alloy angle steel 5#

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Product Description:

Specifications of JIS SS400 Angle Steel

1.Standards:GB,ASTM,BS,AISI,DIN,JIS

2.Invoicing on theoretical weight or actual weight as customer request

3.Material: JIS G3192,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:

JIS SS400 Angle Steel

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 Specifications:

Grade	Yield Strength，N/mm²				Extension Strength N/mm²
	Thickness of Steel,mm
	≦16	＞16-≦40	＞40-≦100	＞100
SS330	≧205	≧195	≧175	≧165	330-430
SS400	≧245	≧235	≧215	≧205	400-510
SS490	≧285	≧275	≧255	≧245	490-610
SS540	≧400	≧390	-	-	≧540

Usage & Applications JIS SS400 Angle Steel

Trusses;

Transmission towers;

Telecommunication towers;

Bracing for general structures;

Stiffeners in structural use.

Packaging & Delivery of JIS SS400 Angle Steel

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.

Production flow of JIS SS400 Angle Steel

Material prepare (billet) —heat up—rough rolling—precision rolling—cooling—packing—storage and transportation

JIS SS400 Angle Steel

Q:Can steel angles be galvanized or coated for additional protection?: Indeed, steel angles can be galvanized or coated to enhance their protection. Galvanization is a widely used technique for safeguarding steel against corrosion. It entails applying a layer of zinc onto the steel, which acts as a barrier against moisture and other corrosive elements. This process can be accomplished through hot-dip galvanization, where the steel angle is immersed in a bath of molten zinc, or through electroplating, which involves applying a thin layer of zinc to the steel surface using an electric current. Furthermore, coating steel angles with alternative protective materials is a viable option. There are several coating choices available, including epoxy, powder coatings, and paint. These coatings establish a protective layer on the steel's surface, shielding it from environmental factors that may cause corrosion or damage. By applying galvanization or coatings to steel angles, additional protection is provided, thereby extending the material's lifespan and ensuring its durability in various applications and environments.

Q:What is the minimum thickness of a steel angle?: The minimum thickness of a steel angle typically depends on the specific application and the structural requirements. However, it is generally recommended to have a minimum thickness of around 1/8 inch (3.175 mm) for standard steel angles.

Q:What are the limitations of using steel angles in highly corrosive or chemical environments?: The limitations of using steel angles in highly corrosive or chemical environments include the risk of accelerated corrosion and degradation of the steel material. Steel angles are susceptible to corrosion when exposed to corrosive substances or environments, which can weaken the structural integrity and durability of the angles over time. Additionally, certain chemicals may react with the steel, leading to chemical corrosion and further deterioration. To mitigate these limitations, alternative corrosion-resistant materials such as stainless steel or non-metallic composites should be considered for use in highly corrosive or chemical environments.

Q:How do you prevent steel angles from vibrating under dynamic loads?: One possible way to prevent steel angles from vibrating under dynamic loads is by using damping techniques. Damping involves adding materials or structures that absorb or dissipate the energy generated by the vibrating steel angles. This can be achieved by attaching damping pads or strips made of viscoelastic materials to the steel angles, which help absorb and dissipate the vibration energy. Another approach is to incorporate dampers such as tuned mass dampers or friction dampers, which are designed to reduce vibrations by adding additional mass or introducing friction forces to counteract the dynamic loads. Proper design and reinforcement of the steel angles can also help to increase their stiffness and reduce the likelihood of vibration.

Q:Can steel angles be used for foundation supports?: Yes, steel angles can be used for foundation supports. Steel angles provide structural support and stability, making them suitable for various construction applications, including foundation supports.

Q:What are the different standards and specifications for steel angles?: Steel angles have various standards and specifications that dictate their physical and mechanical properties. Some commonly used standards are as follows: 1. Carbon structural steel angles are covered by ASTM A36/A36M. This standard provides details on the chemical composition, mechanical properties, and other requirements for carbon steel angles. 2. High-strength carbon-manganese steel angles are specified under ASTM A529/A529M. This standard outlines the composition, mechanical properties, and other specifications for these angles. 3. ASTM A572/A572M covers high-strength low-alloy columbium-vanadium structural steel angles. It provides information on the chemical composition, mechanical properties, and other requirements for these angles. 4. High-strength low-alloy structural steel angles with improved atmospheric corrosion resistance are specified in ASTM A588/A588M. This standard details the chemical composition, mechanical properties, and other characteristics for these angles. 5. For use in bridges, carbon and high-strength low-alloy structural steel angles are covered by ASTM A709/A709M. This standard provides information on the chemical composition, mechanical properties, and other specifications for these angles. 6. EN 10056 is a European standard that specifies tolerances on shape, dimensions, and mass of hot-rolled structural steel equal and unequal angles. It also provides information on the mechanical properties and other requirements for these angles. 7. JIS G3192 is a Japanese standard that specifies dimensions, mass, and permissible variations of hot-rolled steel sections, including angles. It outlines the mechanical properties and other specifications for these angles. These examples demonstrate the diversity of standards and specifications for steel angles. It is crucial to refer to the relevant standard for your specific project or application to ensure that the steel angles meet the required criteria.

Q:What are the tolerance specifications for steel angles?: The tolerance specifications for steel angles can vary depending on the specific standards and requirements set by different organizations and industries. However, in general, the tolerance specifications for steel angles typically include measurements for dimensions such as leg length, thickness, and straightness. Leg length tolerance refers to the allowable deviation from the specified leg length of the angle. This tolerance ensures that the angle's legs are within an acceptable range of the desired measurement. For example, a tolerance specification of ±1/8 inch means that the leg length can deviate by up to 1/8 inch in either direction from the specified dimension. Thickness tolerance indicates the permissible deviation in the thickness of the steel angle. This specification ensures that the thickness is consistent and within an acceptable range. It is typically expressed as a percentage or an absolute value. For instance, a tolerance specification of ±10% means that the thickness can deviate by up to 10% above or below the specified dimension. Straightness tolerance ensures that the steel angle is not bent or twisted and meets the required straightness criteria. It is usually measured by the maximum allowable deviation from the straight line. This tolerance specification guarantees that the angle can be easily fitted and aligned during construction or manufacturing processes. It is important to note that the specific tolerance specifications for steel angles may vary depending on the intended application, industry standards, and regulatory requirements. Therefore, it is recommended to refer to the relevant standards, codes, or specifications provided by the manufacturer, industry associations, or governing bodies for accurate and up-to-date information on the tolerance specifications for steel angles.

Q:How do steel angles contribute to energy-efficient construction?: There are multiple ways in which steel angles play a role in energy-efficient construction. To begin with, steel angles are frequently utilized as structural elements in buildings, particularly for framing walls, roofs, and floors. Their excellent strength-to-weight ratio enables the construction of lighter and more efficient structures. This means that less steel is required to support the building, resulting in reduced overall weight and material usage. Consequently, this leads to a decrease in the energy needed for construction and transportation. Furthermore, steel angles can be easily prefabricated off-site, which allows for quicker construction times and lower labor costs. This not only saves time and money but also reduces energy consumption during the construction process. Moreover, steel is an incredibly durable and long-lasting material, which reduces the necessity for frequent maintenance and repairs. This durability translates into energy savings throughout the building's lifespan, as less energy is required for ongoing maintenance and replacements. Additionally, steel angles can be recycled when they reach the end of their life cycle. This reduces the demand for new materials and minimizes the environmental impact of construction. The recycling process requires less energy compared to the production of new steel, resulting in energy savings and reduced greenhouse gas emissions. Lastly, steel angles can be integrated into energy-efficient building systems, such as insulation, HVAC ductwork, and renewable energy installations. The versatility of steel allows for the creation of systems that optimize energy performance, such as efficient heating and cooling systems or solar panel installations. In conclusion, steel angles contribute to energy-efficient construction through their strength and stability, reduced material usage, faster construction times, minimized maintenance needs, recycling capabilities, and integration with energy-efficient building systems.

Q:What are the load-bearing capacities of different sizes and types of steel angles?: The load-bearing capacities of different sizes and types of steel angles can vary depending on various factors such as the type of steel, size of the angle, and the specific application. Steel angles are commonly used in construction and engineering projects to provide structural support and stability. The load-bearing capacity of a steel angle is primarily determined by its cross-sectional area, which is influenced by the size and thickness of the angle. Larger and thicker steel angles generally have higher load-bearing capacities compared to smaller and thinner angles. The American Institute of Steel Construction (AISC) provides guidelines and tables that specify the allowable loads for various steel angles based on their dimensions and the type of steel used. These tables consider factors such as the angle's shape, length, and the orientation of the load. It is important to note that load-bearing capacities can also be influenced by the specific type of steel used in the angle. Different types of steel, such as carbon steel, stainless steel, or alloy steel, have varying mechanical properties that affect their load-bearing capabilities. For example, stainless steel angles tend to have higher load-bearing capacities and better corrosion resistance compared to carbon steel angles. It is recommended to consult engineering handbooks, structural design codes, or consult with a professional engineer to determine the specific load-bearing capacities of different sizes and types of steel angles for a particular application. These resources provide detailed information and calculations based on industry standards to ensure the safe and efficient use of steel angles in structural designs.

Q:How do steel angles contribute to the overall stability of a truss system?: Steel angles contribute to the overall stability of a truss system by providing additional support and rigidity to the structure. The angles are typically used as diagonal braces, helping to distribute the load evenly and prevent any excessive deflection or deformation. By reinforcing the truss members and connecting them securely, steel angles enhance the system's ability to withstand external forces and maintain its structural integrity.

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