High grade hot-rolled steel channel (Q235)

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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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Product Description:

Channel is the section groove strip steel. Channel steel is used in the construction and machinery for carbon structural steel, steel steel section is complex, its sectional shapegroove. Channel steel is mainly used for building structure, the curtain wall engineering,mechanical equipment and vehicle manufacturing etc.. Request it has better welding, rivetingperformance and comprehensive mechanical properties in use. Steel billet production raw materials are carbon content not exceeding 0.25% of the carbon steel or low alloy steel billet.Product channel steel after hot forming, normalizing or hot-rolled state of delivery. Thespecifications to waist high (H) * leg width (b) * waist thick (d) millimeter number representation, such as 100*48*5.3, said waist height 100 mm, width of 48 mm steel legs,waist thickness was 5.3 mm, or 10# channel. Waist high the same channel, if there are several different wide legs and waist thickness also need to add a B C to be the difference in the types of the right, such as 25#a 25#b 25#c etc..

Classification

Channel can be divided into ordinary steel and light channel. Hot rolled ordinary channelspecifications for 5-40#. By both sides of supply and demand supply of hot rolled flexiblechannel protocol specifications for 6.5-30#. Channel steel is mainly used for building structure, vehicle manufacturing, other industrial structure and a fixed disk cabinet, steeloften used together with choices.

Channel steel according to shape and can be divided into 4 kinds: Leng Wan equilateral channels, Leng Wan scalene channel, Leng Wan edge channel, Leng Wan channel section with outer edge

In accordance with the steel structure theory, should be the channel steel flange force, that is to say the channel should be upright, not lying.

No.

With international chemical symbols for the element and its symbols to represent the chemical composition, in Arabia letter to indicate the contents of components:

Such as: China, Russia 12CrNi3A

Using a fixed number of bits to represent the steel series digital or digital; such as: the United States, Japan, 300 series, 400 series, 200 series;

Using the Latin alphabet and their sequence number, only that the use of.

The specification set

Channel steel specifications mainly used high (H), Tui Kuan (b), waist thickness (d) and othersize

Channel steel (3)

Said that at present domestic steel specifications from 5 to 40, that is, the correspondingheight of 5 to 1000px.

At the same height, light channel than common channel steel legs, waist narrow thin, light weight. 18 - 40, 5 - 16 for large channel, channel steel for medium channel. The importchannel indicate the actual size and related standards. Steel import and export orders generally is in determining the corresponding (carbon steel or low alloy steel) steel after,required the use specifications in the main. In addition to specifications, outside the channelwithout specific composition and performance series.

The delivery channel length is divided into fixed length, double length two, and the provisions of tolerance in the corresponding standard. The domestic channel length selection scope according to the specifications of different divided into 5 12M, 5 19m, 6 19m three. The importchannel length selection is generally in the range 6 to 15m.

China's steel imports more than it exports. Simple import and along with the complete engineering importing two channels. In recent years, China's coastal big port (Dalian, Tianjin,Qinhuangdao, Lianyungang etc.) in the new, expansion of oil, coal, grain and other bulkimport and export commodity automatic loading and unloading in the project, with the mainequipment is introduced at the same time, imports large channel is on the increase. The main production countries and regions as Japan, Russia, Western europe. Export channel mainly to Hong Kong and macao.

7 the appearance requirements

Surface quality and geometry of the channel of the allowable deviation are specified in the standard. General requirement of surface shall not use harmful defects, there shall be nosignificant reverse, provisions of channel wave bending (camber) related to allow surface shape value and various specifications channel parameters (h, B, D, t etc.) numerical,tolerance. The main performance of channel geometry is not true: angle, leg extended legand etc..

8 the main origin

Channel of China is mainly composed of several steel production, steel, iron, Tang Gang,Huang te, Maanshan Iron and steel, Bao Steel, Xuanhua Steel, Japan etc..

 


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Q:Which kind of wind resistance is better for square tube, square tube or channel steel?
Why don't you buy square tubes directly? How do you budget?
Q:Channel 10, 1 meters. What is the theoretical weight?
Its specification means: such as 120*53*5, which means that the waist height is 120 millimeters, the width of the leg is 53 millimeters of channel, the waist is 5 mm thick channel, or called 12# channel steel. The same height of the channel, if there are several different leg width and waist thickness, also need to add a, B, C on the right side of the model to distinguish, such as 25a#, 25b#, 25c# and so on.
Q:What is the standard for channel steel execution?
At the same height, the light channel steel has narrower legs, thinner waist and lighter weight than ordinary channel steel. 18 - 40 is large channel steel, 5 - 16 channel steel is medium channel steel. Imported channel steel shall be marked with actual specifications, sizes and relevant standards. Steel import and export orders generally is identified in the corresponding (carbon steel or low-alloy steel), to use the required specifications. Except for specification, channel steel has no specific composition and performance series.
Q:What calculates the endurance of a channel?
The channel steel can be placed in three directions, that is, stand, place, tilt, and lie prone,There are N kinds of support: both ends of the simple support, both ends fixed, cantilever, one end of the cantilever, the other end of a simple support, cantilever at both ends...
Q:Could you tell me the theoretical weight and size of 16 and 18 channel steel?
Channel steel 16#a specifications 160x, 63x, 6.5mm, theoretical weight of 17.24 kg per meterChannel steel 16#b specifications 160x 65 8.5mm, theoretical weight of 19.752 kg per meterChannel steel 18#a specifications 180X, 68x 7 mm, theoretical weight of 20.174 kg per meterChannel steel 18#b specifications 180 X70 x9mm, theoretical weight of 23 kg per meter
Q:Do galvanized steel channels need anti rust treatment?
Galvanized layer can play a good role in rust prevention, rust prevention can not be done anymore.
Q:Overhanging Scaffold; channel spacing?
The longitudinal horizontal rod shall be on the inside of the vertical pole, and its length shall not be less than 3 spans. Longitudinal butt joints should be staggered, two adjacent longitudinal joints should not be set in a synchronous or within the same span, not synchronous or different across the two adjacent joints staggered horizontal distance should not be less than 500mm, each jointcenter distance from the primary node is no larger than the vertical distance of 1/3. A bar two segment height should not exceed 2cm, the horizontal bar full Changping flatness can not exceed the total length of the scaffold of 1/300, and is no more than 10m.
Q:How to input the sign of channel steel in Excel
The same height of the channel, if there are several different leg width and waist thickness, also need to add a, B, C on the right side of the model to distinguish, such as 25#a, 25#b, 25#c and so on.
Q:What does "channel weight" mean?
What does channel weight mean? How much is the theoretical weight of channel steel per metre?.
Q:After the type of channel is not marked A or B, which shall be calculated?
For safety reasons, according to the A calculation, the weight of the material can be calculated according to B to avoid the insufficient use time

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