Hot Rolled Mild JIS Standard Steel U Channels for Warehouses

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50 m.t.
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10000 m.t./month

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Product Description:

Product Description:

Hot Rolled Mild JIS Standard Steel U Channels for Warehouses:

1.Our UPN Channel Steel has lots of advantages, just as followings:

a) At reasonable price and good quality.

b) To be convenient in construction and to save much time and labor.

c) The length of UPN can be manufactured according to customer’s requirements.

d) The UPN Channel Steel has strong mechanical strength.

e). The UPN Channel Steel possesses various kind of fittings, through which it is suitbal for many combinations.

f) Our UPN Channel Steel is attractive in appearance as well as beautiful in design

g) Free from slotted punching

2. The detailed sections of our UPN Channel Steel can be found in table-1






















































Note: we are definitely good at manufacturing and supplying UPN channel steel as per S235JR. Also, we are willing and able to provide our customers UPN channel steel in other sizes, which depends on customers’ concret requirements for the quantity.


3. The chemical composition of UPN Channel Steel as per S235JR is shown in the table-2

Alloy No














4. The mechanical property of UPN Channel Steel as per S235JR is shown in the table-3-1 and table-3-2

        Alloy No

Yielding strength point( Mpa)

Thickness (mm)












Alloy No

Tensile strength (Mpa)

Elongation after fracture(%)

Thickness (mm)














Applications of Hot Rolled Mild JIS Standard Steel U Channels for Warehouses:

The UPN Channel Steel can be applied to construction of warehouses, workshops, sport stadiums and car parks etc.The hot rolled channel steel belongs to carbon structural steel which is applied to in the field of construction and machinery.In details, the hot rolled channel steel is usually used for arch-itechtural structure, and they could be welded in order to support or hang a vari-ety of facilities. They are also usually used in combination with I beam. Generally,the hot rolled channel steel we supply must possess perfect welding property, riveting property and mechanical property and so on.


Package & Delivery of Hot Rolled Mild JIS Standard Steel U Channels for Warehouses:

1.The 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 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.


Production Flow of Hot Rolled Mild JIS Standard Steel U Channels for Warehouses:

1.The steel billet shall be heated in the high temperature furnace.

2. The heated steel billet shall be rolled five to nine times with the aim of shaping the general figure of steel u channel.

3. The rolled steel u channel should be put onto the cooling bed to make the temperature low.

4. The steel u channel should be straighted on the straightener.

5. The straighted steel u channel will be cut into meters by saw, as per customer's requirements.

6. At the last part of production, the channel steel must be tested in order to confirm that the finished products are completely free from crack, pore, slag, scab or fold on the surface.



Q1: How soon can we receive the product after purchase?

A1: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.

Q2: What makes stainless steel stainless?

A2: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.

Q3: Can stainless steel rust?

A3: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.


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Q:What does channel 100*48*5.3-39 mean? (what are the specific parameters?)
10# channel steel, size is 100 wide, leg height 48, thickness 5.339 may be the number! This should be based on specific drawings
Q:How to connect channel steel and round steel?
End face of channel steel and end face of round steel:Can first welding a large circular steel plate and steel bar etc. in the channel to the end faces of the circular plate thickness should be more than 10mm, then the circular plate side angle steel and round steel bar to coincide welding, chamfering, need full welding between the two.
Q:What's the width of the 22 channel wing?
I am now with the project is channel 20A 22, channel steel has two specifications, 22a and 22b 22, said channel steel waist length 22cm
Q:How are the two channel welds welded?
1, if two pieces of welding team gap is not conducive to welding, can be lined with a steel plate welding, if the assembly gap reasonable, direct rust removal, welding is ok.2, can use manual arc welding and J422 (E4303) welding rod can.
Q:Calculated weight of channel steel
A calculating example channel (kg/m) W=0.00785 * [hd+2t (B? C D (+0.349) R2? C R 2 m h=) per channel] weight high b= leg length d= t= average thickness of R= thick waist leg inner arc radius r= end arc radius for 80 mm * 43mm * 5mm. From the metallurgical products directory found the channel of T is 8, R is 8, R is 4, per M weight =0.00785 * [80 * 5+2 * 8 * (43? 5 C) * +0.349 (82? C4 2)]= 8.04kg
Q:Roll an outer diameter of 1688MM groove steel ring, how to cut?
Steel hoop, the outer diameter of 1688MM, with 8# steel roll, theoretical calculation formula for *3.14159=5168mm (1688-43), but this material, placed above the rolling machine to roll bending process, due to tension phenomenon, so roll diameter to be bigger, and the inner groove is also just outside bend channel rolling material should be the theoretical length minus extension length, the best use of section bending machine bending machine die roll, or
Q:What is the difference between channel steel and angle steel?
The cross section of the channel steel is concave, and the cross section of the angle steel is L, forming a 90 degree angle
Q:What is the maximum load-bearing capacity of channel 12M span 100?
Suppose that the ends are hinged (other forms may be alternative), according to the mechanics of materialsBending moment M = 1/4PL = 18917.5Nm; P=56752N=56.8kNThe safety factor is taken as 1, and if the other is taken, the carrying capacity P is correspondingly reduced.
Q:What is the wall thickness of national standard 8* channel steel?
8# channel steel GB wall thickness should be 5.0mm (mm),
Q:Own attic, choose I-beam or channel
Oneself take attic, suggest to choose I-beam, and choose GB steel, because stainless steel in non GB is more.I-beam is a kind of economical section steel with better mechanical performanceFeatures: I-beamWide flange and large lateral rigidity. Good bending resistance.The two surfaces of the flanges are mutually parallel so that the connection, processing and installation are simple and convenient.Compared with the general steel, the utility model has the advantages of low cost, high precision, little residual stress, no expensive welding materials and welding seam detection, and the cost of steel structure production is saved by about 30%.Under the same section load, the weight of hot-rolled H steel structure is less than that of traditional structure 15%-20%.Compared with the concrete structure, the I-beam structure can increase the use area of 6%, while the weight of the structure can be reduced by 20% and 30%, and the internal force of the structural design can be reduced.The I-beam can be processed into T steel, and the castellated beams can form various section forms to meet the demands of engineering design and manufacture.

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