ASTM A36 Round Steel Bar Large Quantity in Stock
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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Specification
High Quality A36 Round Steel Bar Large Quantity in Stock
Product Description of High Quality A36 Round Steel Bar Large Quantity in Stock
1. Steel grade: ASTM4140, SCM440, 42CrMo, DIN1.7225
2. Length: 6M-12M
3. Diameter: 16mm-300mm
4. Product range: round bar, flat bar, square bar
5. Technique: Hot rolled, forged, cold drawn
Specification of High Quality A36 Round Steel Bar Large Quantity in Stock
Material | SCM4140 | Round bar | Dia(mm) | 16-300mm |
Process | EAF + LF + VD + Forged + Heat Treatment (optional) | Length (mm) | Max 12m | |
Heat treatment | Normalized / Annealed / Quenched / tempered | Flat bar | Thickness(mm) | 8-500mm |
Delivery condition | Hot forged +Rough machined (black surface after Q/T)+ Turned (optional) | Width(mm) | 70-200mm | |
Test | Ultrasonic test according to SEP 1921-84 D/d | Length (mm) | Max 12m |
Chemical Composition of High Quality A36 Round Steel Bar Large Quantity in Stock
C | Si | Mn | Cr | Mo | P | S |
0.38~0.43 | 0.15~0.35 | 0.75~1.00 | 0.8~1.1 | 0.15~0.25 | ≤0.035 | <0.04< td=""> |
Photo Show of High Quality A36 Round Steel Bar Large Quantity in Stock
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of High Quality A36 Round Steel Bar Large Quantity in Stock
1. Steel round bar is used in a large number of architectural and engineering structures. Or it can be used in construction of plants for the production of steel house frames, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, etc.
2. And we can use this kind of product on the performance of the mechanical parts if the demand is not very high.
3. Some special material steel round bar can be used for main shaft of steamer, hummer shank, with big section and supper force.
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.
F A Q
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.
- Q: How do you measure the hardness of a steel round bar?
- The hardness of a steel round bar can be measured using various methods, with the most common method being the Rockwell hardness test. This test involves applying a specific load to an indenter and measuring the depth of the indentation left on the material's surface. To measure the hardness of a steel round bar using the Rockwell hardness test, the following steps can be followed: 1. Select the appropriate Rockwell scale for the steel being tested. The most commonly used scales for steel are HRC (Rockwell C) and HRB (Rockwell B). 2. Clean the surface of the steel round bar to remove any dirt, oil, or contaminants that could affect the accuracy of the test. 3. Place the steel round bar on a flat and stable surface, ensuring it is properly supported to prevent any movement during testing. 4. Select the appropriate indenter for the chosen Rockwell scale. For HRC, a diamond cone indenter is typically used, while for HRB, a hardened steel ball is used. 5. Apply a preliminary minor load to the indenter, typically 10 kgf (kilogram-force) for HRC and 3 kgf for HRB. This helps ensure proper contact between the indenter and the material's surface. 6. Apply the major load, which is specific to the chosen Rockwell scale. For HRC, it is typically 150 kgf, while for HRB, it is usually 100 kgf. 7. Allow the major load to dwell for a specific period, typically 15 seconds, to ensure proper indentation. 8. Release the major load while keeping the minor load applied. This allows the indenter to partially recover, reducing the depth of the indentation. 9. Measure the depth of the remaining indentation using a microscope or a specialized Rockwell hardness testing machine. The measured value corresponds to the hardness value on the chosen Rockwell scale. It is important to note that the Rockwell hardness test is just one of several methods available to measure the hardness of a steel round bar. Other methods, such as the Brinell hardness test or the Vickers hardness test, may also be used depending on the specific requirements of the application.
- Q: How do steel round bars compare to other materials like aluminum or titanium?
- Steel round bars have several advantages over other materials like aluminum or titanium. Firstly, steel is known for its exceptional strength and durability. It has a high tensile strength, which means it can withstand heavy loads and resist deformation under stress better than aluminum or titanium. This makes steel round bars an ideal choice for applications that require strong structural support. Additionally, steel has a higher melting point compared to aluminum, making it more suitable for high-temperature environments. It can withstand extreme heat without compromising its strength, making it a preferred choice for applications such as construction, manufacturing, and automotive industries. Another advantage of steel round bars is their cost-effectiveness. Steel is generally more affordable than titanium, making it a more budget-friendly option for various projects. Moreover, steel is readily available and easily sourced, while titanium can be more difficult to obtain and more expensive to manufacture. However, it is important to note that aluminum and titanium also have their own unique benefits. Aluminum is lightweight and has excellent corrosion resistance, making it a preferred material for industries such as aerospace, marine, and automotive. Titanium, on the other hand, is known for its exceptional strength-to-weight ratio and its resistance to corrosion. It is commonly used in applications that require high strength and low weight, such as aircraft components and medical implants. In summary, steel round bars offer unmatched strength, durability, and cost-effectiveness compared to aluminum or titanium. However, the choice of material ultimately depends on the specific requirements of the project, as each material has its own distinct advantages and applications.
- Q: How do you calculate the maximum allowable stress for a steel round bar?
- To calculate the maximum allowable stress for a steel round bar, several factors need to be taken into consideration. The maximum allowable stress represents the maximum amount of stress that the material can withstand before it starts to deform or fail. 1. Determine the material properties: Steel round bars come in various grades, each with their own unique material properties. These properties include the ultimate tensile strength (UTS), yield strength, and elongation percentage. These values can typically be found in material specification documents or reference books. 2. Identify the design factor: The design factor, also known as the safety factor or factor of safety, is a multiplier applied to the maximum stress to ensure the structure or component is safe and can handle unexpected or dynamic loads. The design factor can vary depending on the application and industry standards. Common values are between 1.5 and 4. 3. Calculate the allowable stress: The allowable stress is calculated by dividing the yield strength of the material by the design factor. This ensures that the structure or component operates within a safe stress range. The formula can be expressed as: Allowable Stress = Yield Strength / Design Factor. For example, if a steel round bar has a yield strength of 300 MPa and a design factor of 2, the maximum allowable stress would be 150 MPa (300 MPa / 2). This means that the steel round bar can safely withstand a maximum stress of 150 MPa before the risk of deformation or failure. It is important to note that the maximum allowable stress is just one aspect of designing a structure or component. Other factors such as fatigue, environmental conditions, and load distribution should also be taken into account to ensure a safe and reliable design. Consulting relevant engineering codes, standards, and professional guidance is highly recommended when calculating the maximum allowable stress for a specific application.
- Q: Q235 and mechanical properties of hot rolled steel cold drawn steel have what difference, Q235 hot rolled steel with 12 combined shearing machine has a number of very hard, the damage of the blades, why
- First of all, Q235 refers to the yield strength, is a heat treatment method, commonly used in thin steel plate material,
- Q: What is the maximum length of a steel round bar that can be produced?
- The maximum length of a steel round bar that can be produced depends on various factors such as the manufacturing process, the size and capacity of the equipment, and the logistical constraints involved. In general, steel round bars can be produced in lengths ranging from a few feet to several hundred feet. However, it is important to note that longer lengths may come with certain limitations or considerations. For instance, in hot rolling mills, the maximum length of a steel round bar is often determined by the size and capacity of the rolling mill itself. The length of the bar should be within the range that can be effectively rolled and processed by the machinery. Additionally, transportation and handling logistics can also impose constraints on the maximum length of a steel bar. Longer bars may require specialized equipment or careful planning to ensure safe and efficient movement. Therefore, it is crucial to consider the specific production capabilities and constraints of the steel manufacturer or supplier when determining the maximum length of a steel round bar that can be produced.
- Q: Can steel round bars be used in the defense industry?
- Indeed, in the defense industry, steel round bars find utility. Steel, being a remarkably resilient and sturdy substance, proves fitting for diverse applications within the defense sector. The production of vital defense equipment, such as gun barrels, armor plates, missile casings, and other essential components, can be achieved using steel round bars. The durability of steel guarantees that these components endure high-pressure circumstances and furnish the essential safeguard and assistance demanded in defense applications. Moreover, steel round bars can be customized through machining, welding, or heat treatment to fulfill the distinct necessities of various defense systems, rendering them a material choice ideally suited for the industry.
- Q: Can steel round bars be used for making kitchen utensils?
- No, steel round bars are typically not suitable for making kitchen utensils as they lack the required properties such as corrosion resistance and food-grade safety standards.
- Q: How are steel round bars used in the manufacturing of machinery and equipment?
- Steel round bars are commonly used in the manufacturing of machinery and equipment because of their high strength and durability. These bars are often machined, forged, or rolled to form various components such as shafts, gears, axles, and fasteners. Their uniform shape and consistent mechanical properties make them ideal for providing structural support, transferring power, and withstanding heavy loads in machinery and equipment. Additionally, steel round bars can be easily cut, welded, or heat treated to meet specific design requirements, making them versatile and essential in the manufacturing industry.
- Q: Can steel round bars be used as axles or shafts?
- Yes, steel round bars can be used as axles or shafts. Steel is a commonly used material for axles and shafts due to its high strength and durability. Steel round bars are particularly suitable for applications requiring rotational motion, such as axles and shafts, as they can handle heavy loads and withstand bending and torsional forces. Additionally, steel round bars can be machined and heat-treated to meet specific requirements for hardness and surface finish, further enhancing their suitability as axles or shafts. Overall, steel round bars are a reliable and widely used choice for axles and shafts in various industries, including automotive, machinery, and construction.
- Q: What is the tensile strength of a steel round bar?
- The tensile strength of a steel round bar can vary depending on the specific grade and manufacturing process. However, in general, steel round bars have a high tensile strength, typically ranging from 400 to 700 megapascals (MPa).
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ASTM A36 Round Steel Bar Large Quantity in Stock
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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