Products Description
Q345 Steel: Q345A, Q345B, Q345C, Q345D & Q345E
Q345 steel is a Chinese standard low alloy high strength structural steel. The material has a minimum yield strength of 345 MPa (50 ksi), and tensile strength of 470-630 Mpa (68-91 ksi). It has better properties than Q235. According to GB/T 1591 – 2008, Q345 material has 5 quality grades: Q345A, Q345B, Q345C, Q345D and Q345E.
Meaning & Designation
"Q" is short for Pinyin: "Qu", which means Yield strength;
"345" indicates the steel has a minimum value of yield strength 345 MPa for steel diameter/thickness ≤16mm.
A, B, C, D and E indicate the quality grade.
Q355 Steel: Q355B, Q355C, Q355D
Q355 steel is a low alloy high strength structural steel commonly used in China, which replaced Q345. The material has a minimum yield strength of 355 MPa (51 ksi) and a tensile strength of 470-630 Mpa (68-91 ksi). According to GB/T 1591 -2018, Q355 has 3 steel grades: Q355AR, Q355M and Q355N, and these steel grades are indicated by the suffix letters B, C, D, E, F for quality grades.
Q355: Q355B, Q355C and Q355D.
Q355M: Q355MB, Q355MC, Q355MD, Q355ME, Q355MF
Q355N: Q355NB, Q355NC, Q355ND, Q355NE, Q355NF
Uses of Channel bars
Channel bars have various uses in construction.
Build walls
Channel bar is used to construct walls for garages, warehouses, workshops, and buildings.
2.Frame support
Channel bar is used to secure window and door frames , stringers and joists.
3.Railings
Channel bar is also used as railings, bridge trusses, and guard rails.
4.Rafters for lightweight roof
Channel bar is also utilized to support the weight of the roof deck.
Product Details
| Product Name | Q345 Q355 channel steel |
| Length | As your required |
| Standard | ASTM/ GB/ JIS/ EN ect. |
| Delivery Time | According to your quantity |
| Payment Terms | FOB/ CIF/ EXW/ DDP |
| Origin | China |
| Sample | Yes |
| Tolerance | ±0.3 |
| Packing | Packed with steel belts tightly, in bundle |
GNEE Group Receives Visiting Customers
We are experts in the supplying of materials to meet the individual requirements of a project, regardless of size, scope or difficulty. As a specialized supplier of highly qualified products such as Seamless/Welded Pipe and Tube, Plate and Equipment for industries such as Pressure Vessel, Heat Exchanger. We mainly service for industry of Oil & Gas, Petrochemical, Power Generation, Onshore & Offshore and other industry and energy field over the world.The services and support we provide are tailored to the needs of a particular customer and project, and are driven by in-depth knowledge of the products, and we are aware of the importance of high quality, on-time delivery and the pressures of meeting fabrication schedules, and also the importance of accurate and up-to-date reporting.Since our establishment, we have been servicing our customers and the projects in Canada, South America, Southeast Asia, Central Asia, Middle East, South Africa, North Africa and North Europe market.