Hot Rolled Structure Steel Angle Bar Angle Steel JIS Standard GB Standard
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 m.t./month
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Product Description:
Specifications of Hot Rolled Angle Steel
1.Standards:GB,ASTM,BS,AISI,DIN,JIS
2. Invoicing on theoretical weight or actual weight as customer request3.Material:GBQ235B,Q345BorEquivalent;ASTMA36;EN10025,S235JR,S355JR;JISG3192,SS400;SS540.
4. Payment terms:
1).100% irrevocable L/C at sight.
2).30% T/T prepaid and the balance against the copy of B/L.
3).30% T/T prepaid and the balance against L/C
5.Sizes:
EQUAL ANGLES SIZES | |||
a(mm) | a1(mm) | thickness(mm) | length |
25 | 25 | 2.5---3.0 | 6M/12M |
30 | 30 | 2.5---4.0 | 6M/12M |
38 | 38 | 2.5 | 6M/12M |
38 | 38 | 3.0---5.0 | 6M/12M |
40 | 40 | 3.0---6.0 | 6M/12M |
50 | 50 | 3 | 6M/12M |
50 | 50 | 3.7---6.0 | 6M/9M/12M |
60 | 60 | 5.0---6.0 | 6M/9M/12M |
63 | 63 | 6.0---8.0 | 6M/9M/12M |
65 | 65 | 5.0---8.0 | 6M/9M/12M |
70 | 70 | 6.0---7.0 | 6M/9M/12M |
75 | 75 | 5.0---10.0 | 6M/9M/12M |
80 | 80 | 6.0---10.0 | 6M/9M/12M |
90 | 90 | 6.0---10.0 | 6M/9M/12M |
100 | 100 | 6.0---12.0 | 6M/9M/12M |
120 | 120 | 8.0-12.0 | 6M/9M/12M |
125 | 125 | 8.0---12.0 | 6M/9M/12M |
130 | 130 | 9.0-12.0 | 6M/9M/12M |
140 | 140 | 10.0-16.0 | 6M/9M/12M |
150 | 150 | 10---15 | 6M/9M/12M |
160 | 160 | 10---16 | 6M/9M/12M |
180 | 180 | 12---18 | 6M/9M/12M |
200 | 200 | 14---20 | 6M/9M/12M |
5. Material details:
Alloy No | Grade | Element (%) | |||||
C | Mn | S | P | Si | |||
Q235 | B | 0.12—0.20 | 0.3—0.7 | ≤0.045 | ≤0.045 | ≤0.3 | |
Alloy No | Grade | Yielding strength point( Mpa) | |||||
Thickness (mm) | |||||||
≤16 | ＞16--40 | ＞40--60 | ＞60--100 | ||||
≥ | |||||||
Q235 | B | 235 | 225 | 215 | 205 | ||
Alloy No | Grade | Tensile strength (Mpa) | Elongation after fracture (%) | ||||
Thickness (mm) | |||||||
≤16 | ＞16--40 | ＞40--60 | ＞60--100 | ||||
≥ | |||||||
Q235 | B | 375--500 | 26 | 25 | 24 | 23 | |
Packaging & Delivery of Equal Steel Angle
1.Transportation: the goods are delivered by truck from mill to loading port, the maximum quantity can be loaded is around 40MTs by each truck. If the order quantity cannot reach the full truck loaded, the transportation cost per ton will be little higher than full load.
2.With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.
3. Marks:
Color mark: There will be color marking on both end of the bundle for the cargo delivered by bulk vessel. That makes it easily to distinguish at the destination port.
Tag mark: There will be tag mark tied up on the bundles. The information usually including supplier logo and name, product name, made in China, shipping marks and other information request by the customer.
If loading by container the marking is not needed, but we will prepare it as customer request.
- Q:Can steel angles be used in high-temperature applications?
- Steel angles can be used in high-temperature applications depending on the specific alloy and the temperature range. Steel alloys that have been specifically designed for high-temperature applications, such as stainless steels or heat-resistant alloys, can withstand elevated temperatures without significant loss in strength or structural integrity. These alloys often contain elements like chromium, nickel, or molybdenum, which increase their resistance to corrosion, oxidation, and high temperatures. However, it is important to note that not all steel angles are suitable for high-temperature applications. Ordinary carbon steels, for example, have a limited temperature range before they start to lose strength and become susceptible to deformation or failure. The exact temperature limit for a specific steel angle will depend on factors such as the alloy composition, heat treatment, and the duration of exposure to high temperatures. In summary, steel angles can be used in high-temperature applications if they are made from appropriate alloys that are specifically designed for such conditions. It is crucial to consult with materials engineers or experts who can provide guidance on the suitable steel alloys and temperature limits for a given application to ensure safe and reliable performance.
- Q:How do steel angles compare to other structural materials, such as wood or concrete?
- Steel angles have several advantages over other structural materials such as wood or concrete. Firstly, steel angles have a higher strength-to-weight ratio compared to wood or concrete. This means that steel angles can carry heavier loads while being lighter in weight. This advantage is particularly important in construction projects where weight restrictions need to be considered. Secondly, steel angles have excellent durability and resilience. Unlike wood, steel angles are not susceptible to rot, decay, or insect damage. They are also highly resistant to fire, which makes them a safer choice for structural applications. Concrete, on the other hand, is prone to cracking and deteriorating over time, whereas steel angles provide long-lasting structural integrity. Additionally, steel angles offer greater versatility in design and construction. They can be easily shaped and fabricated to fit specific project requirements, allowing for more efficient use of materials. Steel angles are also highly flexible, which makes them suitable for various applications, including beams, columns, trusses, and frames. Moreover, steel angles have excellent recyclability. They can be easily melted down and reused, reducing the environmental impact and promoting sustainability. In contrast, wood and concrete are not as easily recyclable, often resulting in waste during demolition or renovation projects. Lastly, steel angles offer cost-effectiveness in the long run. While the initial cost of steel may be higher than wood or concrete, the durability and low maintenance requirements of steel angles make them a more economical choice over time. With minimal repairs and a longer lifespan, steel angles can save on maintenance and replacement costs in the future. In conclusion, steel angles have numerous advantages over other structural materials like wood or concrete. Their higher strength-to-weight ratio, durability, versatility, recyclability, and cost-effectiveness make them an excellent choice for a wide range of construction projects.
- Q:Can steel angles be used in outdoor or exposed environments?
- Yes, steel angles can be used in outdoor or exposed environments. Steel angles are often made of galvanized steel, which is coated with a protective layer of zinc to prevent rusting. This makes them highly resistant to corrosion and suitable for outdoor applications. Additionally, steel angles are known for their strength and durability, making them a reliable choice for various outdoor structures, such as fences, railings, and supports. However, it is important to note that regular maintenance and inspection may be required to ensure the ongoing integrity and performance of steel angles in outdoor or exposed environments.
- Q:What are the different types of steel angles connections for mezzanine floors?
- Mezzanine floors can utilize various steel angle connections to achieve structural stability and support. These connections are crucial for safely accommodating intended loads and usage. 1. Bolted Connections: Mezzanine floors commonly employ bolted connections due to their strength and security. By using bolts, the steel angles are attached to create a rigid and stable framework. If necessary, bolted connections can be easily adjusted or disassembled. 2. Welded Connections: To achieve maximum stability, welded connections join the steel angles using welding techniques. This type of connection provides a permanent and robust bond between the angles. Welded connections are often preferred for heavy-duty mezzanine floors with high load-bearing requirements. 3. Clip Connections: Clip connections are a popular choice for mezzanine floors due to their ease of installation and flexibility. Metal clips or brackets secure the steel angles together in this connection type. Adjusting or disassembling clip connections is simple, allowing for future modifications or reconfigurations of the mezzanine floor layout. 4. Gusset Plate Connections: To reinforce the joint between steel angles, gusset plate connections utilize additional steel plates known as gusset plates. These plates are typically welded or bolted to the angles, adding strength and stability to the connection. Gusset plate connections are commonly used when extra reinforcement is required for mezzanine floors. 5. Cleat Connections: Cleat connections involve using a cleat plate to connect two steel angles. One angle is attached to the cleat plate, while the other angle is bolted or welded to the plate. This connection type provides a strong and secure joint, especially for heavy-duty mezzanine floors. Compliance with local building codes and regulations is crucial when selecting steel angle connections for mezzanine floors. Consulting a structural engineer or a professional with expertise in mezzanine floor construction is recommended to ensure correct design and installation of connections for optimal safety and performance.
- Q:How do you protect steel angles from weathering?
- There are various effective methods available for protecting steel angles from weathering. The primary approach involves the application of a specially designed coating or paint that is intended for steel surfaces. This coating acts as a barrier, preventing direct contact between moisture, oxygen, and the steel, thereby reducing the likelihood of rust formation. It is crucial to select a weather-resistant coating that offers long-term durability. Before applying the protective coating, it is essential to thoroughly clean the steel angles to eliminate any dirt, grease, or existing rust. This can be accomplished through abrasive cleaning techniques such as sandblasting or by using a wire brush. Once the cleaning process is complete, the surface should be primed with a corrosion-resistant primer, which improves the adhesion of the protective coating. Regular maintenance is also vital to ensure the continuous protection of steel angles from weathering. This involves periodically inspecting the coating for any signs of damage or wear and promptly addressing any issues that arise. Touching up areas where the coating has been compromised is necessary to maintain the integrity of the protective layer. In addition, proper design and installation techniques can contribute to protecting steel angles from weathering. It is crucial to ensure that the angles are adequately sealed and shielded from direct exposure to rain, snow, or other sources of moisture. This can be achieved by implementing appropriate drainage systems, such as gutters or downspouts, to redirect water away from the steel angles. Lastly, considering alternative materials or coatings that possess inherent resistance to weathering, such as stainless steel or galvanized steel, can provide an additional layer of protection against environmental elements. These materials have higher corrosion resistance and are more suitable for outdoor applications where weathering is a concern. By implementing a combination of protective coatings, regular maintenance, proper design, and the utilization of weather-resistant materials, steel angles can be effectively safeguarded from weathering while maintaining their structural integrity over an extended period.
- Q:Are steel angles available in different alloys?
- Different alloys are available for steel angles, providing a wide range of options. Typically, steel angles are made from carbon steel, which is a versatile and common type of steel. However, specific applications may call for other alloys. For instance, stainless steel angles are made from an alloy containing chromium, offering increased resistance to corrosion. In addition, high-strength low-alloy (HSLA) steel angles combine carbon steel with small amounts of elements like manganese, phosphorus, or sulfur to enhance strength and durability. This variety of alloys allows for a diverse range of applications and properties to meet specific needs across various industries.
- Q:What is the difference between equal and unequal steel angles?
- Structural steel components commonly used in construction and industrial applications include equal and unequal steel angles. The dimensions and properties of these angles are what set them apart. Equal steel angles, also known as L-shaped angles, have sides and angles that are the same. They are frequently employed to provide support and stability in various structures like buildings, bridges, and machinery. The symmetrical load distribution and balanced strength in all directions make them perfect for applications requiring equal support on both sides. In contrast, unequal steel angles have sides and angles that differ. These angles are used when there is a need for uneven load distribution or a specific angle for a particular job. The longer side of the angle typically carries the load, while the shorter side can provide additional support or serve as a connection point. Unequal angles are commonly used in constructing frames, brackets, and supports where uneven load distribution is expected. Both equal and unequal steel angles are made from carbon steel, which offers good strength and durability. They can be either hot-rolled or cold-formed, depending on the manufacturing process. Hot-rolled angles are produced at high temperatures, resulting in a rough surface finish but improved mechanical properties. On the other hand, cold-formed angles are shaped and bent at room temperature, resulting in a smoother surface finish but slightly lower mechanical properties. In conclusion, the main distinction between equal and unequal steel angles lies in their dimensions and load distribution abilities. Equal angles have identical sides and are used for symmetrical load distribution, while unequal angles have different side lengths and are used for uneven load distribution or specific angle requirements. Both types of angles are made from carbon steel and find common usage in construction and industrial applications.
- Q:Are there any environmental concerns related to the production or disposal of steel angles?
- Yes, there are environmental concerns related to the production and disposal of steel angles. The production of steel angles involves energy-intensive processes that contribute to greenhouse gas emissions and air pollution. Moreover, the extraction of raw materials for steel production can lead to habitat destruction and ecosystem disruption. Additionally, if steel angles are not properly disposed of, they can contribute to waste accumulation and potential environmental contamination.
- Q:How do steel angles perform under vibration or resonance conditions?
- Steel angles are generally stable and perform well under vibration or resonance conditions. Due to their rigid structure and strong material properties, steel angles have a high resistance to vibrations and can effectively dampen resonance effects. This makes them suitable for various applications where stability and durability are required, such as in construction and engineering projects.
- Q:How are steel angles protected against atmospheric corrosion?
- There are various methods available to protect steel angles from atmospheric corrosion. One commonly used method is the application of a protective coating, such as paint, on the surface of the steel angles. This coating acts as a barrier, preventing direct contact between the steel and moisture or oxygen, which are the main causes of corrosion. Another method of protection is galvanization. Galvanization involves coating the steel angles with a layer of zinc, either through hot-dip galvanization or electroplating. The zinc acts as a sacrificial layer, corroding instead of the steel. This sacrificial corrosion process helps safeguard the steel angles from atmospheric corrosion. Apart from coatings, inhibitors can also be used to protect steel angles. Inhibitors are substances that can be added to the environment or applied directly to the steel surface to slow down or prevent corrosion. These inhibitors work by forming a protective film on the steel surface or by altering the chemical environment to reduce corrosion. Regular maintenance and inspection are crucial in protecting steel angles against atmospheric corrosion. This includes cleaning the surface of the steel angles to remove any dirt or debris that can trap moisture and speed up corrosion. It is also important to promptly repair any damaged or deteriorated coatings to ensure continuous protection against corrosion. In conclusion, a combination of protective coatings, galvanization, inhibitors, and regular maintenance is necessary to effectively shield steel angles from atmospheric corrosion and prolong their lifespan.
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Hot Rolled Structure Steel Angle Bar Angle Steel JIS Standard GB Standard
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 30000 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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