Hot Rolled A36 Carbon Steel Round Bars System 1

Hot Rolled A36 Carbon Steel Round Bars System 2

Hot Rolled A36 Carbon Steel Round Bars System 3

Hot Rolled A36 Carbon Steel Round Bars System 4

Hot Rolled A36 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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Household Appliance	Refrigerator shutter &side panels, Rice Cooker, Washer, Microwave Ovens, Freezers, Air conditions, Water Heaters, Sterilization Cabinets, Range Hoods, Computer Panels , DVD/DVB panels, TV back panel etc.
Construction Material	Fireproof Door &Kitchen Cabinet ,Ceiling, Sanitary Unit, Elevator etc.
Transportation	Car, Ship, Trains, Aircraft Equipment. etc.
Education and Health Field	Electronic Writing Boards, Projection Screens, Clean Operating Rooms, etc.

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:What are the different types of steel round bar alloys used in aerospace applications?: The different types of steel round bar alloys used in aerospace applications include stainless steel, nickel-based alloys, and titanium alloys. These alloys are chosen for their high strength-to-weight ratios, corrosion resistance, and ability to withstand extreme temperatures and pressures encountered in aerospace environments.

Q:What are the different surface defects that can occur in steel round bars?: Some common surface defects that can occur in steel round bars include scratches, dents, pits, cracks, and scales. These defects can affect the overall integrity and quality of the steel and may need to be addressed or repaired before the bars can be used in various applications.

Q:Can steel round bars be used in the power generation industry?: Yes, steel round bars can be used in the power generation industry. Steel round bars possess high strength and durability, making them suitable for various applications within the industry, such as supporting heavy machinery, constructing power plant structures, and manufacturing turbine components. Additionally, steel's resistance to corrosion and ability to withstand extreme temperatures make it an ideal material choice for the power generation industry.

Q:How are steel round bars used in the manufacturing of fasteners and bolts?: Fasteners and bolts often rely on the strength and durability of steel round bars. These bars serve as the primary material for creating the shaft or body of these components. The manufacturing process involves several steps. Initially, the steel round bars are cut to the desired length according to the specifications of the fastener or bolt. Subsequently, the bars are heated to a specific temperature to soften the steel, making it easier to shape. Once heated, the bars are placed in a machine called a thread roller. This machine employs a series of hardened steel dies to form the threads onto the surface of the round bar. By pressing against the rotating bar, the dies create the spiral shape of the threads. This threading process is crucial as it ensures a secure attachment of the fastener or bolt to other components or structures. After the threads are formed, the round bars are trimmed to their final required length for the fastener or bolt, guaranteeing the correct size and fit for the intended application. Finally, the finished round bars undergo further processing to apply necessary surface treatments or coatings. These may include galvanizing or the application of a corrosion-resistant coating to safeguard the fastener or bolt from environmental factors that could compromise its performance. In conclusion, steel round bars play a vital role in the manufacturing of fasteners and bolts. They serve as the main material for the shaft or body, providing the essential strength and durability. Through various manufacturing processes, such as cutting, heating, threading, and surface treatments, these round bars are transformed into high-quality fasteners and bolts, which are integral components across a wide range of industries and applications.

Q:How many meters is the minimum loading surface of galvanized steel wire for grounding grid?: Round steel (grade 1 steel) belongs to ordinary low carbon steel with low strength. However, the plasticity of the round bar is stronger, that is, the round steel has a larger deformation before it is pulled off.It has been widely used in the fields of hardware, construction, automobile, shipbuilding, petrochemical, machinery, medicine, food, electricity, energy, space, etc.. The most extensive machining of general machine parts, general rod type steel parts, CD pole, bolt, nut.

Q:Can steel round bars be machined?: Yes, steel round bars can be machined. Machining processes such as turning, milling, drilling, and grinding can be used to shape and cut steel round bars according to specific requirements.

Q:How do steel round bars compare to brass or copper bars?: Steel round bars, when compared to brass or copper bars, exhibit several key differences. Firstly, steel bars are known for their superior strength and durability. They have a high tensile strength and are capable of withstanding heavy loads and impacts, making them ideal for applications that require robustness and toughness. On the other hand, brass and copper bars are relatively softer and less rigid, making them more suitable for applications that prioritize malleability and electrical conductivity. Another significant difference lies in their corrosion resistance. While brass and copper bars are known for their excellent corrosion resistance, steel bars, particularly carbon steel, are more vulnerable to rusting. However, stainless steel round bars are highly resistant to corrosion due to the presence of chromium, making them a suitable alternative to brass or copper bars in environments where corrosion is a concern. In terms of cost, steel round bars are generally more economical compared to brass or copper bars. This is primarily due to the higher availability and lower production costs associated with steel. Brass and copper, being non-ferrous metals, are less abundant and require more complex extraction and refining processes, making them relatively more expensive. Furthermore, steel round bars offer a wide range of mechanical properties, such as different grades and compositions, allowing for customization based on specific application requirements. Conversely, brass and copper bars have more limited options in terms of strength and hardness variations. Overall, the choice between steel, brass, or copper round bars depends on the specific application and desired properties. Steel bars are preferred for their strength, durability, and cost-effectiveness, while brass or copper bars are favored for their malleability, electrical conductivity, and corrosion resistance.

Q:What is the maximum diameter of a steel round bar?: The maximum diameter of a steel round bar may differ depending on the specific grade and type of steel utilized. Nonetheless, typically, the diameter of a steel round bar ranges from 1 inch to 12 inches. On a customized order basis, larger diameters might be obtainable. To obtain precise information about the maximum diameter of a steel round bar for a particular grade and type of steel, it is crucial to consult the manufacturer or supplier.

Q:Can steel round bars be used in the mining industry?: Yes, steel round bars can be used in the mining industry. Steel round bars are commonly used in various mining applications due to their strength, durability, and resistance to corrosion. They are used in the construction of mining equipment, such as crushers, conveyors, and drill rods. Steel round bars are also utilized in the production of support structures, such as mine shafts and tunnels, as well as in the fabrication of drilling tools and machinery. Their versatility and high tensile strength make them an ideal choice for the demanding and harsh conditions often encountered in the mining industry.

Q:How do you measure the diameter of a steel round bar?: To measure the diameter of a steel round bar, you can use a caliper or a micrometer. First, ensure that the round bar is clean and free from any debris or rough edges. Place the round bar on a flat surface. If you have a caliper, open it and position one jaw on one side of the round bar and the other jaw on the opposite side. Make sure that the jaws are aligned perpendicular to the bar and are in contact with the outer surface. Gently close the caliper until both jaws are firmly against the bar. Read the measurement on the caliper's scale or digital display. This will give you the diameter of the round bar. Alternatively, if you have a micrometer, open it and set the thimble to zero. Position the anvil (stationary part) against one side of the round bar and the spindle (moving part) against the opposite side. Rotate the thimble until the spindle firmly contacts the bar. Read the measurement on the thimble's scale or digital display along with the corresponding number on the barrel. This will give you the diameter of the round bar. Remember to take multiple measurements at various points along the bar to ensure accuracy, as the round bar might not have a perfectly uniform diameter throughout its length.

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