Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars 42CrMO SCM440
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 90 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
5. Packing: In Bundle or according to your requirements.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
1. Commodity: Round steel bar
3. Technical: Hot rolling
2. Length: Min. 5.8meter, according to requirement.
3. Diameter: 16mm-250mm
Images of steel round bar:
FAQ:
1. What is your main market?
We mainly export to Asia such as Japan,Korea,Thailand and North America and Middle East.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
3. What payment term do you accept?
Payment: T/T or L/C at sight.
- Q: How to make the round welds on flat steel flat and qualified?
- On both sides of the steel and welded steel plate, each side of the weld length of 5 times the diameter of reinforcement, welding seam should be welded into a convex arc that is.
- Q: Are steel round bars suitable for outdoor sculptures?
- Yes, steel round bars are suitable for outdoor sculptures. Steel is a durable and strong material that can withstand harsh weather conditions, such as rain, snow, and extreme temperatures. It is resistant to corrosion, making it a great choice for outdoor use. Steel round bars can be easily shaped and welded together to create intricate and detailed sculptures. Additionally, steel can be finished with various coatings, such as powder coating or paint, to further protect it from the elements and enhance its appearance. Overall, steel round bars provide the necessary strength, durability, and versatility required for outdoor sculptures.
- Q: Can steel round bars be used for making sculptures?
- Yes, steel round bars can be used for making sculptures. Steel is a versatile and durable material that can be easily shaped and manipulated into various forms, making it suitable for sculpting. The round bars can be welded, bent, or cut to create the desired shapes and structures for the sculpture. Additionally, steel's strength and resistance to corrosion make it a long-lasting choice for outdoor sculptures.
- Q: Can steel round bars be used for making mining equipment?
- Yes, steel round bars can be used for making mining equipment. Steel round bars are commonly used in the manufacturing of various mining equipment due to their high strength, durability, and resistance to wear and tear. They are suitable for applications that require heavy-duty and robust equipment, such as drilling rigs, excavators, crushers, and conveyor systems used in the mining industry. The versatility of steel round bars allows them to be machined, welded, and formed into different shapes and sizes, making them ideal for customizing mining equipment to meet specific requirements. Additionally, steel round bars can withstand harsh operating conditions in mining environments, including exposure to abrasive materials, extreme temperatures, and heavy loads.
- Q: What is the typical yield strength of a steel round bar?
- The typical yield strength of a steel round bar can vary depending on the specific grade and manufacturing process, but it is commonly in the range of 300 to 700 megapascals (MPa).
- Q: Can steel round bars be hardened and tempered?
- Yes, it is possible to harden and temper steel round bars. Hardening and tempering are heat treatments that can enhance the hardness and strength of steel. To harden a steel round bar, it must be heated to a high temperature and then rapidly cooled, typically through quenching in water, oil, or air. This procedure alters the steel's structure, resulting in increased hardness and brittleness. However, the hardened steel round bar may be too brittle for many applications. To address this issue and improve its toughness, the hardened steel is subjected to tempering. Tempering entails reheating the steel to a specific temperature and holding it at that temperature for a designated period before allowing it to cool naturally. This process enables the steel to partially soften and alleviate internal stresses, thereby enhancing toughness and ductility. The hardness and tempering temperature can be adjusted to achieve desired mechanical properties for various applications. By employing the hardening and tempering process, steel round bars with different levels of hardness, strength, and toughness can be produced to meet specific engineering requirements.
- Q: Can steel round bars be coated with protective finishes?
- Yes, steel round bars can be coated with protective finishes. These finishes help to prevent corrosion, enhance durability, and provide additional resistance to wear and tear. Common protective finishes for steel round bars include coatings such as galvanization, powder coating, and epoxy coatings.
- Q: What is the difference between a cold-drawn and a polished steel round bar?
- A cold-drawn steel round bar is typically produced by pulling a hot-rolled bar through a die, resulting in a smoother and more precise diameter. On the other hand, a polished steel round bar undergoes an additional process of grinding or buffing to achieve a smooth and shiny surface finish. While both bars offer improved surface quality, the cold-drawn bar primarily focuses on dimensional accuracy, while the polished bar enhances aesthetics and corrosion resistance.
- Q: What are the advantages of using case-hardening steel round bars?
- There are several advantages to using case-hardening steel round bars. Firstly, case-hardening steel round bars have a hardened outer layer or "case" while maintaining a relatively soft and ductile core. This allows for excellent wear resistance on the surface, making them ideal for applications where the material comes into contact with abrasive or erosive forces. The hardness of the outer layer also provides increased strength and durability, enhancing the lifespan of the round bars. Another advantage of case-hardening steel round bars is their ability to withstand high impact loads. The hardened outer layer provides a barrier that absorbs and disperses the impact energy, preventing deformation or breakage of the material. This makes them suitable for applications where the round bars are subjected to heavy loads or impacts, such as in machinery or construction equipment. Additionally, case-hardening steel round bars offer improved fatigue resistance. The hardened surface layer helps to distribute stresses evenly, reducing the likelihood of cracks or fractures developing under cyclic loading conditions. This makes them suitable for use in applications that require long-term durability and resistance to repeated stress, such as automotive components or gears. Furthermore, case-hardening steel round bars have excellent machinability. The soft and ductile core allows for easy cutting, drilling, and shaping, while the hardened surface provides the necessary wear resistance. This makes them cost-effective and efficient to work with, as they can be easily formed into various shapes and sizes to meet specific design requirements. In conclusion, the advantages of using case-hardening steel round bars include excellent wear resistance, high impact load resistance, improved fatigue resistance, and excellent machinability. These properties make them a versatile and reliable choice for a wide range of applications in industries such as automotive, construction, and manufacturing.
- Q: What is the resistance to wear of a steel round bar?
- The wear resistance of a steel round bar can vary depending on several factors, including the type of steel used, hardness, surface finish, and any coatings or treatments applied. Steel is widely recognized for its exceptional wear resistance and ability to withstand abrasion and friction. Steel possesses inherent durability and strength, making it resistant to wear from repeated or prolonged contact with other surfaces. Its hardness and strength allow it to resist deformation, chipping, or cracking, even in high-stress situations. This quality makes steel round bars suitable for applications involving heavy loads, constant movement, or abrasive environments. However, it is important to acknowledge that external factors can still influence the wear resistance of a steel round bar. For instance, exposure to corrosive environments or improper handling and maintenance can compromise its wear resistance. In such cases, corrosion or surface damage may occur, resulting in a decrease in overall wear resistance. To enhance the wear resistance of a steel round bar, additional measures can be taken. Heat treatments like quenching and tempering can be employed to improve the hardness and strength of the steel, thereby increasing wear resistance. Furthermore, coatings such as chrome plating or nitriding can be utilized to provide an extra layer of protection against wear, reducing friction and extending the lifespan of the steel round bar. In conclusion, steel round bars generally exhibit high wear resistance due to their inherent durability and strength. However, factors such as steel type, surface finish, coatings, and environmental conditions can impact wear resistance. Proper selection, handling, and maintenance of the steel round bar are crucial to ensuring optimal wear resistance and prolonging its lifespan.
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Forged or Hot Rolled Sae 4140 Alloy Steel Round Bars 42CrMO SCM440
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 90 m.t.
- Supply Capability:
- 2000000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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