Grade DIN34CrNiMo6(1.6582) Alloy Steel Round Bar
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
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Specification
Specifications of Round Bar
1. Alloy steel round bar
2. Dia:16mm~250mm
3. Length: 6m, 9m, 12m or as customer’s request
4. Tolerance: Within ±5% for weight; ±2mm for diameter
5. Note: The price can be better is the quantity is good
6. Equivement Grade:
DIN:34CRNIMO6
SAE:4340
JIS:SNCM439(SNCM8)
BS:817M40
UNI:40NiCrMo7
2. Chemical Composition
C | Si | Mn | S | P | Cr | Ni | Cu | Mo |
0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≤0.025 | ≤0.025 | 0.60-0.90 | 1.25-1.65 | ≤0.025 | 0.15-0.25 |
Mechanical Property
Tensile Strength: σb (MPa):≥980(100)
Yeild Strength: σs (MPa):≥835(85)
Elongation: δ5 (%):≥12
Impact Force: Akv (J):≥78
Usage and Applications of Round Bar
1. Chinese standard steel bar is often used where large amounts of steel need to be formed, for example as structural steel.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Steel round bar is used in construction and a large number of architectural and engineering structures.
Packaging & Delivery of Round Bar
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 15~45 days
Trade terms: FOB, CFR, CIF
MOQ: 30 metric tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: Theprice invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Production Flow of Round Bar
1. The common processes are preheated forging quenching, dual refinement solution process, cooling quenching and isothermal quenching. We use heat treatment for dual refinement solution process.
2. Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Q5: Can stainless steel rust?
A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.
- Q: What are the main applications of special steel in the defense electronics?
- Special steel is extensively used in defense electronics for various applications. It is primarily used for manufacturing components that require high strength, superior corrosion resistance, and excellent electromagnetic shielding properties. Special steel is crucial for producing military-grade electronic enclosures, connectors, and circuit boards, ensuring the protection and reliability of sensitive electronic equipment in harsh environments. Additionally, it is utilized in the production of radar systems, missile guidance systems, and communication equipment, where its exceptional thermal stability, durability, and electromagnetic compatibility play a vital role in enhancing the performance and effectiveness of defense electronics.
- Q: How does stainless steel contribute to the automotive industry?
- Stainless steel contributes to the automotive industry by providing superior strength, durability, and corrosion resistance. It is commonly used in the manufacturing of exhaust systems, body panels, and structural components, increasing the lifespan and safety of vehicles. Its high heat resistance also makes it ideal for engine parts, resulting in improved performance and efficiency.
- Q: What are the different pharmaceutical grades of special steel?
- There are several different pharmaceutical grades of special steel, including 316L, 904L, and 2205. These grades are chosen for their high corrosion resistance, excellent mechanical properties, and their ability to withstand harsh environments in pharmaceutical manufacturing processes.
- Q: What are the challenges in forging special steel?
- Forging special steel poses several challenges, primarily due to its composition and properties. One challenge is achieving the desired microstructure and alloy distribution throughout the steel during the forging process. Special steels often contain complex alloys, which can be difficult to evenly distribute and maintain during forging. Another challenge is controlling the temperature and heat treatment processes to avoid any detrimental effects on the steel's mechanical properties. Special steels are sensitive to temperature changes, and improper heating or cooling can lead to structural weaknesses or loss of desired properties. Additionally, forging special steels may require specialized equipment and techniques to accommodate their unique characteristics, making the process more intricate and demanding.
- Q: How is special steel used in the production of conveyor belts?
- To improve the durability, strength, and overall performance of conveyor belts, special steel is utilized during their production. Conveyor belts are commonly employed in industries like mining, manufacturing, food processing, and logistics for the transportation of materials and goods. These belts face various challenging conditions, including heavy loads, high temperatures, and abrasive materials. To ensure the longevity and reliability of conveyor belts, specific parts are constructed using special steel alloys such as stainless steel or heat-resistant steel. For instance, stainless steel is frequently used in wire mesh belts to prevent corrosion and rust, especially when the conveyor belt is exposed to moisture or chemicals. This safeguards the smooth and efficient movement of materials, preventing contamination. Moreover, special steel is incorporated in the manufacturing of belt fasteners, hinges, and other connecting components. These parts must endure substantial tension, heat, and wear, making standard steel inadequate in terms of strength and durability. Special steel alloys offer superior strength, high temperature resistance, and improved wear resistance, ensuring the reliable functioning of conveyor belts even under demanding conditions. Additionally, in applications where conveyor belts are subjected to extreme temperatures, such as steel mills or foundries, special heat-resistant steel is utilized. This type of steel can withstand intense heat without deformation or loss of strength, enabling the conveyor belt to operate safely and efficiently in such extreme environments. In conclusion, special steel plays a crucial role in enhancing the durability, strength, and ability of conveyor belts to withstand challenging conditions. Its utilization in wire mesh belts, fasteners, hinges, and heat-resistant components ensures the longevity and reliability of conveyor belts across diverse industries.
- Q: What are the different international trade regulations for special steel?
- Special steel, which is produced for specific applications or industries, falls under the purview of various international trade regulations. These regulations have the objectives of ensuring fair trade practices, protecting domestic industries, and promoting safety standards. The World Trade Organization (WTO) agreements are one of the primary international trade regulations for special steel. The WTO, through agreements like the General Agreement on Tariffs and Trade (GATT) and the Agreement on Safeguards, establishes rules for global trade. These agreements address issues such as tariffs, non-tariff barriers, and safeguard measures that may be imposed on imports of special steel. Another significant regulation is the Harmonized System (HS) codes. These codes provide a standardized system of names and numbers to classify traded products. Special steel is assigned specific HS codes, which enable customs authorities to determine the relevant duties and regulations applicable to these products during import or export. Regional trade agreements (RTAs) also play a role in regulating international trade of special steel. RTAs are agreements between countries or regions that aim to reduce trade barriers and promote economic integration. Examples of such agreements include NAFTA, the EU, and the CPTPP. They often include provisions related to tariffs, technical standards, and trade facilitation for special steel. Furthermore, certain countries may have specific regulations concerning the import or export of special steel. These regulations may encompass licensing requirements, quality standards, safety certifications, or restrictions on certain types of steel. Businesses involved in the trade of special steel must be aware of these country-specific regulations to ensure compliance. In conclusion, the regulations governing international trade of special steel encompass a variety of agreements, codes, and country-specific rules. Adhering to these regulations is crucial for companies engaged in global trade to ensure compliance, avoid penalties, and uphold fair trade practices.
- Q: What are the different inspection methods used for special steel?
- There are several inspection methods used for special steel, including visual inspection, magnetic particle inspection, ultrasonic testing, radiographic testing, and dye penetrant inspection. These methods help identify any surface defects, cracks, or internal flaws in the steel, ensuring its quality and integrity.
- Q: How is special steel tested for quality and performance?
- Special steel is tested for quality and performance through a variety of methods including chemical analysis, mechanical testing, hardness testing, and non-destructive testing. These tests help ensure that the steel meets the required specifications and standards, ensuring its reliability and performance in various applications.
- Q: What are the main advantages of using special steel in aerospace applications?
- The main advantages of using special steel in aerospace applications include its high strength-to-weight ratio, excellent corrosion resistance, and superior heat resistance. Special steel allows for the construction of lighter and more fuel-efficient aircraft, while still maintaining structural integrity under extreme conditions. Additionally, its resistance to corrosion and heat enables it to withstand the harsh environments and high temperatures experienced during flight.
- Q: How does special steel contribute to reducing production costs?
- Special steel can contribute to reducing production costs by offering improved durability and wear resistance, allowing for longer tool life and reducing the need for frequent replacements. Additionally, special steel's enhanced machinability can lead to faster production speeds and increased efficiency, resulting in cost savings.
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Grade DIN34CrNiMo6(1.6582) Alloy Steel Round Bar
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t
- Supply Capability:
- 10000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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