Hot Rolled Carbon Steel Plate_Sheet with High Quality

Hot Rolled Carbon Steel Plate_Sheet with High Quality System 1

Hot Rolled Carbon Steel Plate_Sheet with High Quality System 2

Hot Rolled Carbon Steel Plate_Sheet with High Quality System 3

Hot Rolled Carbon Steel Plate_Sheet with High Quality System 4

Hot Rolled Carbon Steel Plate_Sheet with High Quality

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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 Carbon Steel Plate_Sheet High Quality

Standard	Steel Grade
EN10025	S235JR,S235J0,S235J2
DIN 17100 DIN 17102	St33,St37-2,Ust37-2,RSt37-2,St37-3 StE255,WstE255,TstE255,EstE255
ASTM	A36/A36M A36 A283/A283M A283 Grade A,A283 Grade B, A283 Grade C,A283 Grade D A573/A573M A573 Grade 58,Grade 65,Grade 70
GB/T700	Q235A,Q235B,Q235C,Q235D,Q235E
JIS G3106	SS330,SS400,SS490,SS540,SM400A,SM400B,SM400C

Hot Rolled Carbon Steel Plate_Sheet High Quality

Product Name	Steel Grade	Thickness	Width	Application
Product Name	Steel Grade	(mm)	(M)	Application
General structural steel	Q195,Q215A-Q,235A/B/C/D ,	1.9~25.4mm	0.7~2	Applied for
	Q275A/B/C/D,			normal construction
	SS330SS400SPHT1/2/3
	Q235CQ235D.
	A36
Low Carbon steel	SPCCSPHCSt12SAE1008	1.9~25.4mm	0.7~2	Applied for cold rolling
	SPHDSPCDKSt12St13	1.9~25.4mm	0.7~2	or cold forming
	SPHESPCESt14 IF3 BH340	1.9~25.4mm	0.7~2
Carbon constructional	08-45#08Al15 AlS 20C S35C S45C	1.9~25.4mm	0.7~2	After being machined
Quality steel	K08AlZ06-10AlP			and hot treated to used
				as mechanical component
Low-alloy	SM490ASM490YA15Mn	1.9~25.4mm	0.7~2	Applied for normal
Constructional steel	Q345A/B/C/D/E	1.9~25.4mm	0.7~2	construction
Hot Rolled Steel	Q235 and customed.	2.0mm~ 8.0mm	0.9

CNBM Introduction of the Hot Rolled Carbon Steel Plate_Sheet 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.

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

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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 of the Hot Rolled Carbon Steel Plate_Sheet

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 Carbon Steel Plate_Sheet with High Quality

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 under high-temperature oxidation?: Special steel is specifically designed to have excellent performance under high-temperature oxidation. It is made using alloys that contain a high amount of chromium, which forms a protective layer of chromium oxide on the surface of the steel when exposed to high temperatures. This chromium oxide layer acts as a barrier, preventing further oxidation of the steel and protecting it from corrosion. The high chromium content in special steel also enhances its resistance to scaling, which is the formation of thick oxide layers on the surface of the steel. Scaling can weaken the steel and lead to its failure under high-temperature conditions. However, special steel maintains its structural integrity even at elevated temperatures due to its ability to resist scaling. In addition to chromium, special steel may also contain other alloying elements such as nickel, molybdenum, and vanadium. These elements contribute to the steel's high-temperature oxidation resistance by further enhancing the formation and stability of the protective oxide layer. Overall, special steel performs exceptionally well under high-temperature oxidation conditions. Its unique composition and alloying elements allow it to form a protective oxide layer, resist scaling, and maintain its strength and integrity even at elevated temperatures. Thus, it is widely used in various industries where high-temperature applications are involved, such as power generation, aerospace, and petrochemical industries.

Q: How does bearing steel resist fatigue?: Bearing steel resists fatigue due to its high strength, durability, and resistance to deformation. It has a carefully controlled chemical composition and heat treatment process that enhances its mechanical properties, such as hardness and toughness. This allows bearing steel to withstand repeated cycles of stress and loading without experiencing significant fatigue or failure. Additionally, its microstructure, including fine grain size and uniform distribution of carbides, helps to distribute stress evenly and prevent the formation of cracks or weak points that could lead to fatigue failure.

Q: What are the non-destructive testing methods used for special steel?: There are several non-destructive testing (NDT) methods that are commonly used for special steel. These methods are designed to detect flaws or defects in the steel without causing any damage to the material. One of the most widely used NDT methods for special steel is ultrasonic testing. This technique involves sending high-frequency sound waves through the steel and analyzing the echoes that are reflected back. By measuring the time it takes for the sound waves to travel through the steel and return, technicians can determine the thickness, density, and internal structure of the material. Ultrasonic testing is particularly effective at detecting cracks, voids, or inclusions in the steel. Another commonly used NDT method for special steel is magnetic particle testing. This technique involves applying a magnetic field to the surface of the steel and then coating it with a magnetic powder. Any defects or irregularities in the steel will create magnetic flux leakage, causing the magnetic particles to cluster and form visible indications. This method is particularly effective at detecting surface cracks or discontinuities in the steel. Liquid penetrant testing is another NDT method that is often used for special steel. This technique involves applying a liquid dye or fluorescent material to the surface of the steel. The dye penetrates any surface cracks or defects, and after a specified dwell time, excess dye is removed. A developer is then applied, which draws out the dye from any flaws, making them visible under UV light. This method is effective at detecting surface discontinuities and is commonly used in the aerospace and automotive industries. Radiographic testing is another NDT method that can be used for special steel. This technique involves exposing the steel to X-rays or gamma rays and capturing the resulting image on a film or digital detector. By analyzing the radiographic image, technicians can detect internal flaws such as cracks, voids, or inclusions in the steel. This method is particularly useful for thicker sections of steel or when access to the material is limited. In conclusion, non-destructive testing methods such as ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing are commonly used for special steel. These methods allow for the detection of flaws or defects in the steel without causing any damage to the material, ensuring its integrity and reliability.

Q: What are the common challenges in machining special steel?: Machining special steel can present several common challenges that need to be effectively addressed in order to achieve desired results. One of the primary challenges in machining special steel is its high hardness and toughness. Special steels are often alloyed with various elements to enhance their properties, making them harder and more resistant to wear and corrosion. This hardness can cause increased tool wear and reduced tool life, requiring the use of specialized cutting tools and techniques. Another challenge in machining special steel is its low thermal conductivity. Special steels are known to have poor heat dissipation properties, leading to the accumulation of heat during the machining process. This heat buildup can cause thermal deformation, leading to dimensional inaccuracies and poor surface finish. Proper cooling and lubrication techniques, as well as appropriate cutting speeds and feeds, are crucial to overcome this challenge and prevent thermal damage. Additionally, special steels often have complex microstructures due to their alloying elements, which can result in uneven material removal and surface finish. These microstructural variations can make the machining process more unpredictable and challenging. Careful selection of cutting parameters, tooling, and machining strategies is necessary to ensure consistent and accurate results. Furthermore, some special steels may exhibit work hardening tendencies during machining. This means that as the material is being cut, it becomes harder and more resistant to further cutting. This work hardening can lead to increased cutting forces, tool wear, and poor surface finish. Utilizing appropriate cutting speeds, feeds, and tool geometries can help mitigate this challenge and prevent work hardening. Finally, special steels often come with higher manufacturing costs due to the complexity of their composition and the need for specialized tooling and equipment. The selection of suitable cutting tools, fixtures, and machining processes may require additional investment and expertise. Therefore, understanding the specific characteristics and challenges of machining special steel is crucial to ensure efficient and cost-effective production.

Q: How is special steel used in the construction supply chain?: Special steel is used in the construction supply chain for various purposes, such as reinforcing concrete structures, manufacturing high-strength bolts and fasteners, producing heavy machinery and equipment, and fabricating durable and corrosion-resistant components. Its unique properties, including high strength, toughness, and resistance to wear and tear, make it an essential material in the construction industry, ensuring the safety, reliability, and longevity of structures and infrastructure projects.

Q: What are the environmental impacts of producing special steel?: The production of special steel has several environmental impacts. Firstly, the extraction of raw materials such as iron ore and coal leads to habitat destruction and loss of biodiversity. Secondly, the manufacturing process involves high energy consumption, contributing to greenhouse gas emissions and climate change. Additionally, the use of various chemicals and additives in steel production can result in water and soil pollution. Lastly, the disposal of waste materials, including slag and dust, can have detrimental effects on local ecosystems if not properly managed.

Q: What is the impact strength of special steel?: The impact strength of special steel is typically higher than that of regular steel, which means it can withstand greater force or shock without breaking or deforming.

Q: How does quenching and tempering affect the hardness of special steel?: Special steel can have its hardness and mechanical properties improved through the use of heat treatment processes known as quenching and tempering. During quenching, the steel undergoes rapid cooling from a high temperature to either room temperature or below. This is typically achieved by immersing the steel in a quenching medium like oil or water. The quick cooling results in the formation of a martensitic structure, which is characterized by high hardness and brittleness. Quenching significantly enhances the hardness of the steel. However, the brittleness of the martensitic structure limits its usability in many applications. To address this issue, the steel then undergoes tempering. Tempering entails reheating the quenched steel to a temperature below the lower critical temperature, usually ranging from 200 to 600 degrees Celsius. The steel is held at this temperature for a specific period of time. This process facilitates the transformation of the brittle martensite into a more ductile structure known as tempered martensite. Tempering reduces the hardness of the steel but imparts improved toughness and ductility. The actual hardness achieved after tempering depends on the tempering temperature and time. Higher temperatures and longer times result in a greater reduction in hardness. By carefully adjusting the tempering parameters, a balance between hardness and toughness suitable for the intended application can be achieved. To summarize, quenching and tempering have a significant impact on the hardness of special steel. Quenching increases hardness by creating a martensitic structure, while tempering reduces hardness but enhances toughness and ductility. The specific hardness achieved through these processes can be controlled by adjusting the quenching and tempering parameters to meet the desired mechanical properties for the specific application.

Q: Can special steel be used in railway applications?: Yes, special steel can be used in railway applications. Special steel, also known as alloy steel or high-strength steel, possesses unique properties that make it suitable for various demanding applications, including railways. Special steel offers superior strength, durability, and resistance to wear, making it ideal for railway components that are subjected to high loads, vibrations, and extreme conditions. In railway applications, special steel is commonly used for manufacturing rails, wheels, axles, and other critical components. Rails made from special steel can handle heavy train traffic and provide a smooth and stable ride while resisting wear and deformation. Special steel wheels and axles offer high strength and toughness, ensuring safe and reliable operation even under heavy loads and high-speed conditions. Additionally, special steel is often used in the construction of railway bridges, tunnels, and other infrastructure projects. Its exceptional strength and resistance to corrosion and fatigue make it suitable for supporting heavy trains and withstanding the environmental challenges of railway construction. Moreover, the use of special steel in railway applications can contribute to cost savings and efficiency improvements. Its high durability and resistance to wear reduce the need for frequent maintenance and replacement, leading to lower maintenance costs and extended service life for railway components. Overall, special steel provides the necessary strength, durability, and performance required for railway applications. Its unique properties make it an ideal choice for ensuring the safety, reliability, and efficiency of rail transportation systems.

Q: How does the heat treatment process affect special steel?: The heat treatment process can significantly impact the properties of special steel. It involves heating the steel to a specific temperature and then cooling it in different ways to achieve desired hardness, strength, and other mechanical properties. By carefully controlling the heating and cooling rates, the heat treatment process can alter the microstructure of the steel, allowing for the formation of various phases and structures. This can result in improved hardness, toughness, and wear resistance, making the special steel more suitable for specific applications. Additionally, heat treatment can also relieve internal stresses and improve dimensional stability, enhancing the overall performance and durability of the special steel.

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