Grade S48C CNBM Hot Rolled Alloy Steel Bar
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
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Specification
Specifications of Steel Round Rod Bar:
Material | S48C | Round bar | Dia(mm) | 16-600 |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12000 | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500 |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200 | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12000 | |
Chemical Composition:
C | Si | Mn | Cr | Mo |
0.26~0.34 | 0.17~0.37 | 0.40~0.70 | 0.80~1.10 | 0.15~0.25 |
Usage and Applications:
used for manufacturing the forging that have higher strength
and tempering section, just like the gear wheel used for
locomotive traction,booster Transmissioon gear,back
axle.connecting rod that have heavy loadign,and spring
clip,it can also used for tool joint of oil deep well under
2000meters and fishing tool.
Packaging & Delivery:
Packaging Detail: Standard seaworthy packing or as customer required; all goods are packed in bundle with steel strips and shipped by break bulk vessel or container
Delivery Detail: 45 days
Production Flow:
EAF+LF+VD+ Forged+ Heat Treatment
Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
Quality Assurance:
1. We will strictly inspect our production that we sold according to the customer’s request.
2. Our steel reaches international quality standards.
3. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
4. Should the packing found damaged, the buyer has the right to claim to the seller
- Q: What are the different types of tool and die steel?
- There are several different types of tool and die steel, including high-speed steel, carbon steel, and alloy steel. High-speed steel is known for its ability to maintain hardness and withstand high temperatures, making it suitable for cutting tools. Carbon steel is often used for dies and punches due to its toughness and wear resistance. Alloy steel, which is a combination of iron and other elements, offers enhanced strength and durability, making it ideal for various tool and die applications.
- Q: What are the corrosion resistance properties of special steel?
- Special steels are known for their excellent corrosion resistance properties. These steels have specific alloying elements added to enhance their resistance to corrosion, making them highly resistant to rust and various corrosive environments. Their composition and surface treatment provide a protective barrier against chemical reactions, moisture, and other corrosive agents, ensuring their durability and longevity in various applications.
- Q: How does special steel compare to other materials, such as aluminum or titanium?
- Special steel is known for its exceptional strength, durability, and resistance to wear and tear, making it superior to materials like aluminum or titanium in various applications. While aluminum is lightweight, it lacks the same level of strength and toughness as special steel. Titanium, on the other hand, offers comparable strength but is significantly more expensive. Special steel strikes a balance between strength, cost-effectiveness, and versatility, making it a preferred choice in many industries.
- Q: How does the carbon content affect the properties of special steel?
- The carbon content plays a crucial role in determining the properties of special steel. Higher carbon content tends to enhance its hardness, strength, and wear resistance. This is because carbon forms interstitial solid solutions with iron, creating stronger and more stable iron carbides. On the other hand, lower carbon content leads to increased ductility and toughness. The carbon content also influences the steel's ability to be heat-treated, affecting its response to processes like quenching and tempering. Therefore, controlling the carbon content allows manufacturers to tailor the properties of special steel to meet specific application requirements.
- Q: Can special steel be used in extreme weather conditions?
- Yes, special steel can be used in extreme weather conditions. Specialized steel alloys such as stainless steel or weathering steel are designed to withstand harsh environments, including extreme temperatures, high humidity, corrosive elements, and exposure to UV radiation. These steels offer enhanced durability, resistance to corrosion, and excellent structural integrity, making them suitable for various applications in extreme weather conditions.
- Q: What are the requirements for special steel used in corrosive environments?
- Special steels used in corrosive environments are required to have specific properties to ensure their durability and performance in such conditions. The requirements for these steels can be summarized as follows: 1. Corrosion resistance: The primary requirement for special steels used in corrosive environments is excellent corrosion resistance. These steels should be able to withstand the attack of aggressive substances such as acids, alkalis, and salts. They should exhibit minimal or no signs of corrosion, ensuring the longevity of the steel and preventing any degradation in performance. 2. High strength: Special steels used in corrosive environments should possess high strength to handle the mechanical stresses imposed on them. This property is crucial for applications where the steel is subjected to heavy loads, pressures, or impacts. High strength also helps in maintaining the integrity and structural stability of the steel in corrosive conditions. 3. Resistance to pitting and crevice corrosion: Pitting and crevice corrosion are localized forms of corrosion that can occur in the presence of certain aggressive chemicals or stagnant environments. Special steels should have resistance to such forms of corrosion, as they can lead to localized damage, reduced structural integrity, and potential failure of the steel. 4. Stress corrosion cracking resistance: Stress corrosion cracking is a phenomenon that occurs when a combination of tensile stress and a corrosive environment compromises the material's integrity. Special steels should be resistant to stress corrosion cracking, ensuring their reliability under applied loads in corrosive environments. 5. Resistance to intergranular corrosion: Intergranular corrosion can occur along grain boundaries, leading to the weakening of the material. Special steels used in corrosive environments should have good resistance to intergranular corrosion, preventing any loss in structural integrity. 6. Thermal stability: Special steels should exhibit thermal stability to maintain their properties and resist degradation at elevated temperatures. This characteristic is essential for applications involving high-temperature corrosive environments. 7. Easy maintenance: Special steels used in corrosive environments should be relatively easy to maintain. This includes aspects such as ease of cleaning, resistance to fouling or scaling, and compatibility with cleaning agents or procedures commonly used in the industry. It is important to note that the specific requirements for special steels used in corrosive environments may vary depending on the application and the type of corrosive substances encountered. Therefore, it is crucial to carefully consider the particular needs and consult with experts in the field to select the most appropriate steel for each specific corrosive environment.
- Q: What is the role of alloying elements in special steel?
- The role of alloying elements in special steel is crucial as their addition enhances the properties and characteristics of the steel. These elements are added in specific quantities and combinations to impart desirable traits such as increased strength, improved corrosion resistance, enhanced hardness, and superior heat resistance. One of the most common alloying elements used in special steel is chromium. Chromium helps in increasing the steel's resistance to corrosion and oxidation, making it suitable for applications in harsh environments. Additionally, it improves the steel's hardness and wear resistance. Another important alloying element is nickel. Nickel increases the steel's toughness, ductility, and strength, making it ideal for applications that require high strength and resilience. It also enhances the steel's resistance to corrosion and improves its ability to withstand high temperatures. Molybdenum is often used as an alloying element in special steel to enhance its strength, hardness, and toughness. It also improves the steel's resistance to corrosion and high-temperature environments. Manganese is another alloying element that contributes to the steel's strength, hardness, and wear resistance. Other alloying elements like vanadium, tungsten, and cobalt are used to further enhance specific properties of special steel. Vanadium, for example, improves the steel's strength, toughness, and wear resistance. Tungsten increases the steel's hardness, strength, and high-temperature resistance. Cobalt enhances the steel's magnetic properties, strength, and resistance to wear and corrosion. In summary, the role of alloying elements in special steel is to improve its properties and performance, making it suitable for specialized applications. By carefully selecting and incorporating these elements, manufacturers can tailor the steel to meet specific requirements, ensuring optimal performance in various industries such as aerospace, automotive, construction, and oil and gas.
- Q: What are the potential health hazards associated with working with special steel?
- There are potential health risks when working with special steel due to the materials and processes involved. Some of the main health hazards associated with this work include: 1. Inhaling harmful fumes: Special steels often contain various alloys and elements, such as chromium, nickel, and manganese. These can release toxic fumes when heated or welded. Prolonged exposure to these fumes can cause respiratory issues like bronchitis, asthma, or even lung cancer. 2. Irritation of the skin and eyes: Steelworking involves handling sharp edges, cutting tools, and abrasive materials, which can cause cuts, scratches, or puncture wounds. If not treated properly, these injuries can become infected or lead to more serious conditions. Additionally, contact with certain alloys in special steel can irritate the skin or cause allergic reactions. It's important to wear eye protection to prevent injuries from debris or sparks. 3. Hearing loss caused by noise: Steel manufacturing processes often involve heavy machinery, which creates high levels of noise. Prolonged exposure to this noise can result in permanent hearing loss or other auditory issues. Using appropriate hearing protection, like earmuffs or earplugs, can help reduce the risk. 4. Hazards related to ergonomics: Steelworking often requires repetitive movements, heavy lifting, or uncomfortable postures. This can lead to musculoskeletal disorders such as back pain, carpal tunnel syndrome, or tendonitis. Employers should implement proper ergonomic practices, such as adjustable workstations, lifting aids, and regular breaks, to prevent these hazards. 5. Thermal hazards: Special steel manufacturing processes involve high temperatures, such as welding or forging. Without proper protective clothing or equipment, this can result in burns. Exposure to extreme heat can also lead to heat-related illnesses like heat exhaustion or heat stroke. Adequate training, appropriate personal protective equipment (PPE), and regular breaks in cooler areas can help reduce these risks. To protect workers from these potential health hazards, employers should follow proper safety protocols. This includes providing employee training, ensuring the use of personal protective equipment, conducting regular health monitoring, and maintaining a clean and well-ventilated work environment. It is important to strictly adhere to occupational health and safety regulations in order to minimize the risks involved in working with special steel.
- Q: Can special steel be used in the agricultural sector?
- Yes, special steel can be used in the agricultural sector. Special steel, such as high-strength steel or corrosion-resistant steel, can be utilized in various applications within agriculture, including the manufacturing of farm equipment, machinery, tools, and infrastructure. These steel types offer enhanced durability, strength, and resistance to harsh environmental conditions, making them suitable for agricultural operations and ensuring long-lasting and efficient performance in the field.
- Q: How is special steel used in the production of cutting inserts?
- Special steel is used in the production of cutting inserts due to its unique properties, such as high hardness, wear resistance, and heat resistance. These qualities make it effective for withstanding the high temperatures and forces involved in cutting operations. Special steel cutting inserts are designed to cut through various materials, including metals, plastics, and composites, with precision and efficiency, making them essential tools in industries such as manufacturing, automotive, and aerospace.
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Grade S48C CNBM Hot Rolled Alloy Steel Bar
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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