HOT ROLLED FLAT BAR
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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Specifications of MS Channel:
1.We supply high quality MS Channel at reasonable price, including Chinese standard, Japanese standard and so on.
Standard | GB/JIS |
Material Grade | Q235,SS400 |
Technique: | Hot Rolled |
Sizes as per chinese standard: | 50*37*4.5mm - 300*89*11.5mm |
Sizes as per japanese standard: | 50*25*3mm – 200*80*7.5mm |
Length: | 6meter, 9meter, 12meter |
Note: 1.we are also competent to provide our customers other MS Channel based on other sizes according to customer’s requirements.
2. The length of our ms channel could be cut into other meters as per customer’s requirements. For example, the channel in 6meters could be cut into 5.8meters in order to be fit in the 20ft container.
2. The detailed sections of MS Channel as per GB standard.are shown in the table-1:
GB U CHANNEL | Standard | Sectional | Dimension |
| Mass: |
| (mm) | (mm) | (mm) | (mm) |
|
50X37 | 50 | 37 | 4.50 | 7.0 | 5.438 |
63X40 | 63 | 40 | 4.80 | 7.5 | 6.634 |
80x43 | 80 | 43 | 5.00 | 8.0 | 8.045 |
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100x48 | 100 | 48 | 5.30 | 8.5 | 10.007 |
120x53 | 120 | 53 | 5.50 | 9.0 | 12.059 |
140x58 | 140 | 58 | 6.00 | 9.5 | 14.535 |
140x60 | 140 | 60 | 8.00 | 9.5 | 16.733 |
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160x63 | 160 | 63 | 6.50 | 10.0 | 17.240 |
160x65 | 160 | 65 | 8.50 | 10.0 | 19.752 |
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180x68 | 180 | 68 | 7.00 | 10.5 | 20.174 |
180x70 | 180 | 70 | 9.00 | 10.5 | 23.000 |
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200x73 | 200 | 73 | 7.00 | 11.0 | 22.637 |
200x75 | 200 | 75 | 9.00 | 11.0 | 25.777 |
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220x77 | 220 | 77 | 7.00 | 11.5 | 24.999 |
220x79 | 220 | 79 | 9.00 | 11.5 | 28.453 |
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250x78 | 250 | 78 | 7.00 | 12.0 | 27.410 |
250x80 | 250 | 80 | 9.00 | 12.0 | 31.335 |
250x82 | 250 | 82 | 11.00 | 12.0 | 35.260 |
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| |
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280x82 | 280 | 82 | 7.50 | 12.5 | 31.427 |
280x84 | 280 | 84 | 9.50 | 12.5 | 35.823 |
280x86 | 280 | 86 | 11.50 | 12.5 | 40.219 |
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300x85 | 300 | 85 | 7.50 | 13.5 | 34.463 |
300x87 | 300 | 87 | 9.50 | 13.5 | 39.173 |
300x89 | 300 | 89 | 11.50 | 13.5 | 43.883 |
Table-1
3. The chemical composition of HR Channel Steel according to Q235B is shown in Table-2.
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-2
Note: we are able to present our customers relevant SGS test report for chemical composition of HR Channel Steel.
4. The mechanical property of HR Channel Steel according to Q235B is shown in Table-3-1 and Table-3-2
Alloy No | Grade | Yielding Strength Point(Mpa) | |||
Thickness(mm) | |||||
≦16 | ＞16-40 | ＞40-60 | ＞60-100 | ||
≧ | |||||
Q235 | B | 235 | 225 | 215 | 205 |
Table-3-1
Alloy No | Grade | Tensile Strength(Mpa) | Elongation After Fracture(%) | |||
| | Thickness(mm) | |||||
≦16 | ＞16-40 | ＞40-60 | ＞60-100 | |||
≧ | ||||||
G235 | B | 375-500 | 26 | 25 | 24 | 23 |
Table-3-2
Note: we are able to present our customers relevant SGS test report for mechanical property of MS Channel as customer’s request.
Applications of MS Channel:
The MS Channel 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 MS 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
- Q: What is the maximum length-to-thickness ratio for steel flat bars?
- The maximum length-to-thickness ratio for steel flat bars is typically around 200:1.
- Q: How do steel flat bars perform under load?
- Steel flat bars are known for their exceptional strength and durability, making them highly reliable under load. When subjected to a load, such as weight or pressure, steel flat bars are able to distribute and bear the load evenly across their entire surface. This is due to their flat and wide shape, which provides a larger contact area compared to other types of bars. Under load, steel flat bars exhibit minimal deflection or bending. This is because steel is a rigid material with high tensile and compressive strength, allowing it to withstand heavy loads without permanent deformation. Additionally, the flat shape of the bar helps to distribute the load along its length, preventing localized stress concentrations that could lead to failure. Steel flat bars also have excellent load-bearing capacity, meaning they can support heavy loads without breaking or collapsing. This is especially important in structural applications where the bars are used as beams or supports. Steel's high strength-to-weight ratio allows for the construction of lightweight structures that can withstand substantial loads. Furthermore, steel flat bars have good resistance to fatigue and creep, which are common failure mechanisms under prolonged or cyclic loading. This makes them suitable for applications where constant or repetitive loading is expected, such as in bridges, buildings, or machinery. In summary, steel flat bars perform exceptionally well under load. Their strength, rigidity, and load-bearing capacity make them a reliable choice for various applications requiring structural support or the ability to withstand heavy loads.
- Q: Are steel flat bars susceptible to warping or twisting?
- Yes, steel flat bars are susceptible to warping or twisting under certain conditions. Warping or twisting can occur due to various factors such as uneven heating or cooling during the manufacturing process, improper handling or storage, or excessive stress during use. Additionally, if the steel flat bars are not of high quality or have structural defects, they may be more prone to warping or twisting. It is important to handle and store steel flat bars properly, avoiding any situations that could lead to excessive stress or uneven heating/cooling. Regular inspections and maintenance can also help identify any signs of warping or twisting early on, allowing for appropriate measures to be taken to prevent further damage.
- Q: Can steel flat bars be heat-treated for increased hardness?
- Absolutely! Steel flat bars have the capability to undergo heat treatment for the purpose of enhancing their hardness. Heat treatment is an intricate procedure that entails heating the steel to a specific temperature and subsequently rapidly cooling it, resulting in a transformation of its microstructure and an improvement in its mechanical properties. The most commonly employed methods for increasing hardness through heat treatment are quenching and tempering. During the quenching process, the steel is heated to an elevated temperature and promptly cooled by immersing it in a quenching medium, such as oil or water. This swift cooling prompts the formation of a rigid and brittle phase known as martensite, which significantly heightens the steel's hardness. However, after the quenching stage, the steel often becomes excessively brittle and susceptible to cracking. To counteract this, it undergoes a tempering process. Tempering involves reheating the steel to a lower temperature and subsequently cooling it at a slower rate. This particular procedure mitigates the brittleness of the steel and enhances its toughness and ductility, while still maintaining a certain level of hardness. The precise parameters of the heat treatment, including the temperature and duration of heating, cooling rate, and tempering temperature, are contingent upon the composition of the steel and the desired level of hardness. It is of utmost importance to exercise meticulous control over these parameters to attain the desired hardness, while simultaneously avoiding any potential issues such as cracking or distortion. In summary, steel flat bars can indeed be subjected to heat treatment in order to augment their hardness. This process, encompassing quenching and tempering, effectively transforms the microstructure of the steel, improving its mechanical properties and rendering it suitable for a wide array of applications that necessitate high levels of hardness and strength.
- Q: Are steel flat bars available in different surface roughness options?
- Different surface roughness options are available for steel flat bars. The manufacturing process and intended use of the product can cause the surface roughness of steel flat bars to vary. Steel flat bars can have a smooth, polished surface finish, which is often used for decorative purposes or in applications where a clean and aesthetically pleasing appearance is desired. Conversely, a rougher surface finish can also be applied to steel flat bars, which is commonly used in industrial or heavy-duty applications where improved grip or enhanced friction is necessary. The production process allows control of the surface roughness of steel flat bars through techniques such as grinding, sandblasting, or chemical treatments. As a result, customers can choose steel flat bars with different surface roughness options based on their specific requirements and preferences.
- Q: What is the maximum width of a steel flat bar?
- The specific manufacturing process and desired application can cause variations in the maximum width of a steel flat bar. Typically, steel flat bars are available in widths ranging from 1/8 inch to 12 inches, although certain specialty manufacturers might offer wider alternatives. To ascertain the precise maximum width for a particular type of steel flat bar, it is essential to consult with a steel supplier or manufacturer.
- Q: Can steel flat bars be easily machined?
- Yes, steel flat bars can be easily machined.
- Q: What are the maximum allowable spans for steel flat bars?
- The maximum spans that steel flat bars can have are subject to variation based on a range of factors, including the applied load, steel type, and intended use. Typically, the determination of the maximum span for steel flat bars involves consideration of deflection, bending stress, and safety factors. For lighter applications and smaller loads, steel flat bars may have maximum spans ranging from a few feet to several feet. However, in the case of heavier loads and structural applications, the maximum allowable spans could be significantly reduced to ensure structural integrity and prevent excessive deflection. Engineers and designers employ various calculations and design codes, such as the American Institute of Steel Construction (AISC) standards, to establish the maximum allowable span for steel flat bars. These standards outline guidelines for maximum allowable stress, deflection limits, and safety factors that should be taken into account during the determination of the span. To ascertain the specific maximum allowable spans for steel flat bars, it is crucial to consult a structural engineer or refer to relevant design codes and standards that align with the particular application and load requirements.
- Q: How do you check the straightness of a steel flat bar?
- To check the straightness of a steel flat bar, you can simply lay it on a flat surface and visually inspect it for any bends, twists, or warping. Additionally, you can use a straight edge or a level to verify if the bar lies flat with no gaps or deviations along its length.
- Q: Can steel flat bars be used for making brackets or supports for electrical installations?
- Yes, steel flat bars can be used for making brackets or supports for electrical installations. Steel is a strong and durable material, making it suitable for providing stability and support to electrical components. Additionally, steel's resistance to heat and corrosion makes it a reliable choice for electrical installations.
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HOT ROLLED FLAT BAR
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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