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 different types of carbon steel round bars?: There are several different types of carbon steel round bars, including low carbon steel, medium carbon steel, and high carbon steel. Each type has varying levels of carbon content, which determines its strength and hardness. Low carbon steel round bars have the lowest carbon content and are more easily welded and formed. Medium carbon steel round bars have a higher carbon content and are stronger and more durable, making them suitable for applications that require higher strength. High carbon steel round bars have the highest carbon content and are extremely strong and hard, making them ideal for applications that require maximum strength and wear resistance.

Q:Is there a standard for the grounding of pumping units and the length of the length of the angle steel or round steel?: Yes, the length of the grounding body must not be less than 2.5 meters.

Q:Can steel round bars be used for making punches and dies?: Yes, steel round bars can be used for making punches and dies. Steel round bars are commonly used in tool and die making due to their high strength and durability. They can be machined or forged into the desired shape and then hardened to ensure a long lifespan and resistance to wear and deformation. The hardness and toughness of steel round bars make them ideal materials for withstanding the high forces and pressures involved in punching and shaping various materials. Additionally, steel round bars are readily available in various sizes and grades, making them a cost-effective choice for making punches and dies.

Q:What are the different types of steel round bar surface coatings?: There are several different types of steel round bar surface coatings that are commonly used to enhance the performance and durability of the steel. These coatings provide a protective layer to prevent corrosion and improve the overall appearance of the steel round bar. Some of the most common types of steel round bar surface coatings include: 1. Galvanized Coating: This coating involves applying a layer of zinc to the steel round bar. It provides excellent corrosion resistance and is commonly used in outdoor applications where the steel is exposed to moisture and other harsh environmental conditions. 2. Powder Coating: Powder coating involves applying a dry powder to the steel round bar and then curing it under heat. This coating provides a durable and attractive finish, which is resistant to chipping, scratching, and fading. Powder coating is available in a wide range of colors and textures, making it a popular choice for decorative applications. 3. Epoxy Coating: Epoxy coating is a type of thermosetting polymer that is applied as a liquid and then cured to form a protective layer. It provides excellent corrosion resistance and chemical resistance, making it suitable for applications in harsh environments. Epoxy coatings are commonly used in industries such as oil and gas, marine, and chemical processing. 4. Chrome Plating: Chrome plating involves electroplating a layer of chromium onto the steel round bar. This coating provides a high level of corrosion resistance and enhances the appearance of the steel. Chrome plating is commonly used in applications where both corrosion protection and aesthetics are important, such as automotive parts and decorative hardware. 5. Nickel Plating: Nickel plating is similar to chrome plating but involves electroplating a layer of nickel onto the steel round bar. This coating provides excellent corrosion resistance and is commonly used in applications where the steel is exposed to harsh chemicals or extreme temperatures. These are just a few examples of the different types of steel round bar surface coatings available. The choice of coating depends on the specific requirements of the application, including the level of corrosion resistance, chemical resistance, and aesthetic appeal needed. It is important to select the appropriate coating based on the intended use of the steel round bar to ensure optimal performance and longevity.

Q:Can steel round bars be used in the manufacturing of shafts?: Yes, steel round bars can be used in the manufacturing of shafts. Steel round bars are often used as raw materials for shaft manufacturing due to their high strength, durability, and excellent mechanical properties. The round shape of the bar allows for easier machining and forming processes, making it suitable for creating shafts of various sizes and lengths. Additionally, steel round bars can be heat treated to enhance their hardness, strength, and wear resistance, further improving their suitability for shaft applications.

Q:What are the different types of steel round bars used in the manufacturing of gears?: There are several different types of steel round bars that are commonly used in the manufacturing of gears. These include: 1. Carbon steel round bars: Carbon steel is one of the most commonly used materials in gear manufacturing. It offers good strength, wear resistance, and durability, making it suitable for a wide range of gear applications. 2. Alloy steel round bars: Alloy steel is a type of steel that contains additional alloying elements such as chromium, nickel, or molybdenum. These elements enhance the mechanical properties of the steel, including its strength, toughness, and resistance to wear and fatigue. Alloy steel round bars are often used in high-performance gears that require superior strength and durability. 3. Stainless steel round bars: Stainless steel is known for its corrosion resistance and high strength-to-weight ratio. It is often used in gear manufacturing applications where resistance to rust and corrosion is important, such as in marine or outdoor equipment. 4. Tool steel round bars: Tool steel is a type of high-carbon steel that is specifically designed to be used in cutting tools, molds, and dies. It has excellent hardness, wear resistance, and toughness, making it suitable for the manufacturing of gears that undergo heavy loads and high temperatures. 5. Case-hardened steel round bars: Case hardening is a heat treatment process that creates a hard surface layer on the steel, while maintaining a tough and ductile core. Case-hardened steel round bars are often used in gear manufacturing to provide a wear-resistant surface and improve the overall strength and durability of the gears. The choice of steel round bar for gear manufacturing depends on various factors, such as the specific application, desired mechanical properties, and budget constraints. It is important to select the appropriate type of steel that meets the requirements of the gear in terms of strength, wear resistance, and durability to ensure optimal performance and longevity.

Q:What are the advantages of using nickel-lead alloy steel round bars?: Nickel-lead alloy steel round bars offer numerous benefits: 1. Corrosion resistance is enhanced, making the bars suitable for use in industries dealing with harsh environments or corrosive substances. This ensures durability and reduces the need for frequent replacements. 2. The inclusion of nickel and lead enhances the strength and toughness of the bars, making them highly resistant to deformation, cracking, and wear under high-stress conditions. This allows them to withstand heavy loads and impacts. 3. Machinability is improved, enabling easy cutting, drilling, and shaping during fabrication processes. Efficient chip evacuation and reduced tool wear result in increased productivity and cost-effectiveness in manufacturing. 4. Thermal stability is excellent, making the bars suitable for high-temperature applications or extreme thermal cycling. They can withstand thermal expansion and contraction without significant dimensional changes, ensuring accuracy and structural integrity. 5. The addition of lead contributes to a low coefficient of friction, reducing wear and friction between the bars and other surfaces. This is valuable in applications where minimal wear and lubrication are crucial. 6. The bars possess good electrical conductivity, making them ideal for applications that require efficient electrical current flow, such as electrical connectors and circuit breakers. In conclusion, nickel-lead alloy steel round bars offer enhanced corrosion resistance, superior strength, improved machinability, thermal stability, low friction coefficient, and good electrical conductivity. These properties make them an excellent choice for various industries and applications.

Q:Why is round steel more expensive than thread steel?: Thread steel is generally used for building convenience. Round steel is widely used in industrial manufacturing and processing. And, as mentioned above, there are many kinds of round steel materials, and there is not much comparability between the prices.

Q:Are steel round bars available in different surface finishes?: Yes, steel round bars are available in different surface finishes. The surface finish of a steel round bar refers to the treatment or coating applied to the surface to enhance its appearance, protect it from corrosion, or improve its performance in specific applications. Common surface finishes for steel round bars include polished, brushed, mill finish, galvanized, and coated with materials like chrome, nickel, or zinc. These different surface finishes cater to various requirements and preferences in terms of aesthetics, protection against corrosion, and functionality in different industries and applications.

Q:What are the chemical composition requirements for steel round bars?: The chemical composition requirements for steel round bars generally include a specific range of elements such as carbon, manganese, phosphorus, sulfur, silicon, and sometimes additional elements like chromium, nickel, and molybdenum. These requirements are defined by various international standards and specifications, ensuring the desired mechanical properties and performance of the steel.

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