Sea 9260 Spring Steel Bar

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 120000 m.t./month

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C	Si	Mn	S	P	Cr	Ni	Cu
0.52-0.60	1.50-2.00	0.60-0.90	≤0.035	≤0.035	≤0.35	≤0.35	≤0.20

Product Name	Typical Grades	Diameter(mm)	Standard adopted
Carbon Steel	20 (1020/S20C/C22)	Ø16-Ø300	GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel	GCr9 (51100/SUJ1)	Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel	20Cr (5120/SCr420H/20Cr4)	Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel	20CrNiMo	Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)

Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

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, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

5, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

CNBM 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.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q: What are the different types of steel round bar alloys?: There are several different types of steel round bar alloys, including carbon steel, stainless steel, alloy steel, and tool steel.

Q: Are steel round bars suitable for electrical conductivity?: Steel round bars are not typically known for their electrical conductivity. Steel is a good conductor of heat but has relatively poor electrical conductivity compared to other metals such as copper or aluminum. This is because steel is primarily composed of iron, which is a poor conductor of electricity. However, the electrical conductivity of steel can be improved by adding certain alloying elements such as chromium or nickel. These alloying elements can enhance the electrical conductivity of steel, making it more suitable for specific applications where electrical conductivity is required. Nonetheless, if high electrical conductivity is a critical requirement, other materials like copper or aluminum are usually preferred over steel round bars.

Q: Can steel round bars be used for making cutting tools?: Yes, steel round bars can be used for making cutting tools. Steel is a versatile material known for its strength and durability, making it suitable for various applications including cutting tools. The round bars can be shaped and sharpened to create different types of cutting tools such as knives, blades, or drill bits.

Q: Are steel round bars suitable for aerospace applications?: Indeed, aerospace applications can find steel round bars to be suitable. Steel is renowned for its exceptional strength, durability, and resistance against corrosion, making it highly valued in the aerospace sector. Various aerospace components and structures, including landing gear, engine components, and structural supports, can benefit from the utilization of steel round bars. Nevertheless, it is crucial to acknowledge that the precise grade and composition of the steel round bars must adhere to the exacting requirements and standards established by the aerospace industry. Moreover, weight reduction endeavors and the integration of advanced materials like titanium and composites are also taken into account when considering aerospace applications.

Q: What are the advantages of using nickel-alloy steel round bars?: There are several advantages of using nickel-alloy steel round bars. Firstly, nickel-alloy steel has excellent corrosion resistance, making it suitable for use in harsh environments or applications where the material is exposed to corrosive elements. Secondly, nickel-alloy steel possesses high temperature strength and resistance to thermal expansion, making it ideal for use in high-temperature applications such as aerospace or power generation. Additionally, nickel-alloy steel offers good mechanical properties, including high tensile strength and toughness, which make it suitable for demanding applications that require strength and durability. Overall, the use of nickel-alloy steel round bars provides a combination of corrosion resistance, high-temperature strength, and mechanical properties, making it a versatile and reliable material choice in various industries.

Q: What are the advantages of using heat-treatable steel round bars?: There are several advantages of using heat-treatable steel round bars: 1. Increased strength: Heat-treatable steel round bars can be subjected to controlled heating and cooling processes, which enhances their strength and hardness. This makes them suitable for applications that require high strength and durability. 2. Improved wear resistance: Through heat treatment, the steel round bars can develop a hardened surface layer, which significantly improves their resistance to wear and abrasion. This makes them ideal for use in industries such as manufacturing, construction, and automotive, where components are subjected to heavy wear and tear. 3. Customizability: Heat-treatable steel round bars offer the advantage of being easily customizable to meet specific requirements. By adjusting the heat treatment process, the hardness, strength, and other mechanical properties of the bars can be tailored to suit different applications, ensuring optimal performance. 4. Machinability: Heat-treatable steel round bars typically have good machinability, which means they can be easily cut, drilled, or shaped into various forms without compromising their structural integrity. This makes them convenient to work with, reducing production time and costs. 5. Versatility: Heat-treatable steel round bars are highly versatile and find applications in a wide range of industries, including construction, manufacturing, oil and gas, automotive, and aerospace. They are commonly used in the production of shafts, gears, bolts, axles, and other critical components. 6. Cost-effectiveness: While heat-treatable steel round bars may have a higher initial cost compared to non-heat-treatable or lower-grade steels, their durability and enhanced properties make them cost-effective in the long run. The improved strength and wear resistance lead to longer service life, reducing the need for frequent replacements and maintenance. Overall, the advantages of using heat-treatable steel round bars include increased strength, improved wear resistance, customizability, good machinability, versatility, and cost-effectiveness. These benefits make them a preferred choice for demanding applications that require high-performance materials.

Q: What are the differences between hot rolled stainless steel rounds and cold drawn round ones?: Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Where: 5.5-25 mm small round steel mostly straight bundles of supply, used for steel, bolts and various mechanical parts; greater than 25 mm round steel, seamless steel pipe is mainly used for the manufacture of mechanical parts of the tube, etc..

Q: How are steel round bars measured and specified?: Steel round bars are measured and specified based on their diameter, which is typically expressed in millimeters or inches. The measurement is taken across the widest point of the circular cross-section of the bar. In addition to the diameter, the length of the bar is also specified. The measurements and specifications are crucial in determining the appropriate size and quantity of steel round bars required for a particular application or project.

Q: Can steel round bars be used for making bridges?: Bridges can be made using steel round bars, as they possess high strength and durability, making them a popular choice in bridge construction. Reinforcing bars, also known as round bars or rebars, are frequently employed to strengthen concrete structures such as bridge decks and piers. These bars enhance tensile strength and promote an even distribution of loads, thereby increasing the bridge's resistance to bending or twisting forces. Furthermore, round bars serve as structural components in cable-stayed or suspension bridges, providing support and reinforcement to the main load-bearing cables. In conclusion, steel round bars are a versatile and dependable option for bridge construction, as they offer the necessary strength and stability to withstand the heavy loads and harsh environmental conditions experienced by bridges.

Q: Can steel round bars be used for making universal joints?: Yes, steel round bars can be used for making universal joints. Steel round bars are commonly used in the manufacturing of universal joints due to their strength, durability, and ability to handle high torque and rotational forces.

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