1045 Grade 8.8 Carbon Steel Rod Bars System 1

1045 Grade 8.8 Carbon Steel Rod Bars System 2

1045 Grade 8.8 Carbon Steel Rod Bars System 3

1045 Grade 8.8 Carbon Steel Rod Bars System 4

1045 Grade 8.8 Carbon Steel Rod Bars

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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GB	ASTM	JIS	DIN	BS
45#	1045	S45C	C45(1.0503) CK45(1.1191	08M48

Chemical Composition (%)
C	Si	Mn	S	P	Cr	Ni
0.42-0.50	0.17-0.37	0.50-0.80	0.035	0.035	0.25	0.25
B	0.30-0.40

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)

Carbon Steel	Mold bottom, Plastic mold, Construction machinery parts Automobile parts, Security grills, Screens, Construction
Bearing Steel	Aerospace, Navigation, Nuclear energy, Chemical industry Electronic information, Petrochemical, Instrument and meter Transportation
Cr-Mo Steel	Mechanism & Fasteners gear, Stressed components for vehicles Engines and machines, Parts of larger cross-section
Gear Steel	All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts

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:How are steel round bars used in the oil and gas industry?: Steel round bars are commonly used in the oil and gas industry for various applications. They are utilized in the construction of drilling equipment, such as drill bits and drill collars, as well as in the manufacturing of valves, pipelines, and other components that need to withstand high pressure and corrosion. The strength and durability of steel round bars make them ideal for withstanding the harsh operating conditions encountered in the oil and gas sector.

Q:What is the minimum tensile strength of steel round bars?: The minimum tensile strength of steel round bars can vary depending on the specific grade of steel being used. However, in general, most steel round bars have a minimum tensile strength of around 400 megapascals (MPa) or 58,000 pounds per square inch (psi). It is important to note that this is a baseline minimum and different grades of steel may have higher tensile strengths to suit specific applications or requirements.

Q:What are the different surface treatments available for tool steel round bars?: Some of the different surface treatments available for tool steel round bars include: 1. Nitriding: This process involves diffusing nitrogen into the surface of the tool steel, which improves hardness, wear resistance, and corrosion resistance. 2. Hard Chrome Plating: This treatment involves applying a layer of chromium to the surface of the tool steel, which enhances hardness, wear resistance, and resistance to corrosion. 3. Black Oxide Coating: This treatment involves a chemical reaction that creates a black oxide layer on the surface of the tool steel, providing improved appearance and some corrosion resistance. 4. PVD Coating: Physical Vapor Deposition (PVD) is a process that deposits a thin film coating onto the surface of the tool steel. Different types of PVD coatings can improve hardness, lubricity, and resistance to wear and corrosion. 5. DLC Coating: Diamond-Like Carbon (DLC) coating is a type of PVD coating that incorporates carbon to provide enhanced hardness, low friction, and wear resistance. 6. Powder Coating: This process involves applying a dry powder coating to the surface of the tool steel, which is then cured to create a durable and attractive finish. These surface treatments can be chosen based on the specific requirements of the tool steel application, such as improving wear resistance, reducing friction, enhancing appearance, or providing corrosion resistance.

Q:Can steel round bars be used in the manufacturing of gears?: Yes, steel round bars can be used in the manufacturing of gears. Steel round bars are commonly used in gear manufacturing due to their high strength, durability, and resistance to wear and tear. The round shape of the bar allows for easy machining and shaping into the desired gear design. Steel round bars also have excellent mechanical properties, such as high tensile strength and good fatigue resistance, which are essential for gears that experience heavy loads and repetitive motions. Additionally, steel round bars can be heat-treated to further enhance their hardness and toughness, making them suitable for demanding gear applications. Overall, steel round bars are a popular choice in gear manufacturing due to their versatility and reliability.

Q:How is the copper wire and galvanized round steel connected during the construction of the lightning protection device?: Grounding device is an important component of lightning protection device. The earthing device releases the lightning current to the earth, and limits the lightning protection device to the ground voltage not too high. In addition to the independent lightning rod, the grounding device can be shared with other grounding devices on the premise that the grounding resistance meets the requirements.

Q:How do steel round bars compare to glass round bars?: Steel round bars are significantly stronger and more durable compared to glass round bars. Steel is a metallic material that offers high tensile strength and can withstand heavy loads, making it suitable for structural applications. On the other hand, glass round bars are more fragile and prone to breakage under stress. However, glass round bars have a more aesthetic appeal and are commonly used in decorative applications. The choice between steel and glass round bars depends on the specific requirements of the project, with steel being preferred for strength and glass for its visual qualities.

Q:How do steel round bars compare to cast iron bars?: Steel round bars are generally considered to be stronger and more durable than cast iron bars. Steel has a higher tensile strength and can withstand greater loads and stress without deforming or breaking. Additionally, steel is more resistant to corrosion and has a higher melting point compared to cast iron. Another advantage of steel round bars is their versatility. Steel can be easily machined, welded, and formed into various shapes, making it suitable for a wide range of applications. Cast iron, on the other hand, is brittle and difficult to work with. It has limited malleability and tends to crack or chip under stress. However, cast iron bars have their own unique properties that make them suitable for specific applications. Cast iron is known for its excellent heat retention and distribution, making it ideal for applications such as cookware and engine blocks. It also has good vibration damping properties, which can be beneficial in certain industrial applications. In summary, while steel round bars are generally considered to be superior in terms of strength, durability, and versatility, cast iron bars have their own specific advantages in certain applications. The choice between the two will ultimately depend on the specific requirements and conditions of the intended use.

Q:Can steel round bars be used in the telecommunications industry?: Yes, steel round bars can be used in the telecommunications industry. Steel round bars are commonly used to provide structural support for various telecommunications equipment such as antennas, satellite dishes, and communication towers. These bars are highly durable and can withstand harsh weather conditions, making them suitable for outdoor installations. Additionally, steel round bars can be easily fabricated and shaped to meet specific design requirements, allowing for the integration of various components in the telecommunications infrastructure.

Q:Can steel round bars be used for making valves or fittings?: Yes, steel round bars can be used for making valves or fittings. Steel round bars offer excellent strength, durability, and corrosion resistance, making them suitable for various applications in the manufacturing of valves and fittings. They can be easily machined, welded, and fabricated to meet specific design requirements, ensuring reliable and long-lasting performance in valve and fitting systems.

Q:Can steel round bars be used for drive shaft applications?: Yes, steel round bars can be used for drive shaft applications. Drive shafts are responsible for transmitting torque and rotational motion from the engine to the wheels or other components in various mechanical systems such as automobiles, industrial machinery, and even boats. Steel round bars possess excellent mechanical properties, including high strength, durability, and toughness, which are crucial for withstanding the stresses and loads imposed during operation. They also exhibit good fatigue resistance, allowing them to endure repeated loading cycles without failure. Furthermore, steel round bars can be accurately machined to meet the required dimensions and tolerances for drive shaft applications. They can be heat-treated to enhance their strength and hardness or surface treated to improve corrosion resistance if necessary. Overall, steel round bars are a popular choice for drive shaft applications due to their combination of strength, durability, and machinability, making them well-suited for transmitting power efficiently and reliably in various mechanical systems.

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