Mild Hot Rolled Steel Square Bars for Structure

Mild Hot Rolled Steel Square Bars for Structure System 1

Mild Hot Rolled Steel Square Bars for Structure

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: 25 m.t.

Supply Capability:: 200000 m.t./month

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Product Description:

OKorder is offering Mild Hot Rolled Steel Square Bars for Structure at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.

Product Applications:

-The Mild Hot Rolled Steel Square Bars for Structure is normally used as structure steel.

-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…

Product Advantages:

OKorder's Mild Hot Rolled Steel Square Bars for Structure are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Description:

Length of a side(a, mm)	Theoretical weight(kg/m)	Length of a side(a, mm)	Theoretical weight(kg/m)
6	0.283	32	8.04
7	0.385	＊33	8.55
8	0.502	34	9.07
9	0.636	＊35	9.62
10	0.785	36	10.17
11	0.950	38	11.24
12	1.13	40	12.56
13	1.33	42	13.85
14	1.54	45	15.90
15	1.77	48	18.09
16	2.01	50	19.63
17	2.27	53	22.05
18	2.54	＊55	23.6
19	2.82	56	24.61
20	3.14	＊58	26.4
21	3.46	60	28.26
22	3.80	63	31.16
＊23	4.15	＊65	33.17
24	4.52	＊68	36.3
25	4.91	79	38.49
26	5.30	75	44.16
＊27	5.72	80	50.24
28	6.15	85	56.72
＊29	6.60	90	63.59
30	7.06	95	70.85
＊31	7.54	100	78.50

Notes:

1, The theoretical weights in the list, base on the density of 7.85 g/cm3.

2, The numbers with ＊mean that they are not regulars or we don’t offer them.

-The allowed tolerance of Square Steel:

Length of a side(mm)	Allowed Tolerance
Length of a side(mm)	Group1	Group2	Group3
5.5～7	±0.20	±0.30	±0.40
7～20	±0.25	±0.35	±0.40
20～30	±0.30	±0.40	±0.50
30～50	±0.40	±0.50	±0.60
60～80	±0.60	±0.70	±0.80
80～110	±0.90	±1.0	±1.1
110～150	±1.2	±1.3	±1.1
150～190	――	――	±2.0
190～250	――	――	±2.5

Packaging & Delivery of Mild Hot Rolled Steel Square Bars for Structure:

-Packing Detail: The products can be packed in bundles by steel wires.

-Marks:

1, Tag marks: the tag marks will be tied up to each bundle of the products. The information is usually including supplier’s logo and name, product name, made in China, products’ specifications, the painted color and other information requested by customers.

2, Color marks: we will paint both ends of the bundles of these products to make sure that they are more evident. It’s will be more convenient for the customers to distinguish them at the destination port.

-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.

Transportation:

-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.

-The maximum quantity of loading of container is 25 tons.

-The products usually are transported to the nearest port from the production place.

Mild Hot Rolled Steel Square Bars for Structure

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: Can fit in the containers of 20fts the steel beams of 6M?

A2: No proble, we can put them into the containers in the form sideling.

Q3: The products are invoicing on theoritical weight or on actual weight?

A3: We can do it in both manners, according to the customers' request.

Q: What are the safety precautions to be taken while handling steel round bars?: When handling steel round bars, it is important to follow safety precautions to prevent accidents or injuries. Some key safety measures to take include wearing personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential hazards. Additionally, ensure proper lifting techniques are used when moving or transporting the bars to prevent strain or back injuries. It is crucial to store the round bars in a designated area, away from walkways or other potential obstructions, to avoid tripping or falling hazards. Regularly inspect the bars for any damage or defects that may compromise their structural integrity. Lastly, always follow established safety protocols and guidelines provided by the manufacturer or employer to promote a safe working environment.

Q: Can steel round bars be used for making transmission towers?: Certainly, transmission towers can be constructed using steel round bars. The construction industry frequently utilizes steel round bars owing to their robustness, longevity, and adaptability. Transmission towers necessitate materials capable of enduring harsh weather conditions, accommodating hefty loads, and ensuring structural steadiness. Steel round bars effectively fulfill these criteria, rendering them a fitting option for erecting transmission towers. Moreover, steel round bars can be effortlessly fabricated and welded, permitting the swift and efficient construction and installation of transmission towers.

Q: How to distinguish a round bar from forging? Cold drawing? Hot rolling?: Hot rolled round steel, used in construction and general hardware parts processing is very common. Cold drawn round steel (do not know is not cold dial round bar). But I understand by the cold dial round bar Also mainly used in hardware parts processing and production. Such as hinge shaft core or other surface and diameter requirements of production and processing occasions.

Q: What are the different grades of heat-treated steel round bars?: There exists a variety of heat-treated steel round bars with distinct properties and characteristics. Among the commonly used grades are: 1. 4140: Renowned for its high strength and toughness, this grade of heat-treated steel round bar possesses exceptional wear resistance and good machinability. It can undergo easy heat treatment to enhance its hardness and strength. 2. 4340: Heat-treated steel round bars belonging to this grade are recognized for their high tensile strength, toughness, and resistance to fatigue. They find extensive use in industries like aerospace and automotive, which demand superior strength and durability. 3. 8620: Characterized by its case hardening properties, this grade of heat-treated steel round bar exhibits good core strength, excellent toughness, and is frequently employed in applications requiring high wear resistance, such as gears, shafts, and pins. 4. 52100: Widely utilized in bearing applications, heat-treated steel round bars of this grade offer exceptional hardness, wear resistance, and high fatigue strength. They are specially designed to withstand heavy loads and provide long-lasting performance. 5. 1045: Recognized for its medium carbon content, this grade of heat-treated steel round bar provides good strength and impact resistance. It is commonly employed in applications that necessitate moderate strength and toughness, such as shafts, axles, and machinery parts. These examples represent only a fraction of the diverse grades of heat-treated steel round bars available in the market. The choice of grade depends on specific requirements like strength, hardness, toughness, and wear resistance. Seeking guidance from a knowledgeable professional is essential to determine the most suitable grade for one's particular needs.

Q: Can steel round bars be used in the aerospace manufacturing industry?: The aerospace manufacturing industry can indeed utilize steel round bars. In various aerospace applications like structural components, landing gear, engine components, and fasteners, steel round bars are a common choice. The reason behind this is the commendable strength and durability of steel, which makes it highly suitable for critical aerospace applications. Moreover, steel round bars can be conveniently machined and shaped into intricate forms, offering customization and precise engineering solutions in the aerospace sector. Furthermore, steel's ability to resist corrosion and withstand extreme temperatures enhances its reliability in aerospace manufacturing. Ultimately, due to their strength, durability, machinability, and corrosion resistance, steel round bars emerge as a versatile and extensively employed material in the aerospace industry.

Q: What is the maximum temperature a steel round bar can withstand?: The maximum temperature a steel round bar can withstand depends on several factors such as the specific type of steel, its composition, and the intended application. Generally, most common grades of steel have a maximum temperature limit of around 1,200 to 1,400 degrees Fahrenheit (650 to 760 degrees Celsius). However, some stainless steels can withstand higher temperatures, reaching up to 2,200 degrees Fahrenheit (1,200 degrees Celsius). Additionally, specialized heat-resistant alloys such as Inconel or Hastelloy can withstand even higher temperatures, up to 2,500 degrees Fahrenheit (1,370 degrees Celsius) or more. It is crucial to consult the manufacturer's specifications or conduct thorough research to determine the precise maximum temperature limit for a specific steel round bar in order to ensure its safe and efficient use.

Q: Can steel round bars be used in the manufacturing of jewelry?: Steel round bars have the potential to be employed in jewelry production. Despite the fact that steel is not as frequently utilized as precious metals such as gold or silver in the creation of jewelry, it can still be employed to craft distinctive pieces with an industrial feel. The utilization of steel round bars imparts a polished and modern appearance, rendering them appropriate for contemporary or minimalist designs. Moreover, steel is renowned for its robustness and sturdiness, guaranteeing that the jewelry will endure the rigors of daily use. Nevertheless, it is worth mentioning that steel may not be suitable for individuals with metal allergies or sensitive skin.

Q: What are the advantages of using nickel-cobalt alloy steel round bars?: One advantage of using nickel-cobalt alloy steel round bars is their exceptional strength and durability. The combination of nickel and cobalt enhances the overall strength of the steel, making it highly resistant to wear, corrosion, and high temperatures. Additionally, these round bars offer excellent fatigue resistance, making them ideal for applications that involve heavy loads and repetitive stress. Furthermore, nickel-cobalt alloy steel round bars exhibit good machinability and weldability, allowing for ease of fabrication and customization. Overall, these advantages make nickel-cobalt alloy steel round bars a reliable choice for demanding industries such as aerospace, automotive, and oil and gas.

Q: Can steel round bars be used in the construction equipment industry?: Yes, steel round bars can be commonly used in the construction equipment industry. They offer excellent strength, durability, and versatility, making them suitable for various applications such as structural components, shafts, axles, and supports in construction equipment. The high tensile strength and resistance to wear and tear make steel round bars an ideal choice for heavy-duty machinery and equipment in the construction industry.

Q: How do you calculate the moment of inertia for a steel round bar?: To calculate the moment of inertia for a steel round bar, you can use the formula for the moment of inertia of a solid cylinder. The moment of inertia, usually denoted as I, represents the resistance of an object to changes in its rotation. The formula for the moment of inertia of a solid cylinder is: I = (1/2) * m * r^2 Where: - I is the moment of inertia - m is the mass of the cylinder - r is the radius of the cylinder To calculate the moment of inertia for a steel round bar, you need to know the mass and the radius of the bar. The mass can be determined by multiplying the density of steel by the volume of the cylinder. The volume of a cylinder is given by the formula: V = π * r^2 * h Where: - V is the volume - r is the radius - h is the height or length of the round bar Once you have the mass and the radius, you can substitute these values into the formula for the moment of inertia to calculate it. Remember to convert the units to be consistent (e.g., if the radius is given in centimeters, convert it to meters). It is important to note that the moment of inertia calculated using this formula assumes that the steel round bar is a solid cylinder. If the bar has a different shape or has hollow sections, you will need to consider those factors in your calculation.

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