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 is the difference between a turned and a polished steel round bar?: A turned steel round bar is machined to achieve a specific diameter and surface finish, while a polished steel round bar undergoes additional processing to enhance its surface smoothness and appearance.

Q:How do you calculate the weight of a steel round bar based on its density and dimensions?: To calculate the weight of a steel round bar, you need to multiply its density by its volume. The volume of a round bar can be calculated using the formula V = πr^2h, where r is the radius and h is the height. Once you have the volume, simply multiply it by the density of the steel to get the weight.

Q:Can steel round bars be used in the manufacturing of office furniture?: Yes, steel round bars can be used in the manufacturing of office furniture. Steel is a versatile and durable material that can be shaped into various forms, including round bars. These round bars can be used as structural components in office furniture, such as table legs, chair frames, or support beams. Steel round bars provide strength and stability to the furniture, making it suitable for heavy use in office environments. Additionally, steel can be finished in different ways, such as powder coating or chrome plating, to enhance its appearance and match the aesthetic of the office space. Overall, using steel round bars in the manufacturing of office furniture offers durability, stability, and a modern look.

Q:What are the different types of steel round bar alloys used in the marine industry?: Some of the different types of steel round bar alloys used in the marine industry include stainless steel, carbon steel, alloy steel, and duplex steel. These alloys are chosen for their corrosion resistance, strength, and durability in harsh marine environments.

Q:What is the yield strength of a steel round bar?: When considering the design or selection of materials for structural applications, it is crucial to take into account the yield strength of a steel round bar. The yield strength refers to the stress or force that the bar can withstand before it undergoes deformation or permanent shape change. The specific grade or type of steel being utilized can cause variations in the yield strength. For instance, common grades like A36, 1018, and 4140 typically exhibit yield strengths ranging from 36,000 psi to 100,000 psi. However, it is important to bear in mind that factors such as heat treatment, manufacturing processes, and the presence of alloying elements in the steel composition can also impact the yield strength. Therefore, it is highly recommended to consult the material specifications or conduct thorough testing to accurately determine the yield strength of a steel round bar for a given application.

Q:4145H round steel is equivalent to the domestic brand?: 42CrMo steel is ultra high strength steel, high strength and toughness, hardenability is also good, no obvious temper brittleness, after quenching and tempering treatment have high fatigue limit and anti shocksand low temperature impact toughness. The steel is suitable for making large and medium plastic moulds with certain strength and toughness.

Q:What are the different surface hardness options for steel round bars?: Steel round bars can have varying levels of surface hardness depending on the specific requirements and applications. Some of the different surface hardness options for steel round bars include: 1. Soft or annealed: This is the lowest level of surface hardness, where the steel is heated and then slowly cooled to reduce internal stress and increase ductility. Soft or annealed steel is easier to machine and form but has lower strength and wear resistance. 2. Normalized: Normalizing involves heating the steel to a specified temperature and then cooling it in air. This process refines the grain structure and improves the mechanical properties of the steel, resulting in increased hardness compared to annealed steel. 3. Quenched and tempered: This is a heat treatment process that involves heating the steel to a high temperature and then rapidly cooling it in a quenching medium like oil or water. The rapid cooling hardens the surface of the steel, while the subsequent tempering process reduces internal stresses and increases toughness. Quenched and tempered steel round bars have high hardness and strength, making them suitable for applications that require resistance to wear and impact. 4. Induction hardened: Induction hardening is a surface hardening process that involves heating only the surface of the steel round bar using an induction coil. This localized heating is followed by rapid quenching, resulting in a hardened surface layer with increased wear resistance. The core of the steel remains unaffected, retaining its toughness. 5. Case hardened: Case hardening, also known as carburizing, involves introducing carbon into the surface layer of the steel round bar. This is typically done by exposing the steel to a carbon-rich gas or by heating it with a carbon-containing material. The carbon diffuses into the surface and increases the hardness, while the core remains relatively softer. Case hardened steel round bars have a tough core with a wear-resistant surface. These are just a few of the different surface hardness options available for steel round bars. The choice of hardness will depend on the specific application requirements, such as strength, wear resistance, and toughness needed for the intended use.

Q:How do steel round bars perform under vibration or resonance?: Steel round bars generally perform well under vibration or resonance due to their high strength and stiffness. The inherent properties of steel, such as its high modulus of elasticity and low damping characteristics, make it an ideal material for applications that involve vibration or resonance. When subjected to vibration or resonance, steel round bars tend to exhibit minimal deformation or deflection. This is because steel has a high natural frequency, which allows it to resist the excitation caused by external forces or vibrations. The high stiffness of steel also helps in maintaining its shape and integrity under these conditions. Furthermore, steel round bars have good fatigue resistance, which means they can withstand repeated loading and unloading cycles without significant degradation in performance. This is especially important in applications where the material is subjected to cyclic loading or vibrations over an extended period. However, it is worth noting that the performance of steel round bars under vibration or resonance can be influenced by factors such as the design of the structure, the applied loads, and the frequency and amplitude of the vibrations. In some cases, additional measures, such as damping materials or isolation systems, may need to be implemented to mitigate the effects of vibration or resonance on steel round bars. Overall, steel round bars are known for their excellent performance under vibration or resonance, making them a popular choice in various industries, including construction, automotive, and aerospace. Their high strength, stiffness, and fatigue resistance make them reliable and durable materials for applications that involve dynamic loads or vibrations.

Q:Can steel round bars be used in the manufacturing of lighting fixtures?: Yes, steel round bars can be used in the manufacturing of lighting fixtures. Steel is a versatile material that offers strength, durability, and a sleek appearance, making it suitable for various applications, including lighting fixtures. Steel round bars can be shaped, cut, and welded to create different components of lighting fixtures, such as frames, bases, or decorative elements. Additionally, steel can be finished with various coatings or finishes to enhance its aesthetic appeal and protect it from corrosion.

Q:Can steel round bars be used for making propeller shafts?: Yes, steel round bars can be used for making propeller shafts. Steel is a commonly used material for propeller shafts due to its strength, durability, and resistance to corrosion. Round bars, in particular, are often chosen for their shape, which provides optimal strength and load-bearing capabilities. The selection of steel grade and specific properties will depend on the requirements of the propeller shaft, such as the desired length, diameter, and torque capacity. Additionally, other factors like cost, weight, and manufacturability may also influence the choice of steel round bars for propeller shafts.

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