JIS U Channels with High Quality and Competitive Price

JIS U Channels with High Quality and Competitive Price System 1

JIS U Channels with High Quality and Competitive Price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t

Supply Capability:: 10000 m.t/month

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Product Description:

Minimum Order Quantity:	25MT	Unit:	m.t.	Loading Port:	Xingang Port
Supply Ability:	120000TON/Year	Payment Terms:	TT or LC

Product Applications:

Japanese Standard U-channels are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's Japanese Standard U-channels are durable, strong, and resist corrosion.

Main Product Features:

· Premium quality

· Prompt delivery & seaworthy packing (30 days after receiving deposit)

· Corrosion resistance

· Can be recycled and reused

· Mill test certification

· Professional Service

· Competitive pricing

Product Specifications:

Manufacture: Hot rolled

Grade: Q195 – 235

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

1. We are definitely speciallizing in manufacturing and supplying channel steel as per japanese standard, which is characterised with high mechanical strength and competitive prices.

Original Place	Tangshan, China	Brand Name	UINDA
Standard	JIS G3192 : 1990
Material Grade	SS490
Sizes	50mm to 200mm
Sales Volume/Year	3000MT
Destination Area	Middle East, Africa, Southeast Asia

2. The sections in details are as followings in the table-1

JIS U CHANNEL	Standard h	Sectional b	Dimension s	t	Mass: Kg/m
	(mm)	(mm)	(mm)	(mm)
50x25	50	25	3.0	6.00	2.37
75X40	75	40	3.8	7.00	5.30
75X40	75	40	4.0	7.00	5.60
75X40	75	40	4.5	7.00	5.85
75X40	75	40	5.0	7.00	6.92

100X50	100	50	3.8	6.00	7.30
100X50	100	50	4.2	6.00	8.03
100X50	100	50	4.5	7.50	8.97
100X50	100	50	5.0	7.50	9.36

125X65	125	65	5.2	6.80	11.66
125X65	125	65	5.3	6.80	12.17
125X65	125	65	5.5	8.00	12.91
125X65	125	65	6.0	8.00	13.40

150x75	150	75	5.5	7.30	14.66
150x75	150	75	5.7	10.00	16.71
150x75	150	75	6.0	10.00	17.90
150x75	150	75	6.5	10.00	18.60
150x75	150	75	6.5	10.00	24.00

200X80	200	80	7.5	11.00	24.60

Table-1

3. The mechanical property of JIS U Channel Steel in the table-2:

Grade	Yield Strength，N/mm²				Extension Strength N/mm²
	Thickness of Steel,mm
	≦16	＞16-≦40	＞40-≦100	＞100
SS490	≧285	≧275	≧255	≧245	490-610

Table-2

4. The chemical composition of JIS U Channel Steel as per SS490 in the table-3

Grade	Element(%)
Grade	C	Mn	P	S
SS490	-	-	≦0.050	≦0.050

Table-3

FAQ:

Q1: Why buy Materials & Equipment from OKorder.com?

A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.

Q2: How do we guarantee the quality of our products?

A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.

Q3: The products are invoicing on theoritical weight or on actual weight?

A3: We can do it in both manners, according to the customers' request.

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JIS U Channels with High Quality and Competitive Price

Q: How do steel channels contribute to the overall longevity of a structure?: Steel channels contribute to the overall longevity of a structure by providing structural support and reinforcement. They distribute the weight and load evenly, preventing excessive stress on other components of the structure. Additionally, steel channels have high tensile strength and resistance to corrosion, ensuring that the structure remains strong and durable over time.

Q: What type of channel is used for the type of room with a span of 4 meters?: I-beam, also called steel girder, is a long strip steel with cross section. The specifications are expressed by the height of the waist (H) * leg width (b) * waist thickness (d), such as "work 160*88*6", which means that the waist height is 160 mm, the width of the leg is 88 mm, and the thickness of the waist is 6 mm. The specifications of I-beam can also be expressed by type. The model indicates the height of centimeters, such as 16#. The same height of the I-beam, if there are several different leg width and waist thickness, should be added on the right side of the model a, B, C to distinguish, such as 32a#, 32b#, 32c# and so on. The I-beam is made of ordinary I-beam and light I-beam, and the specification for hot-rolled ordinary I-beam is 10-63#. Standard Specification for hot-rolled ordinary I-beam supplied by supply and demand agreement is 12-55#. I-beam is widely used in various building structures, bridges, vehicles, supports, machinery and so on.

Q: What are the fire rating requirements for steel channel structures?: The fire rating requirements for steel channel structures are dependent on a variety of factors, which include the building code, occupancy type, and the purpose of the structure. The overall aim is to ensure the safety of occupants and prevent fire from spreading. Fire ratings for steel channel structures are determined by building codes, which take into account the occupancy classification and the height of the structure. For instance, in the United States, the International Building Code (IBC) outlines specific fire resistance requirements for residential, commercial, and industrial buildings. The fire rating of a steel channel structure signifies the amount of time it can endure the effects of fire without compromising its structural integrity. This rating is typically expressed in minutes or hours. A higher fire rating indicates that the structure can withstand fire for a longer duration, allowing more time for evacuation and firefighting. There are various methods used to achieve the required fire rating. One common approach involves applying fire-resistant materials like fire-rated gypsum board or intumescent coatings to the steel channels. These materials provide insulation and shield the steel from the intense heat during a fire. Additionally, structural engineers may incorporate specific fire-resistant features into the design of steel channel structures, such as fireproofing coatings, fire barriers, or fire-resistant insulation. These measures help prevent the rapid spread of fire and minimize heat-related damage. To determine the specific fire rating requirements for steel channel structures in a particular jurisdiction, it is crucial to consult the local building code and engage the services of a qualified structural engineer. Adhering to these requirements ensures that the structure meets necessary safety standards and can effectively withstand fire incidents.

Q: What does channel C20 mean?: Channel steel is divided into ordinary channel steel and light channel steel. Standard Specification for hot-rolled plain channel steel is 5-40#. Specifications for hot rolled flexible channel steel supplied by supply and demand agreement are 6.5-30#. Channel steel is mainly used for building structures, vehicle manufacturing, other industrial structures and fixed plates, cabinets, etc., and channel steel is often used in conjunction with i-beam.

Q: The following steel is not section bar, is it? A. thread steel, B. steel pipe, C. track, D. channel steel: C orbitals are a combination of many materials. The other 3 are single profiles.

Q: Can steel channels be used for curtain wall framing?: Yes, steel channels can be used for curtain wall framing. They provide structural support and can withstand the required loads and pressures associated with curtain wall systems.

Q: Are there any limitations to using steel channels in construction?: Yes, there are limitations to using steel channels in construction. Some of the limitations include their susceptibility to corrosion if not properly protected, their relatively high weight compared to other materials, and the need for skilled labor and specialized equipment for installation. Additionally, steel channels may not be suitable for certain applications that require non-magnetic or non-conductive materials.

Q: What are the different types of corrosion protection for steel channels?: There are several different types of corrosion protection methods available for steel channels, depending on the specific requirements and environmental conditions. Some of the common methods are: 1. Galvanization: This is one of the most popular methods of corrosion protection for steel channels. In this process, the channels are coated with a layer of zinc, which acts as a sacrificial anode and prevents corrosion by corroding itself instead of the steel. 2. Powder coating: Powder coating involves applying a dry powder to the channels and then baking it in an oven to create a protective layer. This method provides excellent corrosion resistance and can also enhance the aesthetics of the channels. 3. Epoxy coatings: Epoxy coatings are commonly used for corrosion protection in aggressive environments. These coatings form a strong and durable barrier against moisture and chemical exposure, preventing the steel channels from corroding. 4. Paint coatings: Paint coatings can provide a cost-effective solution for corrosion protection. Multiple layers of paint are applied to the steel channels, creating a barrier between the metal and the corrosive elements in the environment. 5. Hot-dip galvanizing: Similar to galvanization, hot-dip galvanizing involves immersing the steel channels in a bath of molten zinc. This process provides a thicker and more durable layer of protection compared to regular galvanization. 6. Cathodic protection: Cathodic protection is a technique used to protect steel channels by making them the cathode in a corrosion cell. This is achieved by connecting the channels to a sacrificial anode, such as zinc or magnesium, which corrodes instead of the steel. 7. Stainless steel: Using stainless steel channels is another effective way to prevent corrosion. Stainless steel contains a high percentage of chromium, which forms a passive oxide layer on the surface, protecting it from corrosion. It is important to choose the appropriate corrosion protection method based on factors such as the environment, expected lifespan, and cost considerations to ensure the longevity and durability of steel channels.

Q: What are the different methods of surface treatment for steel channels?: There are several different methods of surface treatment for steel channels, each offering unique benefits and characteristics. Some of the commonly used methods are: 1. Hot-dip galvanizing: This method involves immersing the steel channels in a bath of molten zinc. The zinc coating provides excellent corrosion resistance and protects the steel from rust and other environmental factors. It is a popular choice for outdoor applications where long-term durability is required. 2. Powder coating: Powder coating is a dry finishing process in which a powdered polymer is electrostatically applied to the steel channels and then cured under heat. This method provides a durable and attractive finish, with a wide range of colors and textures available. Powder coating also offers excellent resistance to chipping, scratching, and fading. 3. Electroplating: Electroplating involves depositing a thin layer of metal, such as chromium or nickel, onto the surface of the steel channels through an electrochemical process. This method enhances the corrosion resistance and improves the appearance of the channels. Electroplating can also increase the hardness and wear resistance of the steel. 4. Paint coating: Paint coating is a common method where a layer of paint is applied to the surface of the steel channels. This method provides a decorative finish and also protects the steel from corrosion and weathering. Different types of paints, such as epoxy, acrylic, or polyurethane, can be used based on the specific requirements of the application. 5. Anodizing: Anodizing is primarily used for aluminum, but it can also be applied to steel channels. This process involves creating an oxide layer on the surface of the metal through an electrochemical reaction. Anodizing improves the corrosion resistance, provides a decorative finish, and can also enhance the wear resistance of the steel. 6. Phosphating: Phosphating is a chemical process that involves applying a phosphate coating to the surface of the steel channels. This method improves the adhesion of paint or other coatings, provides a protective layer against corrosion, and can also enhance the lubricity of the steel. Each method of surface treatment for steel channels has its own advantages and is suitable for different applications. The choice of the treatment method depends on factors such as the intended use of the channels, the environmental conditions, and the desired appearance and performance characteristics.

Q: How do steel channels contribute to the overall cost-effectiveness of a building?: Steel channels contribute to the overall cost-effectiveness of a building by providing structural support and reducing the need for excessive materials. These channels are versatile and can be easily fabricated to fit specific requirements, which reduces waste and construction time. Additionally, steel channels have high strength-to-weight ratio, allowing for lighter building designs and lower transportation costs. Their durability and resistance to corrosion also result in long-term cost savings by minimizing maintenance and replacement expenses.

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