4140 Mild Steel Round Bar Sizes
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 500000 m.t./month
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4140 Mild Steel Round Bar Sizes
Product Description of 4140 Mild Steel Round Bar Sizes
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 4140 Mild Steel Round Bar Sizes
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 4140 Mild Steel Round Bar Sizes
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 4140 Mild Steel Round Bar Sizes
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of 4140 Mild Steel Round Bar Sizes
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 are steel round bars stored?
- Steel round bars are typically stored in a vertical position, either stacked on racks or placed in specially designed shelves or racks. These storage methods ensure that the bars are well-supported and easily accessible for transportation and use. Additionally, steel round bars are often bundled or strapped together to prevent them from rolling or becoming disorganized.
- Q:How do steel round bars compare to concrete round bars?
- Steel round bars are typically stronger and more durable than concrete round bars. Steel has a higher tensile strength and can withstand greater loads and stresses. Concrete round bars, on the other hand, are more commonly used for their resistance to corrosion and fire. Both materials have their own advantages and applications, but steel round bars are generally preferred for their superior strength and versatility in various construction projects.
- Q:What are the different shapes available for steel round bars?
- The different shapes available for steel round bars include round, square, hexagonal, and flat.
- Q:What is the difference between a bright and a hot rolled steel round bar?
- The manufacturing processes and resulting characteristics distinguish a bright steel round bar from a hot rolled steel round bar. To produce a hot rolled steel round bar, the steel billet or ingot is heated to a high temperature and then rolled through a series of rolling mills to achieve the desired shape. As a result, the bar has a rough surface texture with a scale layer on the outside. These bars are commonly used in structural applications where strength and durability are crucial. They have a rough appearance and may require additional processing, such as grinding or machining, to achieve a smooth surface finish. In contrast, a bright steel round bar, also known as a cold drawn or cold finished bar, is created by drawing the hot rolled steel bar through a series of dies at room temperature. This process enhances the dimensional accuracy, surface finish, and mechanical properties of the steel. The resulting bright steel bar has a smooth and shiny surface, devoid of scale or rough texture. These bars are frequently used in applications that require an excellent surface finish and tight dimensional tolerances, such as the production of precision components or for decorative purposes. In conclusion, the primary distinction between a bright and a hot rolled steel round bar lies in their surface finish, dimensional accuracy, and applications. Hot rolled steel bars feature a rough surface texture and are suitable for structural applications, while bright steel bars have a smooth and shiny surface finish, making them ideal for precision or decorative applications.
- Q:How are steel round bars used in the construction of railways?
- Steel round bars are commonly used in the construction of railways as they provide strength, durability, and stability to the railway tracks. These bars are typically laid horizontally and are used to support the rails, ensuring that they remain in place and can withstand heavy loads and constant train traffic. The round shape of the bars allows for uniform distribution of weight and reduces the risk of structural failure. Additionally, steel round bars are often used to reinforce the concrete foundations and structures associated with railway construction, further enhancing the overall stability and longevity of the railway system.
- Q:Can steel round bars be coated for improved aesthetics?
- Indeed, steel round bars have the potential to be coated for enhanced aesthetics. By applying a coating to steel round bars, their appearance can be elevated, resulting in a sleeker and more visually pleasing surface. Multiple coating alternatives, such as powder coating, electroplating, or painting, can be utilized to achieve diverse aesthetic outcomes when coating steel round bars. Moreover, these coatings offer more than just an improved appearance; they also grant additional advantages like increased resistance to corrosion and heightened durability. As a result, the practice of coating steel round bars is widely employed across various domains, including architecture, decoration, and industry, to enhance their aesthetics.
- Q:Can steel round bars be used for making bicycle frames or handlebars?
- Yes, steel round bars can be used for making bicycle frames or handlebars. Steel is a commonly used material in bicycle manufacturing due to its strength, durability, and affordability. Round bars made of steel provide excellent rigidity and stability, which are essential for ensuring the structural integrity of a bicycle frame or handlebars. Additionally, steel has a high tensile strength, allowing it to withstand the stresses and strains experienced during cycling. It is worth noting that different types of steel, such as chromoly steel, may be preferred for bicycle frames and handlebars as they offer specific advantages such as improved strength-to-weight ratio. However, in general, steel round bars are a suitable choice for constructing bicycle frames and handlebars.
- Q:What is the difference between a turned and a polished steel round bar?
- A turned steel round bar is machined to achieve a specific diameter and surface finish, while a polished steel round bar undergoes additional processing to enhance its surface smoothness and appearance.
- Q:What are the common sizes and dimensions of steel round bars?
- Different applications and requirements dictate the availability of steel round bars in a range of sizes and dimensions. The most prevalent sizes and dimensions for steel round bars encompass diameters spanning from 1/4 inch to 24 inches. These diameters correspond to the nominal size of the round bar, which approximates its cross-sectional diameter. Concerning dimensions, standard lengths of 20 feet or 6 meters are typically available for steel round bars. However, custom lengths can be manufactured upon request. The length of the round bar plays a crucial role as it determines the amount of material accessible for cutting, shaping, and fabrication. Furthermore, the weight of steel round bars may differ based on their size. Steel is typically evaluated by its weight per unit length, commonly specified in pounds per foot or kilograms per meter. The weight of a steel round bar is influenced by its diameter, length, and the specific type of steel employed. It should be noted that the aforementioned sizes and dimensions are industry standards, but there may be variations depending on the particular manufacturer or supplier. Hence, it is always advisable to consult the manufacturer's catalog or directly contact them to obtain accurate and up-to-date information regarding the sizes and dimensions of the steel round bars they offer.
- Q:Round bar, flat steel, not reinforced
- Round steel: 5.5-25 mm small round bars are mostly supplied by straight strips. They are commonly used as reinforcing bars, bolts and various mechanical parts. They are more than 25 millimeters of round steel. They are mainly used in the manufacture of mechanical parts or as seamless steel tube billets.
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4140 Mild Steel Round Bar Sizes
- 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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