• Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard System 1
  • Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard System 2
  • Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard System 3
  • Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard System 4
  • Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard System 5
Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard

Prime Hot rolled Spring Steel Bar/billet/products JIS standard/Europe standard/ ASTM standard

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
1200 m.t./month

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Specifications

Spring steel flat bar 
Garde: 60Si2Mn, 60Si2MnA, 55CrMnA,50CrVA 
Standard GB,JIS,ASTM,DIN,AISI,BS 
LF & VD forge;ISO&TUV appr

 

Materials

 

 

Q195,Q215,Q235B,Q345B,

 

S235JR/S235/S355JR/S355

 

SS440/SM400A/SM400B  

Product Category 

Metallurgy,Mineral &Energy 

Technique 

 HOT ROLLED

 

Packing

 

1.Big OD:in bulk

2.Small OD:packed by steel strips

3.woven cloth with 7 slats

4.according to the requirements of customers

 Usage

Mechanical&manufacture,Steel strcuture,

  Shipbuilding,Bridging,Automobile chassis 

Main market

Middle East,Africa, Asia and some Uropean country and America ,

Australia 

 

Country of origin

 

 China 

Productivity

 15000 Metric Tons pet Month 

Remark

Payment terms :T/T ,L/C

Terms of trade :FOB ,CFR,CIF ,DDP,EXW

Minimum order : 10 tons

Lead time :on or before  3-15 working days . 


Q: What are the different forging techniques used for special steel?
Some of the different forging techniques used for special steel include open die forging, closed die forging, and ring rolling. Open die forging involves shaping the steel by hammering it between flat dies or anvils. Closed die forging, also known as impression die forging, utilizes dies that contain specific shapes to mold the steel into the desired form. Ring rolling is a technique used to produce seamless rings by shaping the steel through a combination of axial compression and radial expansion. These forging techniques allow for the production of high-quality and complex special steel components with desired properties and shapes.
Q: What is the difference between general steel and special steel?
Pu steel: full name ordinary steel, mostly with plates, profiles and wire form. Ordinary steel is the basic material of the earliest, the largest amount of use in industry, widely used in architectural structure, bridge components, hull structure, transportation, machinery manufacturing, agriculture, textile, defense industry, metal products, food industry, household appliances and other various departments of the national economy.
Q: What are the different cutting tools used for special steel?
For special steel applications, there exist various cutting tools commonly employed. These tools are specifically crafted to handle the distinct properties and characteristics of special steel, which often necessitate more precise and specialized cutting techniques. Some of the frequently used cutting tools for special steel include: 1. Saw blades with carbide tips: These blades possess carbide teeth, known for their exceptional hardness and durability. They effortlessly cut through special steel, providing clean and accurate cuts. 2. Cutting tools made of high-speed steel (HSS): HSS cutting tools are manufactured from a type of tool steel that can endure high temperatures while maintaining its hardness. These tools are commonly utilized for drilling, milling, and turning operations on special steel. 3. Cutting tools with diamonds: Diamonds are recognized as one of the hardest materials, making them ideal for cutting through tough materials like special steel. Diamond cutting tools, such as saw blades or grinding wheels coated with diamond, are commonly employed in special steel applications. 4. Machines utilizing waterjet cutting: Waterjet cutting machines utilize a high-pressure stream of water mixed with abrasive particles to cut through special steel. This method is particularly suitable for intricate designs and complex shapes. 5. Machines employing plasma cutting: Plasma cutting machines employ a high-velocity jet of ionized gas to cut through special steel. This method is frequently used for rapidly and efficiently cutting thick sections of special steel. 6. Machines utilizing laser cutting: Laser cutting machines employ a highly focused laser beam to cut through special steel. This method offers high precision and can be utilized for cutting complex shapes and patterns. To ensure the best cutting tool is selected for the job, it is crucial to choose the appropriate cutting tool based on the specific requirements of the special steel in question, as well as the desired cutting method and application. Seeking advice from a specialist or referring to the manufacturer's recommendations can help guarantee the optimal cutting tool is chosen.
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: What are the different types of special steel coatings?
There are several different types of special steel coatings that are used to enhance the properties and performance of steel. Some of the most common types include: 1. Galvanized Coatings: This type of coating involves the application of a layer of zinc to the steel surface. Galvanized coatings provide excellent corrosion resistance, making them suitable for outdoor applications and structures exposed to harsh environments. 2. Epoxy Coatings: Epoxy coatings are known for their exceptional durability and chemical resistance. They are often used to protect steel from corrosion, abrasion, and chemical exposure. Epoxy coatings can be applied as single or multi-layer systems, enhancing the steel's lifespan and performance. 3. Powder Coatings: Powder coatings are a type of dry coating that is applied electrostatically and then cured under heat. They offer excellent protection against corrosion, impact, and UV damage. Powder coatings are available in a wide range of colors and finishes, making them a popular choice for aesthetic purposes as well. 4. Thermal Spray Coatings: These coatings involve the application of molten particles onto the steel surface using a thermal spray gun. The most common types of thermal spray coatings for steel are ceramic coatings, which provide enhanced wear resistance, thermal insulation, and corrosion protection. 5. PVD Coatings: Physical Vapor Deposition (PVD) coatings involve the deposition of thin layers of metallic or ceramic materials onto the steel surface through a vaporization process. PVD coatings provide improved hardness, wear resistance, and low friction properties to the steel. 6. Organic Coatings: Organic coatings, such as polyurethane or acrylic coatings, offer protection against corrosion, UV damage, and chemical exposure. These coatings are commonly used in architectural applications, automotive parts, and industrial equipment. 7. Chrome Plating: Chrome plating involves the deposition of a layer of chromium onto the steel surface. This coating provides excellent corrosion resistance, hardness, and a decorative finish. Chrome plating is often used in automotive applications and for decorative purposes. It is essential to select the appropriate type of special steel coating based on the specific requirements of the steel component or structure, including the level of corrosion resistance, durability, aesthetics, and environmental factors.
Q: How is special steel classified based on its mechanical properties?
Special steel is classified based on its mechanical properties by considering factors such as its strength, hardness, toughness, and ductility. These properties play a crucial role in determining the steel's ability to withstand specific applications and environments.
Q: What are the main factors affecting the creep rupture strength of special steel?
The main factors affecting the creep rupture strength of special steel are the material composition, grain size, temperature, applied stress, and time.
Q: What are the advantages of using special steel in specific applications?
There are several advantages of using special steel in specific applications. Firstly, special steel offers enhanced strength and durability compared to regular steel. It has higher tensile strength and better resistance to wear and tear, making it ideal for applications where high strength is required, such as in construction, automotive, and aerospace industries. This ensures that the components made from special steel can withstand heavy loads, extreme temperatures, and harsh operating conditions without deformation or failure. Secondly, special steel has excellent corrosion resistance properties. It can resist the effects of moisture, chemicals, and other corrosive elements, making it suitable for applications in marine environments, chemical processing plants, and offshore structures. Special steel can maintain its integrity and structural stability even when exposed to aggressive substances, thereby extending the lifespan of the equipment and reducing maintenance costs. Another advantage of using special steel is its versatility. It can be easily customized and tailored to meet specific requirements of different applications. Special steel can be engineered to have specific mechanical properties, such as hardness, toughness, or flexibility, depending on the desired application. This allows for greater adaptability and enables designers and engineers to create components that are optimized for their intended use. Furthermore, special steel often exhibits excellent heat resistance capabilities. It can withstand high temperatures without losing its mechanical properties, making it suitable for applications involving extreme heat, such as in the manufacturing of industrial furnaces, turbines, and engines. This heat resistance also allows the steel to retain its strength and shape, minimizing the risk of deformation or failure under elevated temperatures. Lastly, special steel offers superior machinability and weldability. It can be easily formed, cut, and welded into complex shapes and structures, allowing for efficient manufacturing processes and reducing production costs. Special steel's machinability also ensures accurate and precise fabrication, resulting in high-quality components that meet strict industry standards. In conclusion, the advantages of using special steel in specific applications include enhanced strength, durability, corrosion resistance, versatility, heat resistance, and excellent machinability. These properties make special steel a preferred choice for various industries, where reliability, performance, and longevity are paramount.
Q: Can special steel be used in the musical instrument manufacturing industry?
Yes, special steel can be used in the musical instrument manufacturing industry. It can be utilized for various components of musical instruments, such as strings, keys, and structural parts, to enhance durability, tone quality, and overall performance.
Q: How does special steel perform in high-stress applications?
Special steel performs exceptionally well in high-stress applications due to its unique properties and composition. It offers superior strength, toughness, and durability, allowing it to withstand extreme conditions without deformation or failure. Additionally, special steel exhibits excellent resistance to corrosion, heat, and wear, making it an ideal choice for challenging environments. Its high performance and reliability make it a preferred material for critical components in industries such as aerospace, automotive, and oil and gas.

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