A36 Steel Round Bar Round Bar EN19 ST37-2 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
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Quality Product, Order Online Tracking, Timely Delivery
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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:
13-300mm
Length:
6-12m
Net Weight:
2mt
A36 Steel Round Bar Round Bar EN19 ST37-2 Steel Round Bar
Product Description of A36 Steel Round Bar Round Bar EN19 ST37-2 Steel Round Bar
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 A36 Steel Round Bar Round Bar EN19 ST37-2 Steel Round Bar
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 A36 Steel Round Bar Round Bar EN19 ST37-2 Steel Round Bar
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 A36 Steel Round Bar Round Bar EN19 ST37-2 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 A36 Steel Round Bar Round Bar EN19 ST37-2 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 advantages of using weather-resistant steel round bars?
- Weather-resistant steel round bars have several advantages. Firstly, they have a higher resistance to corrosion compared to regular steel, making them ideal for outdoor applications or environments with high humidity or exposure to saltwater. Secondly, they have excellent strength and durability, allowing them to withstand harsh weather conditions, such as extreme temperatures, heavy rains, and strong winds. Additionally, these round bars require minimal maintenance, saving time and money in the long run. Overall, weather-resistant steel round bars provide enhanced longevity and performance, making them a reliable choice for various construction and industrial purposes.
- Q:Can steel round bars be used for making propeller shafts?
- It is indeed possible to utilize steel round bars in the production of propeller shafts. The utilization of steel in propeller shafts is widespread due to its robustness, endurance, and ability to withstand corrosion. In particular, round bars are frequently favored due to their shape, which offers exceptional strength and load-bearing capabilities. The decision regarding the steel grade and specific properties will be contingent upon the propeller shaft's requirements, such as the desired dimensions in terms of length, diameter, and torque capacity. Moreover, factors like cost, weight, and manufacturability may also play a role in influencing the selection of steel round bars for propeller shafts.
- Q:Can steel round bars be used in the manufacturing of power transmission components?
- Yes, steel round bars can be used in the manufacturing of power transmission components. Steel round bars are commonly used in the production of various mechanical and structural components due to their high strength, durability, and versatility. In power transmission systems, components such as shafts, gears, couplings, and spindles are often manufactured using steel round bars. The hardness and toughness of steel make it suitable for withstanding high levels of stress and torque, which are common in power transmission applications. Additionally, steel round bars can be machined and forged into different shapes and sizes, allowing for customization and precise engineering of power transmission components. Overall, steel round bars offer the necessary mechanical properties required for efficient and reliable power transmission in various industries.
- Q:What is the difference between a smooth and a deformed steel round bar?
- The main difference between a smooth and a deformed steel round bar lies in their surface texture. A smooth steel round bar has a plain and even surface, typically free from any ridges or indentations. On the other hand, a deformed steel round bar has intentional deformations or patterns on its surface, such as ribs, bumps, or grooves. These deformations provide enhanced bonding with concrete or other materials, increasing the bar's grip and preventing slippage. Deformed steel round bars are commonly used in construction projects that require reinforced concrete structures, while smooth steel round bars are often employed in applications where surface texture is not a crucial factor.
- Q:What are the different grades of carbon steel round bars for structural applications?
- Structural applications offer a variety of grades for carbon steel round bars, each possessing unique properties and characteristics. Some commonly used grades are as follows: 1. ASTM A36: Widely utilized for structural projects, this grade of carbon steel round bars boasts exceptional weldability and machinability. 2. ASTM A572-50: This high-strength, low-alloy structural steel grade provides an improved strength-to-weight ratio compared to traditional carbon steel. It is often employed in construction and structural applications requiring high strength. 3. ASTM A588: Primarily utilized in corrosion-resistant applications, this high-strength, low-alloy structural steel grade demonstrates excellent atmospheric corrosion resistance. It finds frequent usage in outdoor structures like bridges and buildings. 4. ASTM A709: Commonly employed in bridge construction, this high-strength, low-alloy structural steel grade offers outstanding strength, weldability, and toughness, making it ideal for demanding structural applications. 5. ASTM A105: This low-carbon steel grade possesses good strength and impact resistance, making it suitable for applications necessitating high strength and ductility, such as heavy equipment and machinery construction. These examples represent a limited selection of carbon steel round bar grades available for structural applications. The selection of an appropriate grade depends on factors including desired strength, weldability, machinability, and corrosion resistance. It is advisable to consult with a steel supplier or engineer to determine the most suitable grade for a specific application.
- Q:What are the common applications of steel round bars?
- Steel round bars are highly valued in various industries because of their strength, versatility, and durability. They find widespread use in different sectors, including construction, manufacturing, automotive, aerospace, energy and power, and the oil and gas industry. In construction, steel round bars are commonly employed for building frames, bridges, and infrastructure, providing structural support and withstanding heavy loads. They are also frequently used to reinforce concrete structures, enhancing their strength and resilience. The manufacturing industry relies on steel round bars for the production of various components and machinery. Gears, shafts, couplings, and axles are commonly fabricated using these bars due to their excellent machinability and ability to withstand high levels of stress and pressure. Within the automotive sector, steel round bars are extensively used to manufacture critical components such as crankshafts, steering systems, suspension parts, and axles. Their high tensile strength and resistance to wear and tear play a crucial role in ensuring the safety and reliability of vehicles. The aerospace industry heavily depends on steel round bars for the production of aircraft components, including landing gear, propeller shafts, and structural elements. Steel's high strength-to-weight ratio and exceptional fatigue resistance make it an ideal choice for withstanding the extreme conditions experienced in aerospace applications. In the energy and power sector, steel round bars are employed in the manufacturing of equipment like turbines, generators, and power transmission systems. Steel's ability to handle high temperatures and its resistance to corrosion make it a suitable material for these applications. The oil and gas industry extensively utilizes steel round bars for the production of drilling equipment, pipelines, and valves. Steel's resistance to corrosion and high-pressure environments makes it an indispensable material in this sector. In conclusion, steel round bars find a multitude of applications across industries due to their strength, versatility, and resistance to wear and tear. They play a crucial role in construction, manufacturing, automotive, aerospace, energy and power, as well as the oil and gas industry.
- Q:How do you determine the appropriate steel grade for a specific application?
- To determine the appropriate steel grade for a specific application, several factors need to be considered. These include the intended use of the steel, the required mechanical properties such as strength, hardness, and toughness, the desired corrosion resistance, and any specific industry standards or regulations that need to be met. Additionally, factors like cost, availability, and processability of the steel should also be taken into account. By evaluating these factors and consulting with experts, engineers can determine the most suitable steel grade for the specific application.
- Q:What are the different international standards for steel round bars?
- There are several different international standards for steel round bars, including ASTM A36, ASTM A615, ASTM A276, EN 10060, DIN 1013, and JIS G4105. Each standard specifies different requirements for the chemical composition, mechanical properties, dimensions, and tolerances of steel round bars, ensuring their quality and compatibility with specific applications.
- Q:What are the different types of surface defects in steel round bars?
- There are several different types of surface defects that can occur in steel round bars. These defects can vary in severity and can impact the quality and performance of the bars. Some of the common types of surface defects in steel round bars include: 1. Scale: Scale is a type of oxide layer that forms on the surface of steel during the manufacturing process. It can appear as a rough, flaky layer on the surface of the bar. Scale can negatively affect the appearance and surface finish of the bar. 2. Pits: Pits are small depressions or cavities that can occur on the surface of the bar. They can be caused by various factors such as corrosion, mechanical damage, or manufacturing defects. Pits can weaken the structural integrity of the bar and make it more susceptible to failure. 3. Scratches: Scratches are shallow grooves or marks on the surface of the bar. They can be caused by handling, transportation, or contact with other objects during the manufacturing process. While scratches may not significantly impact the strength of the bar, they can affect its appearance and surface finish. 4. Cracks: Cracks are linear fractures that can occur on the surface of the bar. They can be caused by excessive stress, thermal cycling, or manufacturing defects. Cracks can be extremely detrimental to the strength and integrity of the bar and can lead to catastrophic failure if left untreated. 5. Decarburization: Decarburization refers to the loss of carbon from the surface layer of the steel bar. It can occur during the heating or cooling processes and can result in a softer and weaker surface layer. Decarburization can reduce the overall strength and durability of the bar. 6. Lamination: Lamination refers to the separation or delamination of layers within the steel bar. It can occur during the manufacturing process due to improper bonding or rolling conditions. Lamination can weaken the structural integrity of the bar and make it more prone to failure. 7. Inclusions: Inclusions are non-metallic particles or impurities that can be present on the surface of the bar. They can be caused by contaminants in the raw materials or improper manufacturing processes. Inclusions can negatively impact the mechanical properties and performance of the bar. It is important to identify and address these surface defects in steel round bars to ensure their quality and performance. Various inspection and testing methods can be employed to detect and mitigate these defects, such as visual inspection, ultrasonic testing, magnetic particle inspection, and dye penetrant inspection.
- Q:What is the maximum weight that can be lifted using a steel round bar as a lifting rod?
- The maximum weight that can be lifted using a steel round bar as a lifting rod depends on several factors such as the diameter and length of the bar, the material composition and quality of the steel, and the lifting technique employed. Steel round bars have different load-bearing capacities based on their dimensions and grade. The load-bearing capacity of a steel bar can be calculated using engineering principles and formulas specific to the material and geometry of the bar. To determine the maximum weight that can be lifted with a particular steel round bar, it is necessary to consider its ultimate tensile strength (UTS), yield strength, and factor of safety. The UTS represents the maximum stress a material can withstand before failure, while the yield strength is the stress at which permanent deformation occurs. The factor of safety is a design parameter that accounts for uncertainties and ensures structural integrity. It is crucial to consult engineering references, standards, or professionals to obtain accurate and reliable information regarding the load-bearing capacity of a specific steel round bar. They can provide the necessary calculations, taking into account the diameter, length, and material properties of the bar, as well as the intended lifting application and safety requirements. In summary, the maximum weight that can be lifted using a steel round bar as a lifting rod depends on various factors and cannot be determined without considering the specific characteristics of the bar and the lifting scenario. Consulting engineering resources or experts is essential to ensure safe and accurate calculations.
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A36 Steel Round Bar Round Bar EN19 ST37-2 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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