• 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 bracing purposes?
Yes, steel angles can be used for bracing purposes. Steel angles have excellent strength and rigidity, making them suitable for providing additional support and stability in various structural applications. They are commonly used in construction, engineering, and industrial projects for bracing purposes to reinforce and stabilize structures against lateral forces, such as wind or seismic loads.
Q: How do you calculate the shear capacity of a steel angle?
The shear capacity of a steel angle can be calculated using the formula: Shear Capacity = 0.6 * Fy * Ag, where Fy is the yield strength of the steel and Ag is the gross area of the angle.
Q: How do you calculate the buckling strength of a steel angle?
To calculate the buckling strength of a steel angle, several factors need to be considered. The buckling strength refers to the ability of the angle to resist buckling or collapse under applied loads. Firstly, the geometry of the steel angle must be determined. This includes the dimensions of the angle, such as the length of the legs and the thickness of the steel. Additionally, the cross-sectional properties, such as the moment of inertia and the section modulus, need to be calculated. Next, the effective length of the angle needs to be determined. The effective length is a measure of how restrained the angle is against buckling. It depends on factors such as the boundary conditions and the connection details. The effective length can be different for different modes of buckling, such as flexural or torsional buckling. Once the effective length is determined, the critical buckling load can be calculated using an appropriate buckling equation. There are several buckling equations available, depending on the boundary conditions and the mode of buckling. For example, the Euler buckling equation can be used for long, slender angles subjected to axial compression. Other equations, such as the Johnson buckling equation, may be used for more complex loading scenarios. The critical buckling load can then be converted to an allowable stress using a suitable safety factor. The safety factor accounts for uncertainties in the calculation and ensures that the angle can safely carry the applied load without buckling. The safety factor is typically specified by design codes or industry standards. In summary, calculating the buckling strength of a steel angle involves determining the geometry and effective length of the angle, applying an appropriate buckling equation, and converting the critical load to an allowable stress using a safety factor. It is important to consult relevant design codes and standards to ensure accurate and safe calculations.
Q: What are the different methods of corrosion protection for steel angles?
There are several methods of corrosion protection for steel angles, including galvanization, painting, powder coating, and using corrosion-resistant alloys.
Q: What's the size of No. 5 angle iron?
The size of No. 5 angle steel is: steel with length, width and height of 50*50*xmm, wherein X can be 3mm, 4mm, 5mm.
Q: What are the limitations of using steel angles in corrosive or saltwater environments?
The main limitations of using steel angles in corrosive or saltwater environments are their susceptibility to corrosion and potential for accelerated deterioration. Steel angles are prone to rusting and corrosion when exposed to moisture and saltwater, which can weaken the structural integrity of the material over time. To mitigate these limitations, protective coatings or alternative materials such as stainless steel or galvanized steel can be used.
Q: How much is a galvanized angle L50*50*5*2500
The ordinary angle iron is 40-45 yuan one
Q: How do steel angles compare to other materials like aluminum or wood?
Steel angles have several advantages over other materials like aluminum or wood. Firstly, steel angles are known for their strength and durability. Steel is a highly robust material that can withstand heavy loads and high-pressure situations, making it ideal for structural applications. In comparison, aluminum is relatively weaker and less durable, making it better suited for lightweight applications. Secondly, steel angles have excellent fire resistance properties. Steel is non-combustible, which means it does not burn or contribute to the spread of fire. On the other hand, wood is highly flammable and can be a fire hazard in certain situations. Aluminum has a higher melting point than wood, but it does not possess the same level of fire resistance as steel. Moreover, steel angles have superior corrosion resistance compared to both aluminum and wood. Steel can be galvanized or treated with protective coatings to prevent rust and corrosion, making it suitable for outdoor or marine applications. Aluminum, although it has a natural oxide layer that resists corrosion, is still more susceptible to corrosion than steel. Wood, being an organic material, is highly vulnerable to rot and decay when exposed to moisture or insects. Another advantage of steel angles is their versatility. Steel can be easily fabricated and manipulated into various shapes and sizes, allowing for a wide range of design possibilities. Aluminum also offers some flexibility in terms of fabrication, but it is generally less malleable and more prone to cracking. Wood, while being relatively easy to work with, has limitations in terms of structural integrity and design flexibility. In terms of cost, steel angles are generally more economical than aluminum. Steel is widely available and has lower production costs, making it a cost-effective choice for many applications. Aluminum, on the other hand, can be more expensive due to higher production costs and its limited availability. Wood, depending on the type and quality, can vary in price but is often more affordable than steel or aluminum. In summary, steel angles offer superior strength, durability, fire resistance, corrosion resistance, versatility, and cost-effectiveness compared to materials like aluminum or wood. However, the choice of material ultimately depends on the specific application, design requirements, and budget constraints.
Q: What is the minimum thickness for a steel angle bracket?
The minimum thickness for a steel angle bracket can vary depending on the specific application and load requirements. However, in general, a minimum thickness of 1/8 inch (3.18 mm) is often considered standard for most angle brackets.
Q: Can steel angles be used for agricultural buildings or barns?
Yes, steel angles can be used for agricultural buildings or barns. Steel angles provide structural support and stability, making them suitable for constructing various components, such as trusses, beams, and frames, in agricultural buildings or barns.

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