C22 Carbon Steel Round 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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Chemical Composition	Mechanical Properties (In Quenched & Tempered State)
C	0.37-0.44 %	Tensile strength(MPA)	≥980(100)
Si	0.17-0.37 %	Yield strength (MPA)	≥785(80)
Mn	0.50-0.80 %	Elongation (δ5/%)	≥9
Cr	0.80-1.10 %	Reduction in Area (ψ/%)	≥45
Ni	≤0.30 %	Impact (J)	≥ 47
P	≤0.035 %	Impact toughness value αkv (J/cm2)	≥59(6)
S	≤0.035 %	Hardness	≤207HB
Cu	≤0.030 %

Grade/Material	1020 1045 4140 4130 4150 ASTM A36 A105 S20C S45c SCM440
Available sizes	Round: Dia. 9.5–300mm Square:88-160160mm Flat: Thickness 10–120mm, width 305 – 2200mm
Size tolerance	Length tolerance:+100mm/-0mm Straigthness:<=3mm/m
Delivery condition	Hot rolled or cold drawn or forged, turned or black surface, annealed or QT as customer’s request
Applications	Statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
Inspection	100% Ultrasonic according to the test standards: SEP1921-84,GR.3 CLASS C/C
Packing situation	In bundle or as customer required
Process	EAF+LF+VD ( necessary) +UT+ Peeled(optional) +Turned (optional) + Heat Treatment (optional)
Delivery time	30days after the down payment
Payment term	T/T or L/C

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: Can steel round bars be used for making shafts?: Yes, steel round bars can be used for making shafts. Steel round bars are commonly used for their strength, durability, and machinability, making them suitable for shaft applications in various industries such as automotive, construction, and manufacturing.

Q: Are steel round bars suitable for use in the manufacturing of springs?: Indeed, steel round bars prove to be a fitting choice when it comes to the fabrication of springs. The widespread use of steel round bars in spring production is owed to their exceptional sturdiness and longevity. The bar's circular form facilitates effortless bending and molding into diverse spring patterns. Moreover, steel boasts exceptional elasticity, rendering it an optimal material for springs that must absorb and retain mechanical energy. Furthermore, steel round bars exhibit commendable resistance to corrosion, an essential attribute for springs subjected to environmental elements. On the whole, steel round bars possess the essential qualities requisite for the creation of superior and dependable springs.

Q: What are the advantages of using nickel-chromium-manganese alloy steel round bars?: There are several advantages of using nickel-chromium-manganese alloy steel round bars in various applications. Firstly, this type of alloy steel offers excellent strength and durability. The combination of nickel, chromium, and manganese enhances the overall strength of the steel, making it resistant to wear, impact, and deformation. This is particularly beneficial in industries such as construction, manufacturing, and automotive, where the round bars are commonly used for structural support and load-bearing purposes. Secondly, nickel-chromium-manganese alloy steel round bars exhibit excellent corrosion resistance. The presence of nickel and chromium in the alloy composition makes it highly resistant to rust and oxidation, even in harsh environments or exposure to corrosive substances. This property is crucial in applications where the round bars are exposed to moisture, chemicals, or high temperatures, such as marine environments or chemical processing plants. Additionally, this type of alloy steel offers good weldability and machinability. The combination of nickel, chromium, and manganese provides a balanced composition that allows for easy welding and machining operations. This makes it convenient for fabricators and manufacturers to work with the round bars, enabling them to create complex shapes or structures without compromising the material's integrity. Moreover, nickel-chromium-manganese alloy steel round bars have excellent heat resistance. The presence of nickel and chromium in the alloy composition enhances its ability to withstand high temperatures without losing its strength or shape. This property makes it suitable for applications that involve exposure to extreme heat, such as furnace components, heat exchangers, or high-temperature industrial processes. Lastly, the use of nickel-chromium-manganese alloy steel round bars often leads to cost savings in the long run. Due to their exceptional strength and durability, these round bars have a longer lifespan compared to other materials. This reduces the need for frequent replacements, resulting in lower maintenance costs and improved overall efficiency. In conclusion, the advantages of using nickel-chromium-manganese alloy steel round bars include excellent strength and durability, corrosion resistance, weldability, machinability, heat resistance, and long-term cost savings. These properties make them a preferred choice in various industries where high-performance materials are required.

Q: What are the advantages of using steel round bars?: There are several advantages of using steel round bars in various applications. Firstly, steel round bars are known for their exceptional strength and durability. This makes them ideal for use in construction projects, as they can withstand heavy loads and provide structural integrity. Additionally, steel round bars have excellent resistance to corrosion, making them suitable for outdoor and marine applications. They can withstand exposure to harsh weather conditions and remain unaffected by moisture and chemicals. This ensures a longer lifespan and reduced maintenance costs. Steel round bars also offer versatility in terms of their shape and size. They can be easily customized and fabricated to meet specific requirements, making them suitable for a wide range of applications. Whether it's for construction, manufacturing, or engineering projects, steel round bars can be tailored to fit the desired dimensions and specifications. Furthermore, steel round bars have excellent machinability, allowing for easy cutting, drilling, and shaping. This makes them highly adaptable and easy to work with, saving time and effort during the fabrication process. Moreover, steel round bars have a high tensile strength, which means they can resist deformation under pressure. This makes them ideal for applications where a high level of strength is required, such as in the manufacturing of machinery, tools, and automotive components. Lastly, steel round bars are cost-effective compared to other materials. Their durability and long lifespan result in reduced maintenance and replacement costs over time. Additionally, their availability and widespread use make them a cost-efficient option for various industries. Overall, the advantages of using steel round bars include their exceptional strength, resistance to corrosion, versatility, machinability, high tensile strength, and cost-effectiveness. These qualities make them a popular choice in numerous applications, contributing to their widespread usage in industries worldwide.

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.

Q: What are the different grades of stainless steel round bars?: There is a variety of grades available for stainless steel round bars, each with its own unique properties and characteristics. The following are some commonly used grades: 1. Grade 304 is the most commonly used grade for stainless steel round bars. It provides good resistance to corrosion, high durability, and excellent formability. It is suitable for various applications, including food processing equipment, kitchen appliances, and architectural components. 2. Grade 316 is known for its exceptional resistance to corrosion, making it ideal for marine environments or industries where exposure to corrosive substances is common. It also exhibits excellent resistance to high temperatures, making it suitable for heat exchangers and chemical processing equipment. 3. Grade 410 is recognized for its high strength and hardness. It is commonly used in applications that require resistance to corrosion and moderate heat, such as cutlery, pump shafts, and valve parts. 4. Grade 420 contains a higher carbon content, resulting in increased strength and hardness compared to grade 410. It is frequently utilized in the production of surgical instruments, dental tools, and blades. 5. Grade 430 is known for its good corrosion resistance and formability. It is often employed in applications involving decorative trim, automotive components, and kitchen appliances. These examples represent just a few of the available grades for stainless steel round bars. It is crucial to select the appropriate grade based on the specific requirements of your application to ensure optimum performance and durability.

Q: Can steel round bars be used in the manufacturing of machinery?: Yes, steel round bars can definitely be used in the manufacturing of machinery. Steel round bars are widely used in various industries for their strength, durability, and versatility. They are commonly used to create components such as shafts, axles, gears, and other mechanical parts that require high strength and resistance to wear and tear. Steel round bars offer excellent mechanical properties, including high tensile strength and good machinability, which make them suitable for use in heavy machinery and equipment. Additionally, steel round bars can be easily welded, forged, or machined into the desired shape, making them a preferred choice for manufacturing machinery.

Q: What is a steel round bar?: A steel round bar is a long, cylindrical metal rod with a circular cross-section. It is typically made from steel, which is a strong and durable alloy composed primarily of iron and carbon. The round bar is commonly used in various industries such as construction, manufacturing, and engineering due to its versatility and reliability. It is often used as a structural component in buildings, as support or reinforcement in concrete structures, or as a component in machinery and equipment. The round shape allows for easy handling, machining, and welding processes. Steel round bars come in various diameters and lengths, and they can be further customized or fabricated to meet specific project requirements.

Q: Are steel round bars suitable for food processing applications?: Due to its numerous desirable properties, steel round bars are widely utilized in food processing applications. The durability of steel allows it to withstand heavy usage and frequent cleaning in food processing environments, making it an excellent choice for equipment like conveyor belts, mixers, and cutting tools. Moreover, steel round bars exhibit resistance to corrosion, a crucial characteristic for food processing applications that often involve exposure to moisture and various chemicals. This resistance ensures that the equipment remains hygienic and safe for food production. Additionally, steel round bars can be easily machined and fabricated into different shapes and sizes, making them highly versatile for fulfilling various food processing needs. They can be utilized to create custom equipment or components that meet specific requirements, thereby ensuring efficient and effective food processing operations. Furthermore, steel proves to be a cost-effective material for food processing applications. It offers remarkable value for money, delivering long-lasting performance, requiring minimal maintenance, and being readily available in the market. Nevertheless, it is important to note that not all steel round bars are suitable for food processing applications. In this industry, stainless steel is the most commonly used type of steel due to its enhanced corrosion resistance and hygienic properties. Consequently, when selecting steel round bars for food processing applications, it is crucial to ensure that they conform to the necessary standards and regulations for food safety.

Q: Can steel round bars be coated with protective coatings?: Yes, steel round bars can be coated with protective coatings. These coatings serve as a barrier to protect the steel from corrosion, abrasion, and other forms of damage. The most common type of protective coating used on steel round bars is called a corrosion-resistant coating. This coating is typically applied through processes such as hot-dip galvanizing, electroplating, or powder coating. These coatings provide a layer of protection that prevents the steel from coming into contact with corrosive substances, moisture, and other environmental factors that may cause deterioration. Additionally, protective coatings can also enhance the appearance of the steel round bars and increase their lifespan.

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