Annealed,Hot Rolled&Forged 4130 Alloy Steel Bar
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Annealed,Hot Rolled&Forged 4130 Alloy Steel Bar
Material: | AISI 4130 Alloy Steel | |||||||||
Diameter | 6mm ~800mm or at your requirements | |||||||||
Length | 1m~12m or at your requirements | |||||||||
tolerance | a) Diameter: +/-0. 15mm or the others | |||||||||
b) Length:+/-4. 5mm or the others | ||||||||||
surface | black or turned | |||||||||
test | Squash test, Extended test, Water pressure test, Crystal rot test, Heat treatment, NDT. | |||||||||
Mechanical Property | Tensile Strength | ≥ (440~1470) | ||||||||
Yield Strength | ≥(255~1330) | |||||||||
Extension | ≥ (7%~24%) | |||||||||
Reduction of cross-section | ≥ (35%~60%) | |||||||||
Impact absorbing energy | ≥ (31~110) | |||||||||
Hardness (HBS) | ≤ (179~269) | |||||||||
Payment term | T/T L/C or we can negotiate it. | |||||||||
Delivery condition | EAF + LF + VD, hot rolled/forged/ Heat Treatment(optional), | |||||||||
Trade term | FOB/CFR/CIF | |||||||||
Delivery time | have stocks | |||||||||
Packagements | According to customers' requirements or export's demands | |||||||||
Port | Shenzhen/Guangzhou | |||||||||
MOQ | 100 Kilogrammes | |||||||||
Character
| 1,high strength and hardenability 4,good combination property 5,high quality and competitive price. | |||||||||
Application | made into ships, vehicle, aircraft, missile,weapons,railways,bridge,pressure vessel, machine tool,gears in gearbox, gear shaft, cam, worm, claw clutch, etc. | |||||||||
Products | Our products mainly cover special steel,including stainless steel, tool steel, die steel, bearing steel,etc. And in shapes, we provide steel round bar, steel square bar,steel flat bar, steel plate, steel sheet, steel coil, steel wire, ans steel pipe.Being the top-class products in China,our products have been used in all kinds of fields,such as aerospace, electronic information, machine manufacture,petrochemical,automotive,communication, transportation and medical instruments, etc. Our products are sold all over the world , mainly in Asia, South America, and Africa.
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FAQ:
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, Payment Terms?
30% TT as deposit and 70% before delivery.
Irrevocable L/C at sight.
4, Trading Terms?
EXW, FOB, CIF, FFR, CNF
5, After-sale Service?
We 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: How does special steel contribute to reducing product costs while maintaining quality?
- Special steel contributes to reducing product costs while maintaining quality through various ways. Firstly, special steel offers higher strength and durability, allowing manufacturers to create lighter and more efficient designs. This reduces material usage and transportation costs while maintaining the desired product performance. Additionally, special steel's exceptional corrosion resistance minimizes the need for expensive protective coatings or frequent maintenance, saving on long-term costs. Its superior heat resistance also enables manufacturers to use less energy during production processes, resulting in reduced operational expenses. Furthermore, special steel's unique properties, such as high machinability and formability, enhance manufacturing efficiency. This leads to reduced production time, lower labor costs, and increased overall productivity. Overall, the use of special steel in product manufacturing optimizes cost-efficiency without compromising quality, making it an indispensable material for many industries.
- Q: What are the different methods for improving the machinability of special steel?
- There are several methods for improving the machinability of special steel, including: 1. Alloying: Adding elements such as sulfur, lead, or selenium to the steel composition can enhance machinability by forming brittle compounds that break up chips during machining. 2. Heat treatment: Proper heat treatment, such as annealing or stress relieving, can reduce hardness and improve machinability. 3. Cutting tool selection: Choosing appropriate cutting tools with the right geometry, coatings, and materials can significantly enhance machinability. 4. Lubrication: Using suitable cutting fluids or lubricants during machining can reduce friction, heat generation, and tool wear, thereby improving machinability. 5. Machining parameters optimization: Adjusting cutting speed, feed rate, and depth of cut can optimize chip formation, reduce cutting forces, and enhance machinability. 6. Surface treatments: Applying surface coatings or treatments, such as nitriding or carburizing, can improve the wear resistance and reduce friction, leading to improved machinability. 7. Material selection: Selecting alternative steel grades with inherently better machinability characteristics can be an effective method for improving machinability.
- Q: How is high-temperature alloy steel used in the production of heat exchangers?
- High-temperature alloy steel is used in the production of heat exchangers due to its exceptional resistance to high temperatures and corrosion. It allows heat exchangers to efficiently transfer heat between two fluids while maintaining structural integrity. The alloy steel's properties, such as high strength and thermal stability, ensure long-lasting performance and reliability in demanding industrial processes.
- Q: Can special steel be used in the textile manufacturing industry?
- Yes, special steel can be used in the textile manufacturing industry. It is often used for making various machinery and equipment, such as looms, spinning machines, and knitting needles, due to its durability, strength, and resistance to wear and tear. Special steel can also be used for manufacturing textile accessories like fasteners, hooks, and needles, providing a reliable and efficient solution for the industry.
- Q: How does special steel perform in additive manufacturing applications?
- Special steel performs well in additive manufacturing applications due to its high strength, durability, and resistance to wear and corrosion. The unique properties of special steel, such as its ability to withstand high temperatures and extreme environments, make it an ideal material for 3D printing processes. Additionally, the flexibility and customization offered by additive manufacturing allows for the creation of complex geometries and intricate designs, further enhancing the performance of special steel in various applications.
- Q: How is martensitic steel used in knife making?
- Martensitic steel is widely used in knife making due to its excellent hardness, strength, and ability to hold a sharp edge. This type of steel undergoes a specific heat treatment process called quenching, which transforms its microstructure, resulting in a hard and durable blade. The high carbon content in martensitic steel enables it to be heat-treated to achieve different levels of hardness, tailored to specific knife requirements. Additionally, martensitic steel offers good corrosion resistance, making it an ideal choice for various knife applications, from everyday kitchen knives to high-performance hunting or tactical knives.
- Q: How is special steel stored and transported?
- Special steel is typically stored and transported in a controlled environment to ensure its quality and prevent any damage or contamination. It is stored in covered warehouses or facilities equipped with proper ventilation, humidity control, and temperature regulation. Additionally, special steel is often stored on racks or shelves to prevent direct contact with the ground and minimize the risk of corrosion. When it comes to transportation, special steel is usually transported in specially designed containers or crates, ensuring protection from external elements and providing secure handling during transit.
- Q: What is the impact of carburizing on the properties of special steel?
- The process known as carburizing, or case hardening, is utilized to introduce carbon into the surface layer of special steel, resulting in several beneficial effects. Firstly, carburizing forms a tough outer layer, called the case, which is carbon-rich. The infusion of carbon atoms into the steel matrix during carburizing increases the carbon content on the surface, leading to a higher level of hardness compared to the core. This hardened case provides exceptional resistance against wear, abrasion, and surface fatigue, making it ideal for applications requiring high durability, such as gears, camshafts, and bearings. Moreover, carburizing enhances the strength of the steel by improving its ability to form martensite, a hard, crystalline structure. This transformation contributes further to the hardness and strength of the carburized steel, making it suitable for applications necessitating high load-bearing capacity, like shafts and axles. Furthermore, carburizing has the potential to improve the fatigue resistance of special steel. The hardened case created during the carburizing process helps distribute stress evenly across the surface, reducing the probability of crack initiation and propagation. This enhanced resistance to fatigue failure makes carburized steel appropriate for components exposed to cyclic loading, such as gears and springs. However, it is important to acknowledge that carburizing also has its drawbacks. The higher carbon content on the surface can reduce the material's ductility and toughness, making it more susceptible to brittle fracture. To address this issue, it is common practice to utilize steel with a lower carbon content for the core, ensuring a balance between hardness and toughness. In conclusion, carburizing significantly impacts the properties of special steel, enhancing hardness, wear resistance, and strength, which is advantageous for applications requiring durability, high load-bearing capacity, and fatigue resistance. Nevertheless, careful control of the process is necessary to maintain a balance between hardness and toughness, ensuring the overall performance and reliability of the material.
- Q: How is special steel used in the manufacturing of tools and dies?
- Special steel is used in the manufacturing of tools and dies due to its exceptional properties, such as high strength, hardness, and wear resistance. These steels can withstand extreme temperatures and pressures during the forming, cutting, and shaping processes. They also have excellent dimensional stability, ensuring precise and accurate tooling. Special steel's unique composition and heat treatment capabilities allow for the production of durable and long-lasting tools and dies, which are essential for various industries like automotive, aerospace, and manufacturing.
- Q: How is special steel used in the production of aircraft components?
- Special steel is used in the production of aircraft components due to its exceptional strength, durability, and resistance to corrosion. It is commonly utilized in critical areas such as engine components, landing gear, and structural parts where high performance and reliability are essential. The special properties of steel allow for the creation of lightweight yet strong components, ensuring the safety and efficiency of aircraft operations.
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Annealed,Hot Rolled&Forged 4130 Alloy Steel Bar
- Ref Price:
-
- Loading Port:
- China main port
- 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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