High Quality 25# Steel Channel

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Product Description:

Steel Channel

Standard: GB

Material: Q235

Length: 6m, 12m

Size:

Size (mm)Mass (Kg/m)
250*78*7.027.410
250*80*9.031.335
250*82*11.035.260

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:Double building with channel steel, good barrier, nail board, can you do toilet?
The structure of the ground to do a layer of cast-in-place (seven or eight cm thick, then can) make a layer of mortar cushion (leveling), then protect the water again (best done 2 times, prevention), construction finally late (tile etc.)
Q:How about the moment of inertia of two back to back channels? There is no formula,,,,.
This is not a specific formula, but generally in the mechanics of materials and engineering manual has a numerical physical quantity and the corresponding specific channel types, usually in combination just do a simple superposition or projections, specific to see you is the moment of inertia of the shaft on which. I hope it works for you
Q:Six meters long, standard 10 channel steel, theoretical weight
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:What kind of welding rod used for channel steel?
Manual arc welding, the use of strength grades T50 electrode: knot 506, knot 507, knot 502, knot 503, knot 552, knot 553, etc.;
Q:Channel steel is a strip of steel with a cross section.
The box is denoted by 12# (H) * leg width (b) * waist thickness (d), such as 120*53*5, which means that the waist height is 120 mm, the width of the leg is 53 mm, and the channel is 5 mm thick, or called 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:Use the No. 10 channel steel as the crossbeam, the span of 2 meters, the load is 300kg. How about the selection and the type of the channel steel? If not, what number should I use?
The stability of channel steel can not be checked, and the flexural strength of channel steel is checked only. The following bending moment diagram can be obtained by calculation8 =Mmax/ (gamma Wx) +N/A=1875N - m/ (1.05*39.7cm - <[f]=205N/mm - +0/12.74=45N/mm fand), to meet the requirements.The Mmax in the upper form is derived from the diagram, and is computed by itself as 1875N, m=1875000N, mm;Gamma cross-section plastic development coefficient, 1.05;Wx No. 10 steel section modulus, look-up table, Wx=39.7cm =39.700mm fand fand;N steel axial force, 0;A channel section area, look-up table, A=12.74cm L.
Q:Channel 10 is calculated, if the price per metre is calculated
No. 10 channel steel is calculated, that is to say, the standard weight, that is, all channel sizes have reached the standard, our national standard No. 10 channel steel theoretical weight is 10.007 kg / meter.
Q:Is the channel 20 the same as the channel 20b?
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.
Q:What material is the channel steel bought in the steel market?
The mass fraction of Q195, Q215, Q235 are usually of low carbon steel, good welding performance, good plasticity and toughness, a certain strength, often rolled into a sheet, steel, welded steel pipe, used for bridges, buildings and general manufacturing rivet, screw and nut parts etc..
Q:Channel loading
The channel should not be used as bearing beam, 6 meters 4 meters across the Bay 14~16 I-steel beam available 1.2~1.5 m spacing C or Z shape.

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