JIS S20C Carbon Steel Round Bar
- 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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Specification
JIS S20C Carbon Steel Round Bar
Product Description of JIS S20C Carbon Steel Round Bar
1. Steel grade: SAE1020, 20#, C22, S20C
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 JIS S20C Carbon Steel Round Bar
Material | S20C | 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 JIS S20C Carbon Steel Round Bar
C | Si | Mn | Cr | Ni | Cu |
0.17~0.23 | 0.17~0.37 | 0.35~0.65 | ≤0.25 | ≤0.30 | ≤0.25 |
Photo Show of JIS S20C Carbon Steel Round Bar
Packing and Delivery:
Packing in bundle package, or as customer's requirements.
Delivery Detail: 45 days after receiving the deposit.
Usage and Applications of JIS S20C Carbon Steel Round Bar
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: What are the different surface hardness options for steel round bars?
- The different surface hardness options for steel round bars depend on the specific heat treatment processes used. Common options include annealing for softening the steel and improving machinability, normalizing for uniform grain structure and increased strength, quenching and tempering for achieving high hardness and toughness, and case hardening techniques like carburizing or nitriding to create a hard outer layer while maintaining a softer core.
- Q: What are the different types of steel round bar coatings used in the oil and gas industry?
- Various coatings are commonly utilized in the oil and gas industry to enhance the durability and corrosion resistance of steel round bars. These coatings are essential for protecting the steel from the harsh conditions faced in oil and gas production, transportation, and refining processes. 1. Galvanized Coating: To enhance corrosion resistance, a layer of zinc is applied to the steel round bar through galvanization. This coating effectively safeguards the steel against moisture, chemicals, and exposure to the elements. Galvanized coatings find extensive usage in pipelines, offshore platforms, and storage tanks within the oil and gas industry. 2. Fusion Bonded Epoxy (FBE) Coating: FBE coating involves applying a thermosetting epoxy powder coating to the steel round bar using electrostatic spray. The coating is then fused with heat to form a robust, long-lasting, and corrosion-resistant layer. FBE coatings are widely employed in pipelines, valves, and fittings, providing excellent protection against corrosion, abrasion, and chemicals. 3. Polyethylene (PE) Coating: The application of a polyethylene layer to the steel round bar through extrusion or wrapping methods is known as PE coating. This coating is commonly utilized in oil and gas industry pipelines due to its exceptional resistance to corrosion, chemicals, and impact. Additionally, PE coatings are renowned for their flexibility, enabling the coated bars to withstand ground movement and temperature fluctuations. 4. Polypropylene (PP) Coating: Similar to PE coating, PP coating employs polypropylene instead. PP coatings offer comparable benefits to PE coatings, including corrosion resistance, chemical resistance, and flexibility. They are frequently employed in pipelines within the oil and gas industry, particularly in areas with higher temperatures or where chemical resistance is crucial. 5. Zinc-Nickel Coating: Zinc-nickel coatings involve electroplating a layer of zinc-nickel alloy onto the steel round bar. This coating provides outstanding corrosion protection, even in demanding environments such as offshore installations or high-salinity areas. Zinc-nickel coatings excel in both corrosion and abrasion resistance, making them highly suitable for diverse oil and gas applications. Overall, the utilization of these various steel round bar coatings plays a vital role in preserving the integrity and longevity of equipment and infrastructure in the oil and gas industry. They ensure that the steel bars can endure the challenging conditions encountered during exploration, production, and transportation, thereby reducing maintenance requirements and enhancing safety and reliability.
- Q: What is the difference between a cold-drawn and a centerless ground steel round bar?
- Both cold-drawn and centerless ground steel round bars are distinct types of steel bars that have undergone different manufacturing processes, leading to varied characteristics and properties. To produce cold-drawn steel round bars, a hot-rolled or annealed steel bar is pulled through a die, decreasing its diameter and increasing its length. This procedure enhances the steel's mechanical properties, making it stronger, more precise in dimensions, and possessing a smoother surface finish. Cold-drawn bars exhibit superior tensile strength, improved surface finish, and tighter dimensional tolerances compared to hot-rolled bars. They are frequently employed in applications that necessitate precision and strength, such as automotive components, machinery parts, and construction materials. On the contrary, centerless ground steel round bars are created by passing a cylindrical steel bar through a grinding machine without the need for centers or support. This grinding process eliminates surface imperfections and deviations in diameter, resulting in a precise and smooth finish. Centerless ground bars offer exceptional dimensional accuracy, surface finish, and roundness. They are commonly utilized in applications where precision and tight tolerances are crucial, such as in the production of bearings, shafts, and hydraulic cylinders. In conclusion, the primary distinction between a cold-drawn steel round bar and a centerless ground steel round bar lies in the manufacturing process and the resultant properties. Cold-drawn bars are formed by pulling the steel through a die, leading to enhanced mechanical properties, tighter tolerances, and a smoother surface finish. Centerless ground bars are produced by grinding the steel to enhance dimensional accuracy, roundness, and surface finish. Both types of bars possess their own advantages and are suitable for different applications based on the required precision, strength, and surface finish.
- Q: How are steel round bars used in the construction of dams and reservoirs?
- Steel round bars are commonly used in the construction of dams and reservoirs for reinforcement purposes. These bars are typically embedded within the concrete structures to enhance their strength and durability. The steel round bars act as a framework, providing structural integrity and preventing cracks or deformations in the concrete. This reinforcement ensures that the dam or reservoir can withstand the immense pressure and load exerted by the water, making them an essential component in the construction process.
- Q: Can steel round bars be forged?
- Indeed, it is possible to forge steel round bars. The act of forging entails subjecting the steel to elevated temperatures and subsequently molding it by exerting pressure using either a forging hammer or press. In the realm of forging procedures, steel round bars frequently find application in fabricating diverse forms and items, including tools, automotive components, and machinery parts. The intense heat generated during the forging process endows the steel with enhanced malleability, rendering it more pliable and amenable to shaping, thereby yielding a final product that is robust and long-lasting.
- Q: What are the different types of steel round bars used in the automotive steering systems?
- There are several types of steel round bars used in automotive steering systems, including carbon steel, alloy steel, and stainless steel. Carbon steel round bars are commonly used due to their affordability and high strength properties. Alloy steel round bars are used when higher strength and durability are required, as they have additional alloying elements such as chromium, nickel, and molybdenum. Stainless steel round bars are preferred for their corrosion resistance properties, making them suitable for steering components exposed to harsh environments or moisture.
- Q: How do you calculate the weight of a steel round bar?
- To determine the weight of a steel round bar, one can utilize the following equation: Weight = (Diameter^2 / 4) * Length * Density Within this equation, the Diameter signifies the round bar's diameter, Length denotes the bar's length, and Density represents the steel material's density. Initially, it is imperative to precisely measure the steel round bar's diameter. Subsequently, square the diameter by multiplying it by itself. Proceed to divide the outcome by 4. This shall yield the cross-sectional area of the round bar. Following this, multiply the cross-sectional area by the length of the bar. Lastly, multiply this value by the density of the steel material. Typically, the density of steel is around 7850 kg/m^3. The outcome of this computation shall furnish the weight of the steel round bar in either grams or kilograms, contingent upon the units implemented for the length and density.
- Q: Are steel round bars available in different colors?
- Steel round bars are generally found in a metallic grey hue, which is the inherent color of the steel material. Nevertheless, alternative colors of steel round bars can be obtained by utilizing different techniques like powder coating or painting. Through these procedures, a layer of paint or powder is applied to the surface of the steel, offering a diverse array of colors. This facilitates customization and aesthetic considerations, particularly in applications where the visual aspect of the steel is significant. It should be noted that the range of available colors may differ depending on the supplier or manufacturer.
- Q: Are steel round bars available in different shapes?
- No, steel round bars are typically only available in a cylindrical or circular shape. The term "round bar" refers specifically to the shape of the steel, which is typically a solid cylindrical piece. However, there are other types of steel bars available in different shapes, such as square bars, flat bars, or hexagonal bars, which offer different properties and uses.
- Q: Are steel round bars recyclable?
- Yes, steel round bars are recyclable. Steel is one of the most commonly recycled materials in the world, and round bars made of steel can be easily melted down and reused to make new steel products.
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JIS S20C Carbon Steel Round Bar
- 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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