SD390 Steel Rebar with JIS Standard
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 160 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
SD390 Steel Rebar with JIS Standard
Description of SD390 Steel Rebar with JIS Standard
1, Diameter: 5.5mm-10mm SD390 Steel Rebar with JIS Standard
10m- 40mm SD390 Steel Rebar with JIS Standard
2, Length: 6m, 9m, 12m or customized
3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN
OEM technology - send detailed technical parameters for accurate quotation.
2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet -
hot rolled or forged to get the steel round bar and plate
3, Heat Treatment: annealing, normalizing, tempering, quenching
4, Surface Treatment: Black
5, Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Chemical Composition of SD390 Steel Rebar with JIS Standard
Grade | Technical data of the original chemical composition(%) | |||||
Reinforcing steel bar HRB335 | C | Mn | Si | S | P | B |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 335 | ≥490 | ≥16 | ||||
Reinforcing steel bar HRB400 | C | Mn | Si | S | P | B |
≤0.25 | ≤0.16 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physics Capability | ||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation(%) | ||||
≥ 400 | ≥ 570 | ≥ 14 | ||||
Products Show of SD390 Steel Rebar with JIS Standard
Company Information
CNBM International Corporation is the most important trading platform of CNBM group.
Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.
F A Q
1, Your advantages?
professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2, Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3, Factory or Trading Company?
CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.
4, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
5, Trading Terms?
EXW, FOB, CIF, FFR, CNF
6, After-sale Service?
CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.
For any problem, please kindly contact us at any your convenient time.
We'll reply you in our first priority within 24 hours.
- 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 international standards for special steel?
- The international standards for special steel are a set of guidelines and specifications that ensure the quality, performance, and safety of special steel products worldwide. These standards cover various aspects such as chemical composition, mechanical properties, heat treatment, and testing methods. Examples of international standards for special steel include ISO 4957 for tool steels, ASTM A681 for high-carbon and alloy tool steels, and EN 10083 for quenched and tempered steels. Compliance with these standards helps manufacturers, suppliers, and users to meet global requirements and maintain consistency in the production and use of special steel.
- Q: How is nitriding steel used in the production of tools and dies?
- Nitriding steel is used in the production of tools and dies to enhance their hardness, wear resistance, and overall performance. The process of nitriding involves introducing nitrogen to the surface of the steel, forming a hard nitride layer that significantly improves the tool's durability and lifespan. This treatment allows the tools and dies to withstand high temperatures, resist corrosion, and maintain their sharpness, making them more efficient and cost-effective in various industrial applications.
- Q: What are the different non-destructive evaluation techniques used for special steel?
- There are several non-destructive evaluation techniques used for special steel, including ultrasonic testing, magnetic particle inspection, liquid penetrant testing, eddy current testing, and radiographic testing. These techniques are used to detect flaws, defects, and structural integrity issues in special steel without causing any damage to the material.
- Q: How does special steel perform in automotive applications?
- Special steel performs exceptionally well in automotive applications due to its unique properties and characteristics. It offers superior strength, durability, and resistance to wear and corrosion, making it highly suitable for critical components such as engine parts, chassis, and suspension systems. Special steel also enables the production of lightweight designs, enhancing fuel efficiency and reducing emissions. Additionally, its high heat resistance and thermal conductivity contribute to improved performance and safety in extreme conditions. Overall, the use of special steel in automotive applications ensures enhanced reliability, performance, and longevity of vehicles.
- Q: What are the different surface cleaning methods used for special steel?
- There are several surface cleaning methods used for special steel, including mechanical cleaning, chemical cleaning, and electrochemical cleaning. Mechanical cleaning involves the use of abrasive tools or equipment to remove dirt, rust, or other contaminants from the surface. Chemical cleaning involves the use of chemicals, such as acids or solvents, to dissolve or remove contaminants. Electrochemical cleaning utilizes an electrical current to remove contaminants and improve the surface finish. Each method is chosen based on the specific requirements and condition of the special steel being cleaned.
- Q: How does special steel contribute to the manufacturing of automotive engine components?
- Special steel plays a crucial role in the manufacturing of automotive engine components as it offers exceptional strength, durability, and heat resistance properties. It allows for the production of lighter and more fuel-efficient engines without compromising on performance. Special steel also ensures reliable and efficient functioning of engine parts, such as pistons, crankshafts, valves, and connecting rods, resulting in improved overall engine performance and longevity.
- Q: How is the quality of special steel ensured?
- The quality of special steel is ensured through a combination of rigorous testing, strict quality control measures, and adherence to international standards and specifications. Special steel producers employ various methods such as chemical analysis, mechanical testing, and non-destructive testing to verify the composition, strength, and integrity of the steel. Additionally, special steel manufacturers often have dedicated quality assurance teams that closely monitor the production process to identify any potential issues and ensure the final product meets the required specifications.
- 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: Can special steel be used for structural applications?
- Yes, special steel can be used for structural applications. Special steels, such as high-strength and corrosion-resistant alloys, are often used in various structural applications where exceptional strength, durability, and reliability are required. These steels offer superior properties compared to regular carbon steels, making them suitable for demanding structural projects in industries like construction, automotive, aerospace, and offshore.
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SD390 Steel Rebar with JIS Standard
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 160 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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