• Specifications of GB Q235 Equal Angle Steel or  Uneual angle System 1
  • Specifications of GB Q235 Equal Angle Steel or  Uneual angle System 2
  • Specifications of GB Q235 Equal Angle Steel or  Uneual angle System 3
  • Specifications of GB Q235 Equal Angle Steel or  Uneual angle System 4
  • Specifications of GB Q235 Equal Angle Steel or  Uneual angle System 5
Specifications of GB Q235 Equal Angle Steel or  Uneual angle

Specifications of GB Q235 Equal Angle Steel or Uneual angle

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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1.    Structure of Angle Steel Description

Angle steel has equal angle, unequal angle. Standards: GB,ASTM,BS,AISI,DIN,JIS Material:Material: GB Q235B, Q345B or Equivalent; ASTM A36; EN 10025, S235JR, S355JR; JIS G3192, SS400; SS540.

Sizes:

 

Sizes: 25mm-250mm

a*t

25*2.5-4.0

70*6.0-9.0

130*9.0-15

30*2.5-6.6

75*6.0-9.0

140*10-14

36*3.0-5.0

80*5.0-10

150*10-20

38*2.3-6.0

90*7.0-10

160*10-16

40*3.0-5.0

100*6.0-12

175*12-15

45*4.0-6.0

110*8.0-10

180*12-18

50*4.0-6.0

120*6.0-15

200*14-25

60*4.0-8.0

125*8.0-14

250*25

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

2.Main Features of angle steel

  • Broad-spectrum

  • High quantity

  • High strength

 

3.Usage & Applications of GB Q235 Angle Steel

  • Trusses

  • Transmission towers;

  • Telecommunication towers;

  • Bracing for general structures;

  • Stiffeners in structural use.

 

4.Packaging & Delivery of GB Q235 Angle Steel

  • 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.With bundles and load in 20 feet/40 feet container, or by bulk cargo, also we could do as customer's request.

  • 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.

 

Specifications of GB Q235 Equal Angle Steel or  Uneual angleSpecifications of GB Q235 Equal Angle Steel or  Uneual angle

 

Specifications of GB Q235 Equal Angle Steel or  Uneual angle

5.FAQ

We have organized several common questions for our clients,may help you sincerely:

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served.

 

 

Q: Can steel angles be used for pipe supports or hangers?
Yes, steel angles can be used for pipe supports or hangers. Steel angles provide structural support and stability for pipes, making them suitable for various applications in the construction and industrial sectors. The L-shape design of steel angles allows for easy attachment to walls, ceilings, or other structural members, providing a sturdy base for suspending or supporting pipes. Additionally, the strength and durability of steel angles make them capable of withstanding the weight and pressure exerted by the pipes, ensuring long-term stability and reliability. Overall, steel angles are a commonly used and effective choice for pipe supports and hangers.
Q: What are the typical lengths of steel angles available in the market?
The market offers a range of steel angle lengths to meet specific project needs and requirements. While there are standard lengths readily available, ranging from 20 to 40 feet, such as 20, 25, 30, 35, and 40 feet, customization is also possible through special orders or fabrication. This flexibility allows for meeting precise project requirements in construction and industrial applications, where steel angles are used for structural support, framing, and bracing.
Q: Can steel angles be used in cold climates?
Indeed, cold climates can certainly accommodate the usage of steel angles. Renowned for its robustness and endurance, steel proves to be a fitting material for an array of construction purposes, even in chilly environments. Structural framing, supports, and reinforcements frequently employ steel angles, guaranteeing stability and the ability to bear substantial loads. Moreover, steel exhibits exceptional resistance to extreme temperatures, including cold weather conditions, rendering it an exceedingly dependable choice for construction ventures in frigid regions. Nonetheless, it remains vital to meticulously account for the distinct prerequisites and regulations governing cold climate construction, to ensure adequate insulation and safeguarding against freezing temperatures.
Q: What is the typical corrosion rate of steel angles?
The typical corrosion rate of steel angles can be influenced by various factors, such as environmental conditions, the type of steel utilized, and the presence of protective coatings. In general, steel angles are prone to corrosion due to their iron content. However, by properly maintaining them and applying protective measures, the corrosion rate can be significantly reduced. In mild atmospheres or indoor settings with low humidity and minimal exposure to corrosive substances, the corrosion rate of steel angles tends to be relatively low, typically ranging from 0.1 to 0.5 mils per year (1 mil equals 0.001 inches). This slow corrosion rate enables steel angles to maintain their structural integrity for a long time. On the other hand, in more aggressive environments like coastal areas with high salt levels in the air or industrial settings with chemical exposure, the corrosion rate can be considerably higher. In these scenarios, the corrosion rate of steel angles can range from 0.5 to 2 mils per year, or even higher. It is crucial in such environments to implement measures such as regular inspection, cleaning, and the application of protective coatings to mitigate the corrosion rate and extend the lifespan of the steel angles. It is important to note that these corrosion rates are estimated averages, and actual rates may vary depending on the specific conditions and factors mentioned earlier. Seeking advice from a corrosion engineer or utilizing corrosion rate data specific to the environment and steel type can provide a more accurate estimation of the typical corrosion rate for steel angles in a particular situation.
Q: What does 50*50*5 angle mean?
Standard Specification for angle iron: indicated by width mm * width * * edge mm.
Q: Can steel angles be used in electrical or telecommunications applications?
Yes, steel angles can be used in electrical or telecommunications applications. Steel angles are commonly used as structural supports in various industries, including electrical and telecommunications, due to their strength and durability. They can be used to mount electrical or telecommunications equipment, provide support for cable trays or conduits, and form the framework for equipment racks or cabinets.
Q: How do you clean and maintain steel angles?
To clean and maintain steel angles, you will need a few basic materials and follow some simple steps. Here is a guide to help you with the process: 1. Gather the necessary materials: You will need a soft cloth or sponge, mild detergent or soap, warm water, a bucket, and a microfiber cloth or towel for drying. 2. Start by preparing a cleaning solution: Mix a small amount of mild detergent or soap with warm water in a bucket. Avoid using harsh chemicals or abrasive cleaners as they can damage the steel surface. 3. Dip the soft cloth or sponge into the cleaning solution and wring out any excess liquid. You want the cloth to be damp, not soaked. 4. Gently wipe the steel angles with the damp cloth or sponge. Ensure you cover the entire surface, including the crevices and corners. For stubborn stains or dirt, apply a bit more pressure but avoid scrubbing too vigorously to prevent scratching. 5. Rinse the cloth or sponge with clean water and wipe away any soap residue from the steel angles. 6. Once the cleaning process is complete, use a microfiber cloth or towel to dry the steel angles thoroughly. This step is essential to prevent water spots or rust formation. 7. For regular maintenance, you can use a stainless steel cleaner or polish. Apply a small amount of the cleaner onto a clean cloth and gently rub it onto the steel angles, following the manufacturer's instructions. This will help restore shine and protect the steel surface. 8. Avoid using abrasive materials such as steel wool or scouring pads, as they can scratch the steel angles. Additionally, keep acidic substances or chemicals away from the steel as they can cause corrosion. 9. It is also recommended to periodically inspect the steel angles for any signs of rust or damage. If you notice any rust spots, you can use a rust remover or stainless steel cleaner specifically designed for removing rust. Follow the product instructions carefully and ensure you thoroughly dry the angles afterward. By following these steps, you can effectively clean and maintain steel angles, keeping them in excellent condition for years to come.
Q: What is the process of galvanizing steel angles?
To protect steel angles from corrosion, the galvanizing process encompasses multiple steps. Initially, the angles undergo a thorough cleaning process to eliminate any dirt, oil, or rust on the surface. This is achieved through pickling, wherein the angles are immersed in a solution of acid, usually hydrochloric acid, to eliminate impurities. Subsequently, the cleaned steel angles are rinsed to eliminate any remaining acid and are then dried meticulously. This step is crucial to ensure proper adhesion of the zinc coating. Following the cleaning process, the steel angles are immersed in a bath containing molten zinc. This is known as hot-dip galvanizing, where the angles are completely submerged in the zinc bath. The temperature of the bath typically reaches around 840°F (449°C). While the steel angles are immersed in the zinc bath, a metallurgical reaction occurs between the molten zinc and the steel. Consequently, a layer of zinc-iron alloy is formed on the surface of the angles. This layer offers exceptional resistance against corrosion and acts as a barrier between the steel and the corrosive elements present in the environment. Once the angles have been fully immersed in the zinc bath, they are removed and allowed to cool. The cooling process solidifies the zinc coating and ensures its adherence to the steel angles. Finally, the galvanized steel angles undergo a comprehensive inspection to ensure quality control. This involves examining the thickness, uniformity, and adherence of the coating to the angles. Various tests and measurements are conducted to verify that the galvanized coating meets the required standards and specifications. Overall, the galvanizing process for steel angles involves cleaning, immersion in a molten zinc bath, cooling, and inspection. This process yields a robust and long-lasting protective coating on the steel angles, enhancing their resistance to corrosion and extending their lifespan.
Q: How do steel angles compare to other structural materials like wood or aluminum?
Steel angles have several advantages over other structural materials like wood or aluminum. Firstly, steel angles are much stronger and more durable than wood or aluminum. They have a high strength-to-weight ratio, meaning they can support heavy loads while being relatively lightweight themselves. This makes steel angles ideal for applications requiring structural support or load-bearing capabilities. Secondly, steel angles are extremely resistant to environmental factors such as corrosion and fire. Unlike wood, which is susceptible to rot and decay, and aluminum, which can corrode when exposed to moisture or chemicals, steel angles can withstand harsh conditions and maintain their structural integrity over time. This makes them suitable for outdoor and industrial applications. Additionally, steel angles offer greater versatility and flexibility in design and construction. They can be easily shaped, welded, and manipulated to meet specific project requirements. This allows for greater creativity and customization in architectural and engineering projects. Moreover, steel angles have a longer lifespan compared to wood or aluminum. They require minimal maintenance and have a lower likelihood of needing repair or replacement, reducing long-term costs. This durability, combined with their superior strength, makes steel angles a cost-effective choice in the long run. However, it's worth noting that steel angles may be more expensive upfront compared to wood or aluminum. They also require specialized equipment and expertise for installation. Additionally, steel is a conductor of heat and electricity, so proper insulation or grounding may be necessary in certain applications. In summary, steel angles offer superior strength, durability, resistance to environmental factors, and design flexibility compared to wood or aluminum. While they may have a higher initial cost and require specialized installation, their long lifespan and cost-effectiveness make them a preferred choice for many structural applications.
Q: How do you handle and install steel angles on a construction site?
To handle and install steel angles on a construction site, it is important to follow a systematic process. First, ensure that all necessary safety precautions, such as wearing appropriate protective gear, are in place. Then, use appropriate lifting equipment, such as cranes or forklifts, to safely transport and position the steel angles at the desired location. Next, accurately measure and mark the positions where the angles will be secured. Use appropriate tools, such as drills or welding equipment, to fasten the angles securely to the structure, following the specifications and guidelines provided by engineers or construction plans. Finally, inspect the installation to ensure proper alignment, stability, and structural integrity.

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