Grade Q345 HR Steel Coil with High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Grade Q345 HR Steel Coil with High Quality and Low Price
Quick Details
Name | Hot Rolled Steel Coil |
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 / |
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 |
Specification
Commodity | Hot rolled steel plate/Mild steel plate/black steel plate/Carbon steel plate/sheet |
STEEL GRADE | A36, AH36,A283 Gr.C, SS400, S235J1/S235J2/S235JR, S275J1/S275J2/S275JR, A516 Gr.60/A516 Gr.70, ST37-2 |
Standard | GB,JIS,DIN,AISI,ASTM |
Thickness | 1.5mm ~ 200mm |
Width | 1000mm 1220mm 1250mm 1500mm 2000mm 2500mm 3000mm |
length | below 12000mm & coil |
Surface | Clean, blasting and painting according to customer requirement |
Delivery time | standard size 15days goods can load into container, if produce goods need 35days |
Application | Widely used in petrochemistry,chemistry,electricity,boiler and vessel manufacture,and could |
be made into reactor,heat exchange facility,segregator,sphere vessel,oil tank,liquid gas storage | |
tank,nuclear reactor press shell,turbine and other machines | |
Shipping | length below 5.8m with 20' container, length below 11.8m with 40' container. or Bulk shipping. |
Company Information
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.
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 | 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. |
Product Show
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 different surface treatment techniques for special steel?
- There are several surface treatment techniques available for special steel, including electroplating, hot-dip galvanizing, powder coating, and passivation. Electroplating involves depositing a layer of metal onto the steel surface through an electrochemical process, providing enhanced corrosion resistance and aesthetic appeal. Hot-dip galvanizing immerses the steel in molten zinc, forming a protective zinc coating that prevents rusting. Powder coating involves applying a dry powder onto the steel surface, which is then heated and fused to create a durable and decorative finish. Passivation is a chemical process that removes surface contaminants and forms a protective oxide layer on the steel, improving its corrosion resistance.
- Q: Can special steel be used in the telecommunications industry?
- Yes, special steel can be used in the telecommunications industry. Special steel, such as stainless steel or high-strength steel, is often used for the construction of telecommunication towers, antennas, and other infrastructure due to its strength, durability, and corrosion resistance. It helps ensure the stability and reliability of telecommunications equipment, particularly in harsh weather conditions or areas prone to corrosion.
- Q: How is high-temperature steel used in the production of furnace components?
- High-temperature steel is used in the production of furnace components due to its exceptional heat resistance and strength. It can withstand the extreme temperatures inside the furnace without losing its structural integrity, making it ideal for constructing furnace walls, tubes, and other critical components. Additionally, high-temperature steel helps maintain a stable and efficient heating environment, ensuring optimal performance and longevity of the furnace.
- Q: How does special steel contribute to the automotive aftermarket industry?
- The automotive aftermarket industry greatly benefits from the use of special steel, as it offers various advantages that enhance the performance, durability, and safety of vehicles. To begin with, special steel is renowned for its exceptional strength and durability. This characteristic allows manufacturers and suppliers to create high-performance components and parts that can withstand extreme conditions and heavy usage. Engine parts, suspension systems, and chassis components all benefit from the superior strength of special steel, ensuring their longevity and reliability. Furthermore, special steel provides excellent corrosion resistance, which is crucial for automotive components exposed to different weather conditions and road environments. By utilizing corrosion-resistant steel, suppliers can produce parts that are less susceptible to rust and degradation, ultimately prolonging the lifespan of vehicles and reducing the need for frequent replacements. Additionally, special steel enables the production of lightweight components without compromising on strength. As the demand for fuel efficiency and reduced emissions continues to grow, lightweight materials are highly sought after in the automotive industry. By utilizing special steel, suppliers can create lightweight parts that contribute to improved fuel economy and overall vehicle performance. Moreover, the versatility of special steel allows for the development of complex and intricate components, which supports advancements in vehicle technology. From precision-engineered gears and shafts to specialized parts for electric vehicles, special steel can be tailored to meet specific automotive requirements, driving continuous innovation within the industry. Finally, special steel offers cost-effectiveness in the automotive aftermarket industry. While the initial cost of special steel may be higher than conventional steel, its durability and longevity result in reduced maintenance and replacement costs over time. This benefit is particularly significant for suppliers and vehicle owners, as it helps minimize expenses and ensures a higher return on investment. In conclusion, special steel plays a crucial role in the automotive aftermarket industry by providing strength, durability, corrosion resistance, lightweight properties, versatility, and cost-effectiveness. These qualities contribute to the overall performance, safety, and longevity of vehicles, making special steel an essential material in the development of high-quality aftermarket components and parts.
- Q: What are the main factors affecting the impact toughness of special steel?
- The impact toughness of special steel, or any material for that matter, is influenced by various factors. Some of the main factors affecting the impact toughness of special steel are: 1. Composition: The chemical composition of the steel plays a significant role in determining its impact toughness. Elements such as carbon, manganese, silicon, nickel, and molybdenum can be added to enhance the toughness of the steel. Higher carbon content generally improves hardness but reduces toughness, while alloying elements like nickel and molybdenum can enhance toughness. 2. Heat treatment: The heat treatment process, including processes like quenching and tempering, can significantly affect the impact toughness of special steel. Proper heat treatment can refine the microstructure of the steel, making it more resistant to fractures and increasing its toughness. 3. Microstructure: The microstructure of the steel, including the size, shape, and distribution of its grains, greatly impacts its toughness. Fine-grained steels generally exhibit better toughness compared to coarse-grained ones. The presence of certain phases, such as martensite or bainite, can also affect the impact toughness. 4. Inclusions: The presence of non-metallic inclusions, such as sulfides, oxides, or carbides, in the steel can act as stress concentration points and reduce its impact toughness. High-quality special steels often undergo processes like vacuum degassing or electroslag remelting to minimize the presence of these inclusions. 5. Processing conditions: The manufacturing processes used to produce special steel can influence its impact toughness. Factors such as forging, rolling, or extrusion conditions, as well as the cooling rate during solidification, can affect the microstructure and, consequently, the toughness of the steel. 6. Temperature: The impact toughness of special steel also varies with temperature. Some steels exhibit good toughness at low temperatures, while others may have better performance at higher temperatures. The temperature at which the steel is used or tested is an important factor to consider when evaluating its impact toughness. It is worth noting that the impact toughness of special steel is often determined using standardized tests, such as the Charpy or Izod test, which involve subjecting a notched specimen to impact loading. These tests provide valuable information on the material's ability to absorb energy and resist fracture under impact conditions.
- Q: What are the main applications of special steel in the packaging industry?
- Special steel has a wide range of applications in the packaging industry, primarily due to its exceptional strength, durability, and corrosion resistance. It is commonly used in the manufacturing of packaging machinery, such as conveyor systems, filling machines, and cutting tools, ensuring efficient and precise operations. Additionally, special steel is often employed in the production of packaging materials, including cans, containers, and closures, providing enhanced protection and preservation of goods.
- Q: Can special steel be used in the manufacturing industry?
- Yes, special steel can be used in the manufacturing industry. Special steel refers to specific types of steel that have been tailored to possess certain properties, such as increased strength, improved corrosion resistance, or superior heat resistance. These specialized properties make special steel ideal for various applications in the manufacturing industry, including the production of heavy machinery, automotive parts, tools, and construction materials.
- Q: What are the main characteristics of high-speed steel forgings?
- Highly desirable in various industries are high-speed steel forgings, which possess several key characteristics. To begin, the exceptional hardness and wear resistance of high-speed steel forgings are noteworthy. This is a result of their composition, which typically includes elements like tungsten, molybdenum, chromium, and vanadium. These elements create hard carbides within the steel matrix, leading to a material capable of enduring high temperatures and resisting abrasion and deformation. Additionally, high-speed steel forgings exhibit excellent heat resistance, enabling them to maintain their hardness and strength even at elevated temperatures. This is particularly significant in applications where tools or components undergo intense heat during operation. Another important trait of high-speed steel forgings is their ability to retain a sharp cutting edge for extended periods. This proves advantageous in cutting tools, where an efficient and precise machining process relies on a sharp edge. The steel's high hardness ensures the cutting edge remains sharp, resulting in enhanced tool life and performance. Moreover, high-speed steel forgings demonstrate good toughness and impact resistance, making them less vulnerable to cracking or chipping under heavy loads or sudden impacts. This ensures their durability and reliability in demanding applications. In addition to these mechanical properties, high-speed steel forgings possess excellent machinability. They can be easily shaped, formed, and machined into intricate geometries, making them ideal for producing complex components or tools. Overall, the main characteristics of high-speed steel forgings encompass exceptional hardness, wear resistance, heat resistance, cutting edge retention, toughness, impact resistance, and machinability. These qualities render them highly sought-after in industries such as aerospace, automotive, tooling, and machining, where performance, reliability, and longevity are of utmost importance.
- Q: What are the different methods for joining special steel?
- Special steel, commonly used in applications requiring high strength, corrosion resistance, or specific mechanical properties, can be joined using various methods. Some of the most frequently employed methods include: 1. Welding: The most commonly used technique for joining special steel is welding. Different welding methods can be utilized, such as arc welding (including shielded metal arc welding, gas metal arc welding, and flux-cored arc welding), resistance welding (spot welding, seam welding), and laser welding. Welding necessitates the use of filler material to bond the steel components together, resulting in strong and durable joints. 2. Brazing: The process of joining special steel through brazing involves the use of a filler material (typically a brass or bronze alloy) with a lower melting point than the base steel. The filler material is heated until it melts and flows into the joint, creating a robust bond. Brazing is commonly employed for joining dissimilar metals or when the base steel possesses a high melting point. 3. Soldering: Similar to brazing, soldering involves the use of a filler material with a lower melting point to join special steel. However, soldering usually employs a non-ferrous filler material, such as tin-lead or tin-silver alloys. Soldering is frequently utilized for joining electronic components or fragile parts that cannot endure high temperatures. 4. Mechanical Fastening: Special steel can also be joined using mechanical fasteners, including bolts, screws, rivets, or clips. This method is often chosen when the joint needs to be easily disassembled or when welding or brazing is impractical or undesirable. 5. Adhesive Bonding: Adhesive bonding involves the use of specialized adhesive or glue to join special steel. This method is suitable when joining thin or delicate steel components or when the joint requires high resistance to vibration or shock. Adhesive bonding can create a strong and durable bond, although it may not be suitable for high-temperature or high-stress applications. When selecting the appropriate method for joining special steel, it is crucial to consider the specific requirements of the application, such as strength, corrosion resistance, temperature resistance, and desired permanence of the joint. Each method possesses its own advantages and limitations, and choosing the right approach ensures a robust and dependable joint.
- Q: What are the main advantages of using special steel in the construction of bridges?
- The main advantages of using special steel in the construction of bridges are its exceptional strength and durability. Special steel alloys offer high tensile strength, allowing for lighter bridge designs and reducing the overall weight of the structure. This not only makes construction and transportation easier but also minimizes the environmental impact. Additionally, special steel exhibits excellent corrosion resistance, ensuring the longevity of the bridge even in harsh weather conditions. Its superior toughness and resistance to fatigue make it ideal for withstanding heavy loads and frequent use, ensuring the safety and reliability of the bridge for many years.
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Grade Q345 HR Steel Coil with High Quality and Low Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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