High Quality 28# Steel Channel

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Product Description:

Steel Channel

Standard: GB

Material: Q235

Length: 6m, 12m

Size:

Size (mm)Mass (Kg/m)
280*82*7.531.427
280*84*9.535.823
280*86*11.540.219

The chemical composition of HR Channel Steel according to Q235B is shown in Table-1.

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

Table-1

Note: we are able to present our customers relevant SGS test report for chemical composition of HR Channel Steel.

The mechanical property of HR Channel Steel according to Q235B is shown in Table-2

Alloy No

Grade

Yielding Strength Point(Mpa)

Thickness(mm)

16

16-40

40-60

60-100

Q235

B

235

225

215

205


                                                                                                         Table-2

Package & Delivery of Channel:

1.The hot rolled channel steel will be packed in bundle with steel wire at each end of every bundle and color marking in order to help the customer to recognize his goods more easily at sight.

2. And the hot rolled channel steel could be loaded into 20ft or 40ft container, or by bulk cargo.If the weight of each bundle reaches more than 3.5 mt, the loading by break bulk cargo should be choosed.When the weight of each bundle reaches less than 3mt, the loading by container should be choosed.

3.As for the transportaion from mill to loading port, the truck will be usually used. And the maximum quantity for each truck is 40mt.

4.All in all, we could do in accordance with customer's request.

*If you would like to get our price, please inform us the size, standard/material and quantity. Thank you very much for your attention.

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Q:Standard for channel 20
Can check the hot-rolled ordinary channel GB707-88
Q:What about the specification of 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 other meters.
Q:How are the two channel welds welded?
Butt welding, full welding, through the groove just fine! What about steel plates? No way, single-sided welding, double-sided molding
Q:The parameters of the channel steel of Q235B
Q235B is carbon structural steelIt consists of Q+ numeral + quality grade symbol + deoxidization method symbol. The steel dubbed "Q", representing the yield point of steel, behind the digital representation of the yield point value, in units of MPa such as Q235 (s) said the yield point for carbon steel 235 MPa. The necessary grades can be marked behind said deoxidation methods of quality grades and symbols. The quality class symbols are A, B, C, and D respectively. Deoxidation method notation: F means boiling steel; B represents semi killed steel: Z indicates calm steel; TZ stands for special sedation steel; calm steel is not marked; Z and TZ are not standard. For example, Q235-AF indicates a class of rimmed steel.
Q:What material is channel steel?
Channel steel is a kind of carbon structural steel used for construction and machinery. It is a complex section steel. Its cross section has a groove shape. Channel steel is mainly used in building structure, curtain wall engineering, mechanical equipment and vehicle manufacturing, etc.. In use, it requires better welding, riveting performance and comprehensive mechanical properties. The raw material steel billet for channel steel is carbon or low alloy steel billets with a carbon content of not more than 0.25%. The finished channel steel is delivered by hot forming, normalizing or hot rolling. The specifications are expressed in millimeters of height (H) * leg width (b) * waist thickness (d), such as 100*48*5.3, which means waist height is 100 mm, leg width is 48 mm, waist thickness is 5.3 mm channel, or 10# 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 25#a, 25#b, 25#c and so on.
Q:Formula for section modulus of channel steel
6.3# channel steel, Wx=16.1cm^4, Wy=4.5cm^48# channel steel, Wx=25.3cm^4, Wy=7.9cm^4.. These are professional books, professional data, no formula.
Q:How much is the weight per square metre of channel 10?!
10 channel steel, the national standard of rice weight is 10.007, but the production must be worse, the general national standard of about 5%, but also under the difference of more than 15%!
Q:Specific difference between channel steel, cold-formed steel channel, hot plate and cold plate
Cold bend channel steel and cold-rolled steel plate production process is basically the same, refers to the steel at normal temperature, through the external role of the steel rolled or bent into the required shape.
Q:What are the methods and the price of building the floor?
Channel or I-beam construction. Under normal circumstances, the use of channel steel on the line, but with the bending strength of I-beam will be higher, of course, the cost will be higher, but also occupy more space I-beam height. The advantage of channel steel construction is that it is quick to use. It does not need to wait. The disadvantage is that the channel made attic, when people walk in the above, there will be a certain shaking sound, the smaller channel specifications, the greater the shaking. The adoption of channel steel is a recommended practice.
Q:What should I do with a screw or nut or bolt on the ramp?
The bolt or nut on the inclined plane is easy to cause notch sensitivity, and the test type is wedge load.1. inclined planes on the upper and the inclined angles such as the angle of the gasket, so that the installation surface level.2. design changes into planes.3. on the slant drilling, reaming hole for the bolt head or nut. The hole bottom surface is a plane.

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