Steel Round Bar SS400/S20C/SAE1020/S235JR/S275JR

Steel Round Bar SS400/S20C/SAE1020/S235JR/S275JR System 1

Steel Round Bar SS400/S20C/SAE1020/S235JR/S275JR

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 25000 m.t./month

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Standard	Grade	C%	Mn%	Si%	P%	S%	Cr%	Ni%	Cu%
JIS G3103	SS330				<0.050	<0.050	<0.20
	SS400				<0.050	<0.050	<0.20
	SS490				<0.050	<0.050	<0.20
JIS G4051-2005	S15C	0.13-0.18	0.30-0.60	0.15-0.35	<0.030	<0.035	<0.20
JIS G4051-2005	S20C	0.18-0.23	0.30-0.60	0.15-0.35	<0.030	<0.035	<0.20	<0.20	<0.20
ASTM A36	ASTMA36	<0.22	0.50-0.90	<0.40	<0.040	<0.050	<0.20	<0.20	<0.20
ASTM A568	SAE1015	0.13-0.18	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1017	0.15-0.20	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1018	0.15-0.20	0.60-0.90		<0.040	<0.050	<0.20	<0.20	<0.30
	SAE1020	0.15-0.20	0.30-0.60		<0.040	<0.050	<0.20	<0.20	<0.30
EN10025	S235JR	0.15-0.20	<1.40		<0.035	<0.035	<0.20
EN10025	S275JR	<0.22	<1.40		<0.035	<0.035	<0.20

Packaging & Shipping

In Bundles with strong lines. Accordig to our experience, It's export package which can keep round bar steady.

Steel Round Bar SS400/S20C/SAE1020/S235JR/S275JR

Q: What is the maximum weight that can be lifted using a steel round bar as a lifting rod?: The lifting capacity of a steel round bar depends on several factors, including its diameter, length, material composition, and lifting technique. Different steel round bars have different load-bearing capacities based on their dimensions and grade. Engineering principles and specific formulas can be used to calculate the load-bearing capacity of a steel bar based on its material and geometry. To determine the maximum weight that can be lifted with a particular steel round bar, it is important to consider its ultimate tensile strength, yield strength, and factor of safety. The ultimate tensile strength represents the maximum stress the material can handle before failure, while the yield strength is the stress at which permanent deformation occurs. The factor of safety is a design parameter that takes uncertainties into account and ensures structural integrity. To obtain accurate and reliable information about the load-bearing capacity of a specific steel round bar, it is crucial to consult engineering references, standards, or professionals. They can provide the necessary calculations, considering the bar's diameter, length, material properties, intended lifting application, and safety requirements. In conclusion, 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.

Q: How do you calculate the weight of a steel round bar based on its length and volume?: To calculate the weight of a steel round bar based on its length and volume, you need to know the density of the steel. The density represents the amount of mass per unit volume of the material. The formula to calculate the weight is: Weight = Volume × Density First, you need to calculate the volume of the steel round bar. The volume of a cylinder (which is the shape of a round bar) is given by the formula: Volume = π × (Radius)^2 × Length Where π is a mathematical constant approximately equal to 3.14, and Radius is the radius of the round bar. Once you have the volume, you can multiply it by the density of the steel to find the weight. The density of steel can vary depending on the specific type of steel being used. For example, the density of mild steel is around 7850 kg/m³. Therefore, the weight of the steel round bar is calculated as: Weight = Volume × Density For example, let's say we have a steel round bar with a length of 1 meter and a radius of 0.5 meters. To calculate the weight, we need to find the volume first: Volume = π × (0.5)^2 × 1 Volume = 0.7854 m³ Next, we multiply the volume by the density of steel: Weight = 0.7854 m³ × 7850 kg/m³ Weight = 6171.79 kg So, the weight of the steel round bar would be approximately 6171.79 kg.

Q: What are the different shapes available in steel round bars?: There are several different shapes available in steel round bars, including round, square, hexagonal, and octagonal.

Q: What are the safety precautions when handling steel round bars?: To minimize the chance of accidents or injuries, it is important to adhere to several safety precautions when dealing with steel round bars. 1. Personal Protective Equipment (PPE) should always be worn. Safety goggles, gloves, steel-toed boots, and a hard hat are essential in safeguarding against potential hazards like flying debris, sharp edges, and heavy objects. 2. Proper lifting and carrying techniques are crucial. Due to the weight and bulkiness of steel round bars, it is vital to employ correct lifting methods to prevent strain or injury. Lift with your legs, maintain a straight back, and avoid twisting or jerking movements. If the bars are too heavy, seek assistance or employ mechanical aids like forklifts or cranes. 3. Ensure secure storage and stacking. Properly securing and organizing steel round bars when storing or stacking them is imperative. Use appropriate storage racks or A-frames to prevent tipping or falling, which could result in severe injuries. When stacking multiple bars, employ spacers or shims to maintain stability. 4. Be cautious of sharp edges. Steel round bars might possess sharp edges or burrs, necessitating care when handling. Wearing gloves is advised to protect your hands, and avoid dragging or sliding the bars to prevent cuts or abrasions. 5. Employ proper handling techniques. Maintain a firm grip when moving steel round bars and be aware of your surroundings. Do not swing or throw the bars, as they may strike someone or cause damage. Instead, walk slowly and steadily, ensuring clear pathways and ample space for maneuvering. 6. Inspect for defects. Prior to using steel round bars, examine them for any defects or damage that could compromise their structural integrity. Look for cracks, dents, or deformities. If any issues are detected, refrain from using the bars and report them to a supervisor or quality control personnel. 7. Observe fire safety measures. Steel round bars are highly flammable when exposed to extreme heat or sparks. Hence, avoid working near open flames or hot work areas. Keep fire extinguishers nearby and ensure that everyone is trained in fire safety protocols. By adhering to these safety precautions, the risks associated with handling steel round bars can be significantly minimized, creating a safer work environment.

Q: How do you calculate the length of a steel round bar?: In order to determine the length of a steel round bar, it is necessary to measure its diameter and employ a basic formula that involves the diameter and the mathematical constant pi (π). To begin, utilize a caliper or measuring tape to measure the diameter of the steel round bar at its widest point. It is important to ensure an accurate outcome by measuring across the center of the bar. Once the diameter has been obtained, the circumference of the round bar can be calculated by multiplying the diameter by pi (π). The formula for calculating the circumference is: Circumference = π × Diameter Lastly, to ascertain the length of the round bar, one must either be aware of the number of complete rotations it makes or measure the distance it covers. If the number of rotations is known, multiply the circumference by the number of rotations. If measuring the distance covered, simply utilize the measured distance as the length of the round bar.

Q: Are steel round bars suitable for the production of springs?: Yes, steel round bars are suitable for the production of springs. Steel round bars are commonly used in the manufacturing of springs due to their high strength, durability, and ability to withstand heavy loads and repeated stress. They provide the necessary rigidity and flexibility required for effective spring functioning. Additionally, steel round bars can be easily shaped and manipulated into various spring designs, making them a preferred choice in the production of springs.

Q: What are the advantages of using nickel-alloy steel round bars?: There are several advantages of using nickel-alloy steel round bars. Firstly, nickel-alloy steel has excellent corrosion resistance, making it suitable for use in harsh environments or applications where the material is exposed to corrosive elements. Secondly, nickel-alloy steel possesses high temperature strength and resistance to thermal expansion, making it ideal for use in high-temperature applications such as aerospace or power generation. Additionally, nickel-alloy steel offers good mechanical properties, including high tensile strength and toughness, which make it suitable for demanding applications that require strength and durability. Overall, the use of nickel-alloy steel round bars provides a combination of corrosion resistance, high-temperature strength, and mechanical properties, making it a versatile and reliable material choice in various industries.

Q: Are steel round bars suitable for automotive applications?: Yes, steel round bars are commonly used in automotive applications due to their high strength, durability, and versatility. They are often used to manufacture components such as axles, crankshafts, and suspension systems, as they provide the necessary strength and support required for these critical automotive parts.

Q: What are the different types of steel round bar alloys for improved corrosion resistance?: There are several different types of steel round bar alloys that offer improved corrosion resistance. Some common examples include stainless steel alloys such as 304, 316, and 410, which contain chromium and nickel to create a protective layer against corrosion. Additionally, weathering steel alloys like ASTM A588 and A709 are known for their ability to develop a rust-like appearance that acts as a protective barrier. Other options include duplex stainless steels, which combine the benefits of austenitic and ferritic alloys, and high-alloy steels like Inconel and Hastelloy, which are highly resistant to corrosion in extreme environments.

Q: What are the different types of steel round bar surface treatments?: There are several different types of surface treatments that can be applied to steel round bars to enhance their appearance, durability, and resistance to corrosion. Some of the most common surface treatments include: 1. Hot-dip galvanizing: This process involves immersing the steel round bar in a bath of molten zinc to create a protective zinc coating. This coating helps to prevent rust and corrosion, making it ideal for outdoor applications. 2. Electroplating: Electroplating involves coating the steel round bar with a layer of another metal, such as chrome or nickel. This not only enhances the appearance of the bar but also improves its resistance to corrosion. 3. Powder coating: In this process, a dry powder is applied to the surface of the steel round bar electrostatically and then cured under heat. This creates a hard, durable, and attractive finish that is resistant to chipping, scratching, and fading. 4. Passivation: Passivation is a chemical process that removes impurities from the surface of the steel round bar, leaving behind a clean and corrosion-resistant layer. This treatment is commonly used for stainless steel bars to enhance their resistance to rust. 5. Black oxide coating: Black oxide coating is a conversion coating that forms a thin layer of black iron oxide on the surface of the steel round bar. This treatment provides mild corrosion resistance and also gives the bar a sleek black appearance. 6. Shot blasting: Shot blasting involves propelling abrasive materials at high speeds onto the surface of the steel round bar to remove any impurities or scale. This treatment not only improves the appearance but also creates a roughened surface that promotes better adhesion of coatings. 7. Acid pickling: Acid pickling is a process that removes scale and impurities from the surface of the steel round bar by immersing it in an acid bath. This treatment leaves the surface clean and free from any contaminants. These are just a few examples of the various surface treatments available for steel round bars. The choice of treatment depends on factors such as the intended use of the bar, the desired appearance, and the level of corrosion resistance required.

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