GB 45#/SAE 1045 Steel Round Bar 16mm-18mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 10000 m.t/month
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GB 45#/SAE 1045 Steel Round Bar 16mm-18mm
Description：
-Specification: 16mm-18mm
-Length: 6m、12m
-Standard: GB/SAE/Japanese Standard
-Material: GB 45#/SAE1045/S45C
Chemical Composition of GB 45#/SAE 1045 Steel Round Bar 16mm-18mm:
| C | Si | Mn | P | S | Ni | Cr | Cu |
| 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | ≤0.30 | ≤0.25 | ≤0.25 |
Packaging & Delivery of GB 45#/SAE 1045 Steel Round Bar 16mm-18mm:
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: 45 days
MOQ: 50 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: The price 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.
Payment:
-Invoicing on theoretical weight or actual weight a s customer’s request.
-FOB, CFR or CIF.
-Regular terms of payment:
1, 30% payment in advance, the remaining balance (70% payment) against the copy of B/L.
2, 30% payment in advance, the remaining balance (70% L/C) against the copy of B/L.
3, Negotiable.
Images of GB 45#/SAE 1045 Steel Round Bar 16mm-18mm:
*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.
- Q: What are the different heat treatment processes for steel round bars?
- Enhancing the mechanical properties and improving the overall performance of steel round bars can be achieved through various heat treatment processes. Here are a few examples: 1. Annealing: By subjecting the steel round bars to high temperatures followed by slow cooling, typically in a furnace, internal stresses are relieved, ductility is improved, and the grain structure of the steel is refined. 2. Normalizing: This process involves heating the steel round bars to a temperature above the critical range and then allowing them to cool naturally. It helps refine the grain structure, enhance machinability, and improve the mechanical properties of the steel. 3. Quenching and tempering: Rapid cooling, or quenching, is done by immersing the heated steel round bars in a quenching medium like oil or water. This produces a hard and brittle structure known as martensite. To reduce brittleness and improve toughness, tempering involves reheating the quenched steel to a specific temperature and cooling it. This process enhances the strength, hardness, and toughness of the steel. 4. Stress-relieving: By heating the steel round bars to a specific temperature below the critical range and maintaining it for a set period, stress-relieving helps reduce residual stresses that may have developed during previous manufacturing processes. This improves dimensional stability and reduces the risk of distortion or cracking. 5. Induction hardening: This specialized heat treatment process selectively heats the surface of the steel round bars using high-frequency induction currents. By quickly raising the surface temperature, it allows for hardening through subsequent quenching. Induction hardening is commonly used to increase surface wear resistance and hardness while preserving the core's toughness and ductility. These represent some of the commonly employed heat treatment processes for steel round bars. The choice of the appropriate process depends on the desired mechanical properties, intended application, and specific requirements of the steel round bars.
- Q: What is the difference between a centerless ground and a cold finished steel round bar?
- A centerless ground steel round bar is produced by grinding the surface of the bar to achieve a precise diameter and smooth finish, while a cold finished steel round bar is produced by cold drawing the bar through a die to achieve the desired shape and size without any additional surface treatment. The centerless ground bar has tighter tolerances and a smoother surface, making it suitable for applications that require high precision and a polished appearance. On the other hand, the cold finished bar may have slightly looser tolerances and a rougher surface, but it is more cost-effective and suitable for applications that do not require extreme precision or a polished finish.
- Q: What are the different types of surface treatments for steel round bars?
- Steel round bars can be treated in several ways to enhance their properties and suit different applications. Some commonly used treatments for steel round bars include: 1. Zinc coating, also known as galvanization, provides excellent corrosion resistance. It is often used in outdoor and marine applications. 2. Black oxide coating chemically converts the surface of the steel round bars to a black iron oxide layer, offering enhanced corrosion resistance and an attractive black finish. This treatment is popular for decorative purposes. 3. Grinding is a surface treatment that involves using abrasive materials to remove the outer layer of the steel round bars. This process improves the surface finish, making them smoother and more visually appealing. 4. Shot blasting involves propelling small metallic or non-metallic particles at high velocity onto the surface of the steel round bars. It effectively removes impurities like mill scale and rust, resulting in a clean and uniform surface. 5. Chrome plating deposits a layer of chromium onto the surface of the steel round bars, providing excellent corrosion resistance and a polished, mirror-like finish. This treatment is commonly used when aesthetics and corrosion resistance are important. 6. Powder coating involves applying a dry powder electrostatically to the steel round bars, which is then cured under heat. This treatment creates a durable and visually appealing finish that is resistant to corrosion, chemicals, and UV rays. 7. Passivation is a chemical treatment that removes iron and other contaminants from the surface of the steel round bars. It leaves behind a clean and corrosion-resistant layer. Passivation is particularly important in industries such as medical and food, where cleanliness and corrosion resistance are crucial. These examples highlight the range of surface treatments available for steel round bars. The choice of treatment depends on specific requirements such as corrosion resistance, aesthetics, and durability.
- Q: What are the tolerances for steel round bars?
- The tolerances of steel round bars can differ based on the specific requirements of the application and manufacturing process. Generally, steel round bars have specified tolerances for diameter, straightness, and length. For diameter tolerance, it is usual to find tolerances ranging from +/- 0.001 inches to +/- 0.005 inches. This means that the actual diameter of the steel round bar can deviate within this range from the specified diameter. The size and grade of the bar determine the specific tolerance. Straightness tolerance refers to the permissible deviation in the straightness of the bar. Typically, it is specified as a maximum deviation per unit length, such as 0.125 inches per foot. This ensures that the bar remains straight and within acceptable limits when measured along its length. Length tolerance determines the allowable variation in the overall length of the round bar. It can range from +/- 0.125 inches to +/- 0.5 inches, depending on the size and grade of the bar. This ensures that the bar meets the required length specifications. It is important to note that these tolerances can vary based on industry standards, customer specifications, and the manufacturing method employed. Moreover, certain applications may have stricter tolerance requirements, particularly in industries like aerospace or automotive where precision is crucial. To summarize, the tolerances for steel round bars encompass diameter, straightness, and length. The specific tolerances depend on the size, grade, and application of the round bar, as well as any relevant industry standards or customer specifications.
- Q: What is the difference between a bright and a hot rolled steel round bar?
- The difference between a bright and a hot rolled steel round bar lies in their manufacturing processes and resulting characteristics. A hot rolled steel round bar is produced by heating the steel billet or ingot to a high temperature and then rolling it through a series of rolling mills to achieve the desired shape. This process results in a rough surface texture with a scale layer on the outside. Hot rolled steel bars are typically used for structural applications where strength and durability are important. They are known for their rough appearance and may require further processing, such as grinding or machining, to achieve a smooth surface finish. On the other hand, a bright steel round bar, also known as a cold drawn or cold finished bar, is produced by drawing the hot rolled steel bar through a series of dies at room temperature. This process helps to improve the dimensional accuracy, surface finish, and mechanical properties of the steel. The resulting bright steel bar has a smooth and shiny surface, free from scale or rough texture. Bright steel bars are commonly used in applications where a superior surface finish and tight dimensional tolerances are required, such as in the manufacturing of precision components or for decorative purposes. In summary, the main difference between a bright and a hot rolled steel round bar lies in their surface finish, dimensional accuracy, and applications. Hot rolled steel bars have a rough surface texture and are suitable for structural applications, while bright steel bars have a smooth and shiny surface finish, making them ideal for precision or decorative applications.
- Q: Are steel round bars used in the automotive industry?
- Steel round bars are widely utilized in the automotive industry. They find their application in diverse areas like the production of engine components, suspension systems, chassis, and axles. Due to their exceptional strength, durability, and versatility, steel round bars are highly favored for automotive parts that demand exceptional performance and reliability. Moreover, steel's capacity to endure heavy loads and its resistance to deformation make it well-suited for critical automotive applications prioritizing safety.
- Q: Can steel round bars be used for making gears?
- Certainly! Gears can indeed be made using steel round bars. The reason for their widespread use in gear manufacturing lies in their outstanding strength, longevity, and ability to withstand damage. These bars can be processed, subjected to heat treatment, and molded into different types of gears, including spur gears, helical gears, and bevel gears. Steel round bars provide exceptional accuracy and dependability, making them ideal for applications demanding durable and high-performing gears, like automotive transmissions, industrial machinery, and power transmission systems.
- Q: Can steel round bars be used in the production of electrical equipment?
- Yes, steel round bars can be used in the production of electrical equipment. Steel is a highly versatile and durable material that can provide structural support and conductivity in various electrical components. The round shape of the bars allows for easy fabrication and assembly, making them suitable for use in electrical equipment manufacturing.
- Q: Are steel round bars suitable for use in the mining industry?
- The mining industry finds steel round bars to be suitable for use. These bars are renowned for their strength and durability, making them an ideal choice for heavy-duty equipment and machinery in mining. They can be utilized in various ways, such as shafts, support beams, and structural components in underground mines, open-pit mines, and processing plants. The steel round bars have the capability to withstand high loads and pressures, enabling them to thrive in harsh mining environments. They possess excellent tensile strength and can endure extreme temperatures, resulting in resistance to wear, abrasion, and impact. This is especially valuable in mining operations where equipment is subjected to heavy loads, vibrations, and constant movement. Furthermore, the steel round bars are easily weldable, fabricated, and machined to meet specific requirements, making them versatile and adaptable for a wide range of mining applications. They can be customized in terms of size, length, and shape, ensuring a perfect fit for various mining equipment and structures. Beyond their strength and versatility, steel round bars also offer cost-effectiveness and long-term value. They have a long lifespan, require minimal maintenance, and can withstand the harsh conditions typically encountered in mining operations, reducing the need for frequent replacements or repairs. Overall, steel round bars are a reliable and suitable choice for the mining industry due to their strength, durability, versatility, and cost-effectiveness. They provide the necessary support and structural integrity required for mining operations, ensuring the safety and efficiency of the industry.
- Q: Can steel round bars be used in automotive applications?
- Indeed, automotive applications do make use of steel round bars. The strength, durability, and versatility of steel round bars make them a popular choice for various automotive components and systems. These bars find their way into the manufacturing of engine parts, suspension components, drive shafts, axles, and other structural parts of vehicles. Their mechanical properties, including high tensile strength and resistance to impact and fatigue, make them well-suited for enduring the demanding conditions encountered in automotive applications. Moreover, steel round bars can be machined, welded, and formed into the desired shape with ease, enabling efficient manufacturing processes in the automotive industry.
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GB 45#/SAE 1045 Steel Round Bar 16mm-18mm
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t
- Supply Capability:
- 10000 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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