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:How do you calculate the axial compression capacity of a steel angle?: To calculate the axial compression capacity of a steel angle, you would need to consider several factors such as the dimensions and properties of the angle, the material properties, and the boundary conditions. The calculation typically involves determining the slenderness ratio, which is the ratio of the length of the angle to its thickness. This ratio helps determine whether the angle will fail in compression or buckling. The axial compression capacity can then be calculated using relevant design codes or formulas, taking into account factors such as the yield strength of the material and any additional considerations specific to the application.

Q:What are the different surface treatments available for galvanized steel angles?: To enhance the appearance, durability, and resistance to corrosion of galvanized steel angles, there are various surface treatments available. Some commonly used treatments include: 1. Powder coating: This method involves applying a dry powder onto the surface of the galvanized steel angle, followed by heating to create a long-lasting and visually appealing finish. Powder coating can be customized to achieve different colors and textures, resulting in a high-quality surface treatment. 2. Painting: Galvanized steel angles can also be painted with different coatings, such as epoxy, polyurethane, or enamel paint. Painting adds an extra layer of protection against corrosion and can be tailored to meet specific aesthetic requirements. 3. Hot-dip galvanizing: This treatment is the initial process for galvanized steel angles. It involves immersing the angles in a bath of molten zinc, which forms a protective layer on the surface. Hot-dip galvanizing offers excellent corrosion resistance and is particularly suitable for outdoor applications. 4. Zinc electroplating: Similar to hot-dip galvanizing, zinc electroplating applies a thin layer of zinc to the steel angle's surface through an electrochemical process. This treatment offers good corrosion protection and can be combined with other surface treatments to enhance durability. 5. Anodizing: Anodizing is commonly used for aluminum surfaces but can also be applied to galvanized steel angles. This process creates a controlled oxide layer on the surface, improving corrosion resistance and providing a decorative finish. 6. Passivation: Passivation is a chemical treatment that eliminates iron and other impurities from the surface of galvanized steel angles. It enhances the steel's corrosion resistance by creating a passive oxide layer. When selecting a surface treatment for galvanized steel angles, it is crucial to consider specific application requirements, budget constraints, and desired aesthetic appearance. Seeking advice from professionals or suppliers can help determine the most suitable treatment for your needs.

Q:What are the different methods of impact testing for steel angles?: There are several methods of impact testing that can be used to assess the toughness and resistance of steel angles. These methods include the Charpy V-notch test, the Izod test, and the drop weight test. 1. Charpy V-notch Test: This is one of the most commonly used methods for impact testing. In this test, a notched specimen of the steel angle is placed in a pendulum hammer. The hammer is released, swinging down and striking the specimen. The amount of energy absorbed by the specimen before it fractures is measured and used to determine the impact toughness of the material. 2. Izod Test: Similar to the Charpy V-notch test, the Izod test involves using a pendulum hammer to strike a notched specimen of the steel angle. However, in this test, the specimen is clamped vertically, while the hammer strikes it horizontally. The energy absorbed by the specimen is measured and used to evaluate its impact resistance. 3. Drop Weight Test: This method involves dropping a weight onto a specimen of the steel angle from a certain height. The specimen is usually supported on a solid base, and the impact energy is calculated based on the weight and the height of the drop. The deformation and fracture behavior of the specimen are then analyzed to determine its impact toughness. These different methods of impact testing help engineers and manufacturers assess the ability of steel angles to withstand sudden impact or shock loads. By evaluating the toughness and resistance of the material, these tests provide valuable information for designing structures and selecting appropriate materials for various applications.

Q:How do steel angles perform under cyclic or alternating loading conditions?: Steel angles possess excellent performance characteristics under cyclic or alternating loading conditions because of their structural properties. The durability and high strength of steel are renowned, enabling angles to endure repeated loading without significant deformation or failure. Fatigue, a phenomenon that transpires when a material experiences recurring stress cycles, is observed in steel angles under cyclic loading. This leads to the accumulation of damage and potential failure over time. Nevertheless, steel has an exceptional fatigue strength compared to other materials, rendering it highly resistant to fatigue-induced failure. The performance of steel angles under cyclic loading is also influenced by their distinctive shape. The L-shaped configuration adds to their stability and ability to withstand bending or twisting forces. This form facilitates the dispersion of the load more evenly along the angle's length, reducing stress concentrations and enhancing its fatigue life. Moreover, steel angles can be reinforced using diverse techniques, such as heat treatment or surface hardening. These processes enhance the material's resistance to cyclic loading, making it even more proficient in enduring repeated stress cycles. In summary, steel angles are ideal for cyclic or alternating loading conditions due to their remarkable strength, durability, and fatigue resistance. Their L-shaped design and potential for reinforcement make them dependable structural components in various fields, encompassing construction, engineering, and manufacturing.

Q:Can steel angles be used in modular construction or prefabricated structures?: Indeed, modular construction or prefabricated structures can indeed utilize steel angles. These versatile and frequently employed structural components possess the ability to furnish modular and prefabricated buildings with both strength and stability. They are capable of constructing the skeletal framework, supporting walls, floors, and roofs, while also reinforcing connections and corners within these edifices. The preference for steel angles arises from their exceptional strength-to-weight ratio, durability, and simplicity in fabrication, rendering them a highly appropriate selection for modular and prefabricated construction endeavors.

Q:How do steel angles perform under dynamic loads?: Steel angles generally perform well under dynamic loads due to their inherent strength and durability. The structural shape of steel angles, characterized by their L-shaped cross-section, provides excellent resistance to bending and torsional forces. This design allows them to efficiently distribute dynamic loads and resist deformation, making them suitable for various applications in construction, engineering, and manufacturing industries. However, the specific performance of steel angles under dynamic loads can vary depending on factors such as the grade and quality of the steel, the magnitude and frequency of the dynamic load, and the overall design and reinforcement of the structure.

Q:What is the minimum length of a steel angle?: The minimum length of a steel angle can vary depending on the specific requirements and applications. However, in general, the minimum length is typically around 6 inches or 150 mm.

Q:Can steel angles be used in architectural lighting installations?: Yes, steel angles can be used in architectural lighting installations. Steel angles provide structural support and can be used to mount lighting fixtures securely. They are often used in applications where durability and strength are important, making them suitable for architectural lighting installations.

Q:What is the typical yield stress of steel angles?: The typical yield stress of steel angles can vary depending on the specific grade and type of steel being used. However, for commonly used carbon steels, the typical yield stress ranges from 36,000 to 50,000 pounds per square inch (psi). This means that the steel angles can withstand a certain amount of stress or pressure before they begin to deform or permanently change shape. It is important to note that different steel alloys and treatments can result in varying yield stresses, so it is necessary to consult the specific specifications or reference materials for the particular steel angle in question.

Q:What are the common methods of surface finishing for steel angles?: The common methods of surface finishing for steel angles include galvanizing, painting, powder coating, and shot blasting.

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