GB Q235B galvanized angle steel for construction

GB Q235B galvanized angle steel for construction System 1

GB Q235B galvanized angle steel for construction

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 10000 m.t./month

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Product Description:

ASTM 316l Stainless Angle Steel Bar

1.Surface:Bright,Polished,Turn smooth(Peeled),Brush,Mill,Pickled

2.Length:3m, 6m,9m,12m

3.Use:These products are widely supplied to areas of machine-made industry,chemical industry,spin,shipping industry,architecture,food industry,household products etc

4 ISO9001:2008

SPECIFICATION

Standard	AISI, ASTM, BS, DIN, GB, JIS, etc
Grade	Q195, Q215, Q235, Q345, SS400, A36, S235JR, ST37, etc

Technical parameters: 1) Material: Q235B , Q 345B, SS400 ,SS540, S235JR ,ETC.
2) Usage: structure construction and electronic tower building
3) Weight tolarance: -4% TO -10%
4) Size tolarance :
ANGLE STEEL SIstructural steel angleE TOLARANCE (MM)
SIstructural steel angleE cm	WIDTH b/mm	THICKNESS d/mm	LENGTH /m
2-5.6	+/-0.8	+/-0.4	4-12
6.3-9	+/-1.2	+/-0.6	4-12
10-14	+/-1.8	+/-0.7	4-12
16-20	+/-2.5	+/-1.0	4-12
5) Payment terms: TT or LC
6) Delivery date: within 30 days after receiving the LC or TT prepay
7) Packing: Export package
8) Inspection: accept third party inspection

Other Steel Bar Specification:

1.Square bar:Size: 4mm*4mm~100mm*100mm

2.Round Bar:Diameter: 3mm~800mm

3.Angel Bar:Size: 3mm*20mm*20mm~12mm*100mm*100mm

4.Flat bar:Thickness: 2mm~100mm,Width: 10mm~500mm,

5.Hexagonal :Size: 2mm~100mm

GB Q235B galvanized angle steel for construction

Q:What are the different methods of surface galvanizing for steel angles?: Steel angles can be surface galvanized using various methods, each with its own benefits and uses. Here are some commonly employed techniques: 1. Hot-dip galvanizing: The most widely utilized method involves immersing steel angles in molten zinc, forming a strong bond with the surface. This process offers exceptional corrosion protection and durability, making it suitable for a wide range of applications. 2. Electro-galvanizing: This method involves electrodepositing a thin layer of zinc onto the steel angle's surface. It is a controlled process that provides a smoother and more even coating. Electro-galvanizing is often used for decorative purposes or when a thinner coating is sufficient. 3. Sherardizing: This method entails coating the steel angles with a mixture of zinc dust and proprietary filler materials, such as aluminum or iron powder. The coated angles are then heated in a furnace, causing zinc to diffuse into the steel's surface, forming a durable alloy layer. Sherardizing is ideal for applications requiring high resistance to wear and abrasion. 4. Mechanical galvanizing: Also known as centrifuge galvanizing, this method involves tumbling steel angles in a drum or barrel with zinc powder and glass beads. The tumbling action helps zinc powder adhere to the surface, creating a protective coating. Mechanical galvanizing is commonly used for small or intricate parts that are challenging to galvanize with other methods. 5. Zinc-rich paint: Although not a conventional galvanizing method, zinc-rich paint can offer similar corrosion protection. It involves applying a paint or coating with a high concentration of zinc particles to the steel angle's surface. These zinc particles act as sacrificial anodes, corroding instead of the steel and safeguarding against rust and corrosion. These methods represent just a few options for surface galvanizing steel angles. The choice of technique depends on factors such as desired corrosion protection, specific application requirements, and cost considerations. Consulting with a galvanizing professional is crucial to determine the most suitable method for your needs.

Q:How do you calculate the bending capacity of a steel angle?: In order to determine the bending capacity of a steel angle, several factors must be considered. The initial step involves calculating the moment of inertia (I) of the angle section, which measures its resistance to bending. The moment of inertia relies on the angle's shape and dimensions, and can be found in the manufacturer's specifications or through calculations. Once the moment of inertia has been obtained, the section modulus (Z) can be calculated as another indicator of the section's ability to resist bending. The section modulus is found by dividing the moment of inertia by the distance from the centroid of the section to the extreme fiber. Subsequently, it is necessary to establish the maximum allowable bending stress (σ) for the steel angle. This value is typically provided by the manufacturer or can be determined based on the desired safety factor and the type of steel being used. Lastly, the bending capacity (M) of the steel angle can be calculated by utilizing the formula M = σ * Z. This calculation provides the maximum moment that the angle can endure without experiencing excessive bending stress. It is important to note that these calculations assume the angle's behavior is elastic and do not account for additional factors such as local buckling, residual stresses, or combined loading. Therefore, it is advisable to consult relevant design codes or guidelines for a more comprehensive analysis to ensure the safety and reliability of the steel angle in a specific application.

Q:What are the properties of steel angles?: Steel angles have several properties that make them highly versatile and widely used in various industries. Firstly, they have excellent strength-to-weight ratio, providing structural stability and support. Secondly, steel angles offer great resistance to corrosion and impact, ensuring durability in different environments. Additionally, they have high malleability and ductility, allowing for easy fabrication and shaping to meet specific design requirements. Lastly, steel angles possess good thermal conductivity and are fire-resistant, making them suitable for applications where heat transfer and fire protection are crucial.

Q:Do steel angles require maintenance?: Yes, steel angles do require maintenance. While steel is a durable material, it is still susceptible to rust and corrosion, especially when exposed to moisture or harsh environmental conditions. Regular maintenance is necessary to prevent these issues and ensure the longevity of steel angles. Some common maintenance practices include inspecting for any signs of rust or damage, cleaning the surface to remove dirt and debris, and applying protective coatings or paints to prevent corrosion. Additionally, proper storage and handling of steel angles can also contribute to their maintenance. It is important to follow manufacturer guidelines and consult with professionals to determine the specific maintenance requirements for steel angles in different applications.

Q:How do steel angles perform in terms of electrical conductivity?: Steel angles have low electrical conductivity due to the high resistance of steel to the flow of electric current.

Q:How do steel angles contribute to the overall torsional stiffness of a structure?: Steel angles contribute to the overall torsional stiffness of a structure by providing resistance against torsional forces. The angled shape of the steel members helps to distribute and transfer these forces, preventing excessive twisting or rotation of the structure. This added stiffness helps to maintain structural integrity and stability, ensuring that the structure can withstand torsional loads and maintain its desired shape.

Q:Can steel angles be used for stairs or handrails?: Yes, steel angles can be used for stairs or handrails. Steel angles are commonly used in construction as they provide structural support and stability. When used for stairs, steel angles can be incorporated as stringers or supports, ensuring the stability and strength of the staircase. Similarly, for handrails, steel angles can be used as the main frame or support structure, providing a sturdy and safe handrail for users. The use of steel angles in stairs and handrails offers durability, resistance to wear and tear, and the ability to withstand heavy loads, making them a popular choice in construction projects.

Q:What are the different types of steel angles used in shipbuilding?: In shipbuilding, there are several types of steel angles that are commonly used for various structural purposes. These angles are typically made from high-strength steel and are designed to provide strength and stability to the ship's structure. Here are some of the different types of steel angles used in shipbuilding: 1. Bulb Angles: These angles are specifically designed for use in the construction of ship hulls. They have a bulbous shape on one side, which helps in distributing the load and providing additional strength and stability to the hull structure. 2. L-Shaped Angles: L-shaped angles, also known as unequal angles, are widely used in shipbuilding for framing and bracing purposes. These angles have one leg longer than the other, allowing them to be used in various applications where different lengths are required. 3. Equal Angles: Equal angles, also known as L-sections, have two legs of equal length and are commonly used in shipbuilding for framing and supporting structures. They provide uniform strength and can be used in a variety of applications, including bulkhead framing and deck support. 4. Flat Bars: Although not technically angles, flat bars are often used in shipbuilding for similar purposes. These bars have a rectangular cross-section and are typically used for reinforcement, framing, and connecting various structural components. 5. T-Sections: T-sections, also known as T-angles, have a T-shaped cross-section and are commonly used in shipbuilding for structural framing, reinforcement, and connecting different components. The vertical leg of the T-section provides additional strength and stability to the structure. 6. Z-Sections: Z-sections, also known as Z-angles, have a Z-shaped cross-section and are used in shipbuilding for various purposes, such as framing, bracing, and supporting structures. These angles offer excellent load-bearing capacity and are often used in applications where maximum strength is required. Overall, the choice of steel angles in shipbuilding depends on the specific requirements of the structure, including the load-bearing capacity, structural design, and intended use. The aforementioned types of steel angles provide a wide range of options to meet the diverse needs of ship construction.

Q:How do you cut steel angles to size?: To achieve the desired size for steel angles, one can employ various techniques depending on the available tools. Here are a few commonly used methods: 1. Angle Grinder Method: A versatile tool, the angle grinder, can be utilized for cutting steel angles. Make sure to attach a cutting disc suitable for metal cutting to the grinder. Mark the desired length on the angle and securely clamp it down. Carefully follow the marked line using the grinder, applying even pressure to cut through the steel. Remember to take necessary safety precautions, such as wearing protective eyewear and gloves, and remain cautious of any sparks produced during the cutting process. 2. Bandsaw Technique: If a bandsaw is accessible, it can be an efficient tool for cutting steel angles. Ensure that the bandsaw is equipped with a blade specifically designed for metal cutting. Securely clamp the angle, aligning the marked line with the path of the blade. Start the bandsaw and gradually feed the angle into the blade, maintaining a steady pace to achieve a clean cut. 3. Hacksaw Approach: Although a slower method, a hacksaw can also be employed for cutting steel angles. Begin by securely clamping the angle to a workbench or vise. Use a square to mark a straight cutting line on the angle, then carefully saw along the line. Apply steady pressure while sawing to maintain control and achieve a clean cut. Remember to use a blade suitable for cutting metal and take breaks if necessary to avoid fatigue. Regardless of the chosen method, it is crucial to prioritize safety precautions, such as wearing appropriate protective gear and ensuring a clear and well-ventilated work area. Furthermore, always double-check measurements and utilize proper techniques to achieve accurate cuts.

Q:Can steel angles be used in marine or underwater applications?: Yes, steel angles can be used in marine or underwater applications. Steel angles are often used in the construction of various marine structures, such as ships, offshore platforms, and underwater pipelines. The high strength and corrosion resistance of steel make it suitable for withstanding the harsh conditions of the marine environment, including exposure to saltwater and extreme temperatures. Additionally, steel angles can be easily welded or bolted together to form a strong and durable structure, making them an ideal choice for marine and underwater applications.

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