• JIS S20C Carbon Steel Round Bar System 1
  • JIS S20C Carbon Steel Round Bar System 2
  • JIS S20C Carbon Steel Round Bar System 3
  • JIS S20C Carbon Steel Round Bar System 4
  • JIS S20C Carbon Steel Round Bar System 5
  • JIS S20C Carbon Steel Round Bar System 6
JIS S20C Carbon Steel Round Bar

JIS S20C Carbon Steel Round Bar

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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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Item specifice

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
16mm-360mm
Length:
6m
Net Weight:
2mt

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

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.

Astm 615 Bs4449 B500B Deformed Steel RebarsAstm 615 Bs4449 B500B Deformed Steel Rebars 

 

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 advantages of using steel round bars in construction?
There are several advantages of using steel round bars in construction. Firstly, steel round bars offer exceptional strength and durability, making them ideal for supporting heavy loads and withstanding harsh weather conditions. Secondly, they are highly resistant to corrosion, ensuring long-lasting and low-maintenance structures. Additionally, steel round bars can be easily customized and shaped to fit various construction needs, allowing for flexibility in design. Lastly, steel round bars are readily available and cost-effective, making them a preferred choice for construction projects.
Q:What are the different types of steel round bars used in the manufacturing of springs?
There exists a variety of steel round bars that are commonly utilized in the production of springs. These types include: 1. Carbon steel round bars: This particular type of steel is frequently employed for springs and is characterized by its high carbon content, which usually falls within the range of 0.60% to 0.95%. Carbon steel round bars possess commendable strength and durability, rendering them appropriate for a wide array of spring applications. 2. Alloy steel round bars: These are formed by incorporating alloying elements like chromium, manganese, nickel, or vanadium into carbon steel. Alloy steel round bars offer improved mechanical properties, including heightened strength, toughness, and resistance to wear and corrosion. They are commonly employed in demanding or high-performance spring applications. 3. Stainless steel round bars: These bars are resistant to corrosion and contain a significant amount of chromium (usually exceeding 10.5%). Stainless steel round bars are highly sought after for springs that necessitate exceptional resistance to rust, oxidation, and chemicals. They find frequent use in applications where hygiene, cleanliness, and visual appeal are of utmost importance, such as in the food and medical sectors. 4. Spring steel round bars: These bars are specifically designed for spring production. They possess a unique combination of properties, including high yield strength, good fatigue resistance, and excellent elasticity. Spring steel round bars are typically crafted from either carbon steel or alloy steel, depending on the specific requirements of the application. It is crucial to select the appropriate steel round bar based on factors such as the intended application, load requirements, environmental conditions, and desired spring performance. Seeking guidance from a materials engineer or spring manufacturer can aid in determining the most suitable steel round bar for a particular spring manufacturing project.
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:Can steel round bars be used for making agricultural equipment?
Yes, steel round bars can be used for making agricultural equipment. Steel round bars are known for their high strength and durability, making them suitable for heavy-duty applications in the agricultural industry. They can be used to manufacture various agricultural equipment such as plows, tillers, cultivators, harrows, and seeders. The strength of steel round bars allows these equipment to withstand the harsh conditions in the field, including the impact of rocks and hard soil. Additionally, steel round bars can be easily shaped and welded, providing flexibility in designing and customizing agricultural equipment according to specific requirements. Overall, steel round bars are a reliable and cost-effective material choice for making agricultural equipment due to their strength, durability, and versatility.
Q:How do steel round bars perform under bending or flexing forces?
Steel round bars generally perform well under bending or flexing forces due to their high tensile strength and ductility. When subjected to bending forces, the steel round bars can resist deformation and maintain their shape, making them suitable for various applications such as construction, manufacturing, and engineering. The combination of high strength and ductility allows the bars to absorb and distribute the applied load evenly, minimizing the risk of failure or breakage. The behavior of steel round bars under bending or flexing forces can be further enhanced by factors such as the alloy composition, heat treatment, and manufacturing process. Different grades of steel can offer varying levels of strength, toughness, and resistance to bending. Heat treatment processes like quenching and tempering can further improve the mechanical properties, making the bars more resistant to bending and flexing. However, it is important to note that excessive bending or flexing can lead to permanent deformation or failure of the steel round bars. Overloading or repeated bending beyond the material's limits can cause stress concentrations, microcracks, or even fractures. Therefore, it is crucial to determine the appropriate bending limits and ensure proper design and installation to maintain the structural integrity and safety of steel round bars under bending or flexing forces.
Q:What are the differences between the products made of wrought round steel and hot rolled round steel and tested by mechanical testing after heat treatment?
In comparison, the general longitudinal performance of hot rolled round bar is better than that of transverse or tangential direction, and the difference between the two values is obvious. The banded structure is more obvious in the longitudinal microstructure, and the deformation of non-metallic plastic inclusions is more obvious
Q:What are the different grades of steel round bars?
The different grades of steel round bars include mild steel, carbon steel, alloy steel, and stainless steel.
Q:Can steel round bars be used in marine environments?
Yes, steel round bars can be used in marine environments. However, it is important to choose the right type of steel that is specifically designed for marine applications. Stainless steel is the most commonly used type of steel in marine environments due to its corrosion-resistant properties. It contains a high percentage of chromium, which forms a protective oxide layer on the surface of the steel, preventing corrosion from saltwater and other harsh elements. Additionally, stainless steel round bars are known for their strength and durability, making them suitable for various marine applications such as shipbuilding, offshore structures, and marine equipment. Regular maintenance and proper care are also essential to ensure the longevity and performance of steel round bars in marine environments.
Q:What is the maximum nitrogen content allowed for steel round bars?
The maximum nitrogen content allowed for steel round bars varies depending on the specific steel grade and application requirements. However, in general, the nitrogen content is typically limited to around 0.025-0.035% to maintain the desired mechanical properties and avoid detrimental effects on the material's performance.
Q:What are the different types of steel round bar alloys?
There are several different types of steel round bar alloys, including carbon steel, alloy steel, stainless steel, and tool steel.

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