Special Steel Forged Carbon Steel SS400 Q235

Special Steel Forged Carbon Steel SS400 Q235 System 1

Special Steel Forged Carbon Steel SS400 Q235

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Product Information

1 Grade Comparison:

GB	ASTM	JIS	EN
Q235	Grade D	SS400	S235JR(1.0038) /S235JO(1.0114) /S235J2(1.0117)

2 Chemical Composition:

Q235A

C	Mn	Si	S	P
0.14-0.22	0.30-0.65	≤0.30	≤0.050	≤0.045

Q235B

C	Mn	Si	S	P
0.12-0.20	0.30-0.70	≤0.30	≤0.045	≤0.045

Q235C

C	Mn	Si	S	P
≤0.18	0.35-0.80	≤0.30	≤0.035	≤0.035

Q235D

C	Mn	Si	S	P
≤0.17	0.35-0.80	≤0.30	≤0.035	≤0.035

3 Brief Introduction:

Dimension	13-350mm
Length	2-13m or as per your request
Delivery condition	Hot rolled
Heat Treatment	Normalizing, Annealing, Quenching
Packing	Standard seaworthy packing or according to your requirements

4 Mechanical Property:

Thickness/diameter(mm)	Tensile strength	Yield strength	Elongation rate
≤16	375MPa-500MPa	≥235MPa	≥26%
16-40		≥225MPa	≥25%
40-60		≥215MPa	≥24%
60-100		≥205MPa	≥23%
100-150		≥195MPa	≥22%
>150		≥185MPa	≥21%

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Special Steel Forged Carbon Steel SS400 Q235

Workshop Show

Special Steel Forged Carbon Steel SS400 Q235

Shipping

1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;

2. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;

3. Customers specifying freight forwarders or negotiable shipping methods!

Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

1.Payment: T/T, L/C, Western Union, MoneyGram,PayPal; 30% deposits; 70% balance before delivery.

2.MOQ: 1pcs

3.Warranty : 3 years

4.Package Informations: 1) EXPORT, In 20 feet (GW 25 ton) or 40 feet Container (GW 25 ton)

2)as customer's requirement

Why choose us?

(1) The leading exporter in China special steel industry.

(2) Large stocks for various sizes, fast delivery date.

(3) Good business relationship with China famous factories.

(4) More than 7 years steel exporting experience.

(5) Good after-sales service guarantee.

Q: How does special steel perform in terms of creep resistance?: Special steel performs exceptionally well in terms of creep resistance. It has been specifically engineered to withstand high temperatures and prolonged stress, making it highly resistant to deformation over time. This allows special steel to maintain its structural integrity and dimensional stability, making it an ideal choice for applications that require long-term durability under extreme conditions.

Q: What are the different classifications of special steel?: Special steel is a broad term that encompasses various types of steel alloys that possess unique properties and characteristics, making them suitable for specific applications. There are several classifications of special steel, including: 1. Stainless Steel: This type of special steel contains a high percentage of chromium, which provides excellent corrosion resistance. It also typically contains other elements like nickel and molybdenum, enhancing its strength and durability. Stainless steel is commonly used in applications that require resistance to oxidation, heat, chemicals, and wear, such as in food processing, medical devices, and construction. 2. Tool Steel: Tool steel is specifically designed for manufacturing tools, dies, and molds. It is known for its exceptional hardness, wear resistance, and toughness. Tool steel is further classified into several subcategories, including high-speed steel (HSS), cold work steel, hot work steel, and plastic mold steel, each tailored for specific tooling applications. 3. Alloy Steel: Alloy steel is a type of special steel that contains additional alloying elements apart from carbon. These elements, such as manganese, silicon, nickel, chromium, and molybdenum, are added to enhance specific properties like strength, toughness, hardenability, and corrosion resistance. Alloy steels are used in various applications, such as automotive components, machinery, construction, and aerospace. 4. Spring Steel: This type of special steel is specifically designed to withstand repeated bending or twisting without permanently deforming. Spring steel has excellent elasticity and fatigue resistance, making it suitable for applications such as springs, suspension systems, and high-performance automotive parts. 5. Bearing Steel: Bearing steel is engineered to provide high hardness, wear resistance, and dimensional stability necessary for manufacturing bearings. It typically contains high levels of carbon, chromium, and other alloying elements, ensuring the required mechanical properties for reliable and long-lasting bearings. 6. Electrical Steel: Electrical steel, also known as silicon steel, is specifically designed for electrical applications. It possesses low electrical resistivity and high magnetic permeability, allowing it to efficiently conduct and transform electrical energy. Electrical steel is commonly used in transformers, electric motors, and generators. These classifications of special steel highlight the versatility and tailored properties of different steel alloys, enabling their application in a wide range of industries and specialized uses.

Q: What are the different techniques used for joining special steel?: Some of the different techniques used for joining special steel include welding, brazing, soldering, and adhesive bonding. Each technique has its own advantages and considerations depending on the specific application and properties of the steel being joined. Welding involves melting and fusing the steel together, while brazing and soldering use a lower temperature to join the steel with a filler material. Adhesive bonding uses a strong adhesive to bond the steel surfaces together. The choice of technique depends on factors such as the strength required, the materials being joined, and the desired properties of the final joint.

Q: What are the different forging grades of special steel?: There are several different forging grades of special steel, including but not limited to stainless steel, alloy steel, carbon steel, tool steel, and high-speed steel.

Q: What are the different nuclear grades of special steel?: The different nuclear grades of special steel refer to specific types of steel that are used in the nuclear industry to meet stringent requirements for safety, reliability, and performance. These grades are designed to withstand the harsh conditions of nuclear power plants and other nuclear facilities. There are several nuclear grades of special steel, each with its own unique characteristics and applications. Some of the commonly used grades include: 1. 304/304L stainless steel: This grade is widely used in nuclear applications due to its excellent corrosion resistance and high strength at elevated temperatures. It is often used in the construction of reactor vessels, heat exchangers, and piping systems. 2. 316/316L stainless steel: Similar to 304/304L, this grade offers superior corrosion resistance and high creep strength. It is commonly used in the construction of components exposed to corrosive environments, such as coolant systems, steam generators, and fuel handling equipment. 3. 321 stainless steel: This grade contains titanium, which stabilizes the steel against sensitization during welding. It is often used in nuclear applications where welding is required, such as piping systems and pressure vessels. 4. Duplex stainless steels: These grades, such as 2205 and 2507, offer a combination of high strength and excellent corrosion resistance. They are commonly used in nuclear applications involving highly corrosive environments, such as seawater-cooled systems and containment structures. 5. Low alloy steels: These steels, such as A533B and A508, are used in the construction of reactor pressure vessels due to their high strength and toughness. These grades are specifically designed to withstand the extreme conditions within a nuclear reactor. It is important to note that the selection of the appropriate nuclear grade of special steel depends on the specific application, considering factors such as temperature, pressure, corrosion resistance, and mechanical properties. These grades undergo rigorous testing and quality control measures to ensure their suitability for use in the nuclear industry.

Q: What are the different methods for controlling the grain size in special steel?: There are several methods for controlling the grain size in special steel. 1. Heat treatment: One common method is heat treatment, which involves subjecting the steel to specific temperatures and cooling rates. This process can be used to refine the grain size by controlling the rate of nucleation and growth of new grains. For example, slow cooling can promote the formation of larger grains, while rapid cooling can result in smaller grain sizes. 2. Alloying elements: Adding certain alloying elements to the steel can also influence the grain size. For instance, elements like vanadium, niobium, and titanium can form carbides, which act as nucleation sites, leading to finer grain sizes. On the other hand, elements like aluminum and silicon can promote the formation of larger grains. 3. Mechanical deformation: Applying mechanical deformation to the steel, such as through rolling or forging, can also affect the grain size. These processes cause grain refinement by breaking up larger grains into smaller ones. Additionally, severe plastic deformation techniques like equal-channel angular pressing can produce ultrafine grains in special steel. 4. Grain growth inhibitors: Certain elements can act as grain growth inhibitors, preventing the coarsening of grain size during heat treatment. Examples of such elements include boron and zirconium. By controlling the concentration of these inhibitors, it is possible to inhibit grain growth and maintain a desired grain size. 5. Controlled cooling: Controlling the cooling rate during solidification and heat treatment is another method for controlling grain size. By carefully controlling the cooling rate, it is possible to achieve a specific grain size or a desired distribution of grain sizes. It is important to note that the choice of method for controlling grain size in special steel depends on the specific application and desired properties of the steel. Different methods may be employed in combination to achieve the desired grain size and optimize the performance of the steel for its intended use.

Q: How does special steel contribute to the automotive sector?: Special steel contributes to the automotive sector by offering enhanced strength, durability, and resistance to wear and tear. It is used in various critical components such as engine parts, suspension systems, and safety features, improving performance, safety, and overall reliability of vehicles. Additionally, special steel enables the development of lightweight designs, aiding in fuel efficiency and reducing emissions.

Q: What are the different methods of surface powder coating for special steel?: Some different methods of surface powder coating for special steel include electrostatic spraying, fluidized bed coating, and flame spraying. Electrostatic spraying involves applying a charged powder to the steel surface, which is then cured in an oven. Fluidized bed coating involves dipping the steel into a bed of powder that is heated to a fluidized state, allowing the powder to adhere to the surface. Flame spraying uses a flame to melt and propel the powder onto the steel surface, creating a durable coating.

Q: What are the recycling options for special steel?: Special steel can be recycled in various ways. One possibility is to bring it to a local scrap yard or metal recycling facility, where they have the necessary equipment to process and recycle it. Typically, they will pay you for the steel based on its weight and current market value. Another option is to get in touch with a specialized recycling company that specifically deals with special steel. These companies possess the expertise to handle and recycle this type of steel, ensuring proper processing and reuse. Furthermore, certain steel manufacturers and distributors have their own recycling programs in place. They may offer take-back programs, collecting and recycling special steel from their customers. This option can be convenient since it eliminates the need to search for a separate recycling facility. It's important to keep in mind that special steel may require special handling and processing due to its unique properties. Therefore, it is advisable to consult with a professional or contact the recycling facility or company in advance, ensuring they can properly handle and recycle the specific type of special steel you possess.

Q: What are the different applications of stainless special steel?: Stainless special steel, which is also known as stainless steel, is a highly versatile material that is used in various industries because of its unique properties. Some examples of the different ways in which stainless special steel is utilized include: 1. Construction: Stainless steel is widely employed in the construction industry due to its exceptional durability and resistance to corrosion. It is used in structural components, bridges, building facades, and roofing materials. 2. Automotive industry: The automotive sector extensively utilizes stainless steel because of its strength, ability to withstand high temperatures, and durability. It can be found in exhaust systems, mufflers, catalytic converters, fuel tanks, and various other components. 3. Medical equipment: Stainless steel is the preferred material in the medical field because of its high resistance to corrosion and biocompatibility. It is used in the production of surgical instruments, implants, orthopedic devices, and medical equipment. 4. Food processing industry: Stainless steel is widely employed in the food industry because of its hygienic properties. It is used in the manufacturing of food processing equipment, storage tanks, food preparation surfaces, and utensils. 5. Aerospace industry: Stainless steel is utilized in the aerospace industry for its strength, ability to withstand high temperatures, and resistance to corrosion. It is used in the production of aircraft parts, engine components, and structural elements. 6. Chemical industry: Stainless steel is highly resistant to corrosion from various chemicals, making it suitable for applications in the chemical industry. It is used in the manufacturing of tanks, pipes, valves, and other equipment that come into contact with corrosive substances. 7. Energy sector: Stainless steel is used in the energy industry for various purposes. It is employed in the construction of power plants, oil and gas refineries, pipelines, and renewable energy systems such as wind turbines and solar panels. 8. Marine industry: Stainless steel is extensively used in marine environments because of its excellent resistance to corrosion. It is used in the production of boat fittings, propellers, underwater structures, and offshore platforms. 9. Household appliances: Stainless steel is commonly used in household appliances because of its attractive appearance, durability, and resistance to stains and scratches. It can be found in kitchen appliances such as refrigerators, ovens, dishwashers, and washing machines. 10. Art and design: Stainless steel is increasingly being employed in art installations, sculptures, and architectural designs because of its aesthetic appeal, versatility, and ability to withstand outdoor conditions. In conclusion, stainless special steel is utilized in a wide range of industries due to its durability, resistance to corrosion, strength, ability to withstand high temperatures, and aesthetic appeal. It plays a crucial role in construction, automotive, medical, food processing, aerospace, chemical, energy, marine, household appliances, and artistic fields.

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