3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet
- 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
3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet
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
Standard | Grade | General Size | Delivery Condition |
ASTM A36 | A36/A36-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
ASTM A283 | A283-B/A283C | 5-20 * 2300-2500 * C | Boron added or Black Condition |
ASTM A572 | A572Gr50-B/A572Gr42-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
ASTM A515 | A515Gr70 | 5-20 * 2300-2500 * C | Black Condition |
ASTM A516 | A516Gr70 | 5-20 * 2300-2500 * C | Black Condition |
JIS G 3101 | SS400-B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
JIS G3136 | SN400B | 5-20 * 2300-2500 * C | Boron added or Black Condition |
EN10025-2:2004 | S235JR-S355K2+N | 5-20 * 2300-2500 * C | Boron added or Black Condition |
EN10025-5:2004 | S355J2W/S355K2W | 5-20 * 2300-2500 * C | Black Condition |
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 | |||
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: Can special steel be used for making automotive engine components?
- Automotive engine components can indeed be crafted using special steel. Due to its remarkable strength, durability, and resistance to wear and corrosion, special steel is frequently employed in the manufacturing process. Engine components like crankshafts, connecting rods, camshafts, and valves necessitate materials capable of enduring high temperatures, pressures, and mechanical stresses. Special steel, encompassing high-strength alloy steel or stainless steel, fulfills these requirements and grants the essential performance characteristics for automotive engines. Furthermore, special steel presents the added advantage of reducing weight, thus contributing to improved fuel efficiency and engine performance. All in all, special steel emerges as a fitting material choice for automotive engine components, thanks to its exceptional mechanical properties and capacity to withstand the demanding conditions under which engines operate.
- Q: How is heat-resistant steel used in high-temperature applications?
- Heat-resistant steel is specifically designed to withstand high temperatures without losing its strength or undergoing structural changes. It is commonly used in high-temperature applications such as power plants, furnaces, and aerospace industry. Due to its ability to maintain its mechanical properties at elevated temperatures, heat-resistant steel is used to fabricate critical components like turbine blades, exhaust systems, and heat exchangers, ensuring reliable and efficient operations even in extreme heat conditions.
- Q: Can special steel be used in the construction industry?
- Yes, special steel can be used in the construction industry. It offers several advantages such as high strength, durability, and resistance to corrosion, making it suitable for various applications in construction, including beams, columns, and reinforced concrete structures. Special steel can also provide cost-effective solutions by reducing the need for additional materials and maintenance.
- Q: What are the different types of alloy steel?
- There are several different types of alloy steel, including stainless steel, tool steel, high-strength low-alloy steel, and maraging steel. Each type has its own unique composition and properties, making them suitable for various applications in industries such as construction, automotive, and aerospace.
- Q: What are the environmental impacts of manufacturing special steel?
- Manufacturing special steel has significant environmental impacts due to its energy-intensive production process and the extraction of raw materials. The production of special steel requires high temperatures and uses large amounts of fossil fuel-based energy, resulting in substantial greenhouse gas emissions contributing to climate change. Additionally, the extraction of iron ore and other raw materials for steel production can lead to deforestation, habitat destruction, and water pollution. The disposal of steel waste and byproducts also poses challenges, as it can contaminate soil and water sources. Therefore, the environmental impacts of manufacturing special steel must be carefully managed and mitigated through sustainable practices and technologies.
- Q: How does maraging steel achieve high strength through aging?
- Maraging steel achieves high strength through aging by a process called precipitation hardening. After the steel is initially heat-treated to reach a soft and ductile state, it is rapidly cooled to room temperature. During aging, the steel is then heated at a lower temperature to allow for the precipitation of intermetallic compounds. These compounds form within the steel's microstructure, creating a dense network of fine particles that impede dislocation movement, resulting in increased strength and hardness.
- Q: What are the different methods of testing the mechanical properties of special steel?
- There are several methods used to test the mechanical properties of special steel. These methods aim to determine the strength, hardness, ductility, and other characteristics of the steel. Some common methods include: 1. Tensile Testing: This is the most common method used to determine the tensile strength of steel. A sample is subjected to a gradually increasing tensile force until it breaks. The force and elongation measurements are used to calculate properties such as ultimate tensile strength, yield strength, and elongation. 2. Hardness Testing: This method measures the resistance of steel to indentation or scratching. Common hardness tests include Rockwell, Brinell, and Vickers hardness tests. These tests provide information about the steel's ability to withstand deformation, wear, or penetration. 3. Impact Testing: This method evaluates the steel's ability to absorb energy during sudden impact or shock loading. The Charpy and Izod tests are commonly used to measure the impact toughness of steel. These tests involve striking a notched sample with a pendulum and measuring the energy absorbed during fracture. 4. Bend Testing: This method is used to assess the ductility and flexibility of steel. A sample is bent to a specific angle or radius until it fractures. The bend test helps determine the steel's ability to endure bending or forming processes without failure. 5. Fatigue Testing: This method evaluates the steel's resistance to repeated cyclic loading. Fatigue tests involve subjecting a sample to varying levels of stress for a specified number of cycles until failure. This helps determine the steel's endurance limit and fatigue strength. 6. Microhardness Testing: This technique measures the hardness of small localized areas on the steel's surface. It is useful for evaluating surface treatments, case hardening, and assessing the effects of heat treatment. 7. Non-Destructive Testing (NDT): These methods allow testing without damaging the steel. Common NDT techniques include ultrasonic testing, magnetic particle testing, eddy current testing, and radiographic testing. NDT methods are used to detect internal defects, cracks, or discontinuities that may affect the steel's mechanical properties. These various testing methods provide valuable information about the mechanical properties of special steel, assisting in quality control, material selection, and ensuring the steel meets the required standards and specifications.
- Q: How is free-cutting steel used in the manufacturing of screws and bolts?
- Free-cutting steel is used in the manufacturing of screws and bolts due to its exceptional machinability. It contains elements such as sulfur, phosphorus, lead, or selenium that act as lubricants during the cutting and machining process. These elements help to break the chips and reduce the friction between the metal and the cutting tool, resulting in improved efficiency and reduced tool wear. This type of steel enables faster production rates and higher precision in screw and bolt manufacturing.
- Q: Can special steel be used in high-pressure applications?
- Yes, special steel can be used in high-pressure applications. Special steel alloys, such as stainless steel or high-strength low-alloy steel, possess excellent mechanical properties and resistance to corrosion, making them suitable for withstanding high-pressure environments. These steels can maintain their structural integrity and perform reliably under extreme pressure conditions, making them a preferred choice in various industries, including oil and gas, aerospace, and chemical processing.
- Q: What are the different renewable energy grades of special steel?
- There are several grades of special steel that are commonly used in the renewable energy industry. These grades are specifically designed to withstand the harsh conditions and requirements of renewable energy applications. One of the most common grades of special steel used in renewable energy is stainless steel. Stainless steel is known for its corrosion resistance properties, which make it ideal for offshore wind turbines or solar panel frames that are exposed to moisture and saltwater. It is also used in geothermal power plants, where high temperatures and corrosive environments are present. Another grade of special steel used in renewable energy is high-strength low-alloy (HSLA) steel. HSLA steel has a higher strength-to-weight ratio, making it suitable for applications that require lightweight structures with high strength, such as wind turbine towers or support structures for solar panels. Furthermore, there is advanced high-strength steel (AHSS) that is commonly used in the automotive industry but can also be utilized in renewable energy applications. AHSS offers excellent strength, durability, and impact resistance, making it suitable for components like blades or gears in wind turbines. Additionally, there is a grade of steel called weathering steel, which is often used in renewable energy applications that are exposed to outdoor elements. Weathering steel forms a protective layer of rust, which prevents further corrosion and eliminates the need for additional coatings. It is commonly used in solar panel support structures, transmission towers, or other outdoor equipment. Overall, the selection of the appropriate grade of special steel for a specific renewable energy application depends on factors such as the type of renewable energy source, the environment in which it will be installed, and the specific requirements of the project.
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3mm_4mm Hot Rolled Steel Coil HR Coil/Sheet
- 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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