenability, as it provides a more gradual cooling rate. Air quenching can help to reduce the risk of distortion and cracking, but it may result in lower hardness and strength compared to other quenching methods. 5. Salt Bath Quenching: Salt bath quenching involves immersing the steel component in a molten salt bath as the cooling medium. This method provides a controlled and uniform cooling rate, reducing the risk of distortion and cracking. Salt bath quenching is particularly suitable for complex-shaped or delicate parts, as it minimizes the thermal stress during cooling. It is important to note that the choice of quenching method depends on various factors, such as the steel grade, desired hardness, component size and shape, and the required mechanical properties. Proper selection and implementation of the quenching method are crucial to achieving the desired material characteristics and ensuring the overall quality of the special steel product.

Q: How does special steel contribute to the manufacturing of precision instruments?: The manufacturing of precision instruments heavily relies on the use of special steel. This material possesses unique characteristics and properties that make it an ideal choice for such applications. To begin with, special steel boasts exceptional strength and durability, enabling precision instruments to withstand extreme conditions, heavy loads, and repetitive use. This quality ensures the longevity and reliability of these instruments, which is of utmost importance in critical industries such as aerospace, automotive, and medical. Furthermore, special steel exhibits excellent corrosion resistance, safeguarding the instruments from deterioration over time. This becomes particularly crucial for precision instruments that are exposed to a wide array of elements, chemicals, or moisture during their operation or storage. In addition, special steel provides high thermal stability, allowing precision instruments to maintain their accuracy even in varying temperature environments. This proves vital for instruments used in industries where temperature fluctuations may impact their performance, such as laboratories or manufacturing plants. Moreover, special steel can be tailored and customized to meet specific design requirements. It can be easily machined, formed, or welded into intricate shapes and parts, enabling manufacturers to create precision instruments with complex geometries and tight tolerances. This level of precision is essential for instruments utilized in fields like metrology, microscopy, or nanotechnology. Additionally, special steel possesses excellent magnetic properties, which can be advantageous for precision instruments that rely on magnetic fields for their operation. Examples of such instruments include magnetic resonance imaging (MRI) machines, compasses, or magnetometers. In conclusion, special steel significantly contributes to the manufacturing of precision instruments by providing strength, durability, corrosion resistance, thermal stability, customization options, and magnetic properties. These characteristics guarantee the performance, accuracy, and longevity of precision instruments, rendering them indispensable in various industries.

Q: What are the future trends and innovations expected in special steel production?: In the future, several trends and innovations are expected to shape the special steel production industry. Here are a few key areas where advancements are likely to occur: 1. Advanced Manufacturing Techniques: Special steel manufacturers are likely to adopt advanced manufacturing techniques such as additive manufacturing (3D printing) and digitalization. These technologies will facilitate the production of complex geometries, reduce waste, and enable customization of special steel products. 2. Sustainable Production: As environmental concerns continue to grow, there will be a focus on sustainable production methods in the special steel industry. This includes the adoption of energy-efficient processes, recycling and reusing materials, and minimizing the carbon footprint of steel production. 3. High-Strength and Lightweight Alloys: With the increasing demand for lightweight materials in various sectors like automotive and aerospace, special steel production is expected to focus on developing high-strength and lightweight alloys. These alloys will offer improved performance while reducing the weight of components, leading to fuel efficiency and enhanced sustainability. 4. Nanotechnology and Microstructural Engineering: Nanotechnology and microstructural engineering will play a significant role in enhancing the properties of special steels. By manipulating the material at the nanoscale, manufacturers can improve strength, toughness, corrosion resistance, and other characteristics. 5. Enhanced Surface Treatments: Advances in surface treatments, such as coatings, will contribute to the performance and longevity of special steel products. Innovative surface treatments will provide increased resistance to wear, corrosion, and heat, expanding the range of applications for special steels. 6. Digitalization and Data Analytics: The integration of digital technologies and data analytics will revolutionize special steel production. Smart factories with interconnected systems will enable real-time monitoring, predictive maintenance, and improved quality control, resulting in higher productivity and efficiency. 7. Automation and Robotics: Automation and robotics will continue to play a vital role in special steel production. Automated processes will optimize productivity, reduce human errors, and improve worker safety, thereby enhancing overall operational efficiency. 8. Industry 4.0 Integration: The special steel industry is expected to embrace Industry 4.0 principles, such as the Internet of Things (IoT) and artificial intelligence (AI). These technologies will enable seamless connectivity, intelligent decision-making, and predictive analysis, leading to improved productivity, cost-effectiveness, and competitiveness. Overall, the future of special steel production is likely to be driven by advancements in manufacturing techniques, sustainable practices, material engineering, digitalization, and automation. These innovations will not only enhance the performance and quality of special steel products but also contribute to a more sustainable and efficient industry.

Q: What are the requirements for special steel used in chemical processing?: The demands for special steel used in chemical processing are generally stricter compared to regular steel due to the harsh and corrosive nature of the chemicals involved. Some of the key prerequisites for special steel in chemical processing include: 1. Corrosion resistance: Special steel employed in chemical processing must possess a high resistance to corrosion caused by acids, alkalis, and other corrosive chemicals. This is accomplished by incorporating alloying elements like chromium, nickel, and molybdenum, which create a protective oxide layer on the steel's surface, preventing it from reacting with the chemicals. 2. High temperature resistance: Chemical processing frequently involves reactions at high temperatures. Consequently, special steel used in this industry must exhibit excellent heat resistance to maintain its strength and structural integrity under elevated temperatures. This is achieved by incorporating elements such as chromium, nickel, and tungsten, which aid in preserving the steel's stability at high temperatures. 3. Mechanical strength: Special steel employed in chemical processing should possess adequate mechanical strength to withstand the pressures and loads encountered in process equipment. This requirement is fulfilled by incorporating alloying elements like manganese, silicon, and carbon, which enhance the steel's strength and toughness. 4. Weldability: Weldability is a crucial requirement for special steel used in chemical processing as it allows for easy fabrication and installation of process equipment. Special steel with good weldability ensures robust and reliable joints, which are vital for the safe and efficient operation of chemical plants. 5. Resistance to stress corrosion cracking: Stress corrosion cracking is a significant concern in chemical processing environments. Therefore, special steel used in this industry should exhibit good resistance to stress corrosion cracking, which is accomplished by carefully selecting the alloying elements and controlling the material's microstructure. 6. Cleanliness: Special steel employed in chemical processing should be free from impurities and have a low content of harmful elements that could contaminate the process or react with the chemicals. This necessitates stringent quality control measures during steel production to ensure the desired cleanliness and purity. Meeting these requirements guarantees that special steel used in chemical processing can endure the aggressive chemical environment, high temperatures, and mechanical stresses encountered in the industry, resulting in safe and reliable operation of process equipment.

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