Cold Rolled Drawn Slit Cutting Steel Flat Bar for Re-Selling

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25 m.t.
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10000 m.t./month

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Product Description:

1. Structure of Cold Rolled Drawn Slit Cutting Steel Flat Bar Description:

Cold rolled drawn slit cutting steel flat bar is a beam with an I-shaped cross-section. The horizontal elements of the "I" are known as flanges, while the vertical element is termed the "web". Cold rolled drawn slit cutting steel flat bar is usually made of structural steel and is used in construction and civil engineering. The cold rolled drawn slit cutting steel flat bar resists shear forces, while the flanges resist most of the bending moment experienced by the beam. Cold rolled drawn slit cutting steel flat bar theory shows that the I-shaped section is a very efficient form for carrying both bending and shears loads in the plane of the web.

 

2. Main Features of Steel Flat Bar Chinese Standard Slit and Cut Form:

• Grade: Q235

• Type: Mild carbon steel

• Deflection: The stiffness of the I-beam will be chosen to minimize deformation

• Vibration: The stiffness and mass are chosen to prevent unacceptable vibrations, particularly in settings sensitive to vibrations, such as offices and libraries.

• Local yield: Caused by concentrated loads, such as at the beam's point of support.

 

3. Steel Flat Bar Chinese Standard Slit and Cut Form Images:

 

 

4. Steel Flat Bar Chinese Standard Slit and Cut Form Specification:

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)

Tensile strength (Mpa)

Elongation after fracture(%)

Thickness (mm)

Thickness (mm)

≤16

16--40

40--60

60--100

≤16

16--40

40--60

60--100

 

Q235

 

B

 

235

 

225

 

215

 

205

 

375--500

 

26

 

25

 

24

 

23

 

 

5. FAQ

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

①Is this product same as W beam?

In the United States, the most commonly mentioned I-beam is the wide-flange (W) shape. These beams have flanges in which the planes are nearly parallel. Other I-beams include American Standard (designated S) shapes, in which flange surfaces are not parallel, and H-piles (designated HP), which are typically used as pile foundations. Wide-flange shapes are available in grade ASTM A992,[4] which has generally replaced the older ASTM grades A572 and A36.

②How to inspect the quality?

We have a professional inspection group which belongs to our company. We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③Is there any advantage about this kind of product?

Steel I beam bar IPE has a reduced capacity in the transverse direction, and is also inefficient in carrying torsion, for which hollow structural sections are often preferred.

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Q:Galvanized flat steel how much is one meter?
Formula of flat steel: width * thickness * 0.00785 (kg/m), zinc coating weight: 1.06Galvanized pipe formula: (outer diameter wall thickness) * wall thickness * 0.02466 * 1.06, DN25 galvanized pipe outer diameter 33.5, GB thickness 3.25, weight: 2.57kg/m, DN32, outer diameter 42.3, wall thickness 3.25, weight: 3.32kg/m. DN stands for nominal caliber.Angle formula (approximate): edge width * thickness * 0.015, 4# angle iron weight 2.422kg/m
Q:The distinction between flat steel and steel strip
Cyanide is a chemical heat treatment, before the process is highly toxic, serious environmental pollution, the latest process can meet the requirements of environmental regulations, and if not necessary, the use of nitrogen treatment or carbonitriding better.
Q:What is the weight calculation formula for galvanized flat steel and galvanized steel angles?
(1) grounding wire is generally made of 40mm * 4mm galvanized flat steel.(2) galvanized steel or angle steel for earthing body. The diameter of the steel pipe is 50mm, the wall thickness of the pipe is not less than 3.5mm, and the length is 2 to 3m. Angle iron shall be 50mm * 50mm * 5mm.(3) the top of the grounding body from the ground 0.5 ~ 0.8m, in order to avoid thawing soil, soil resistivity or steel angle as the root number of the ground around the body and decide, generally not less than two, each spacing is 3 ~ 5m(4) the distance between the grounding body and the building is over 1.5m, and the distance between the grounding rod and the independent lightning rod is greater than 3m.(5) the connection of grounding wire and earthing body shall be done by lap welding.
Q:Where is the use of flat steel in electrical use?
Other equipment or cable bracket parts connected with bolts, flat width of less than 25mm with a 8mm bolt or two 6mm bolts. The width is less than 40mm by using two 10mm bolts, width 40-50mm uses two 12mm bolts, all bolts are galvanized, double single elastic gasket. In fact, all electrical components should be hot-dip galvanized (except welded steel pipe).
Q:What does QB stand for in Q235B flat steel? What's the difference between Q235B and Q235A?
There are also some subtle differences between Q235A and Q235B:1, chemical composition: Q235A:C:0.14~0.22:Mn:0.30~0.65; S:0.050;2, mechanical properties: tensile test without distinction, impact test A do not do, Q235B I-beam, Q235B angle steel, Q235B channel steel, Q235BH steel, Q235B flat steel B do 20 degree impact test, V type impact power (longitudinal) J no less than 27.
Q:What line is the LEB line, please? Is it wire or flat steel or galvanized round bar?
Equipotential bonding is the connection of metal and conductive parts exposed to electric devices and other devices in the building, artificial or natural grounding bodies, in order to reduce the potential difference, called equipotential bonding. Equipotential bonding is divided into total equipotential bonding, local equipotential bonding and auxiliary equipotential bonding.
Q:Why do some buildings need a steel bar around the top?
Galvanized round steel refers to the cross section of round solid steel. The specifications are expressed in millimeters of diameter, such as 50, which means a round bar of 50 millimeters in diameter. Round steel is not the same as other steel bars. Round steel is round in shape and has no ribs and no ribs, which makes the bonding strength between round bar and concrete very small.
Q:Why is it better to use round steel than that of flat steel in lightning protection?
Presumably, it's a discussion, not an answer.At the same length and with the same cross section,(1) the contact area between flat steel and earth is slightly larger.(2) flat steel is easier to bend than round steel, so it is more convenient to construct.(3) flat steel is easier to connect with bolt by connecting bolt.
Q:The technological process of flat steel
The working principle of precision steel production process of flat steel finishing machine is cold flat bad hair with two sets of upper and lower staggered leveling wheel thickness pre leveling and final leveling; with a pair of oppositely disposed finishing wheel in the width direction of extrusion, the width is compressed and reaches the expected parameters and the amount of compression can be adjusted; with 5 aspects of straightening straightening wheel arrangement of the staggered width. This system is mainly composed of a control box, finishing roller, pre leveling unit, finishing unit, straightening unit.
Q:Does the cable trench need grounding?
According to the design requirements of excavation and masonry, the groove side wall welding force angle, steel frame and required to ground, covered with the cover of the underground channel, that is, cable ditch. Its purpose is to lay underground tunnels for cables.

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