Products Description
Q345 Physical Properties
| Physical Properties | Metric | US/Imperial |
| Density | 7.80 g/cc | 0.282 lb/in³ |
Q345 Mechanical Properties
| Mechanical Properties | Metric | US/Imperial |
| Hardness, Brinell | 135 | 135 |
| Hardness, Rockwell B | 74 | 74 |
| Tensile Strength, Ultimate | 450 MPa | – |
| Tensile Strength, Yield | 345 MPa | – |
| Elongation at Break | 18 % | 18 % |
| 21 % | 21 % | |
| Bulk Modulus | 160 GPa | 23200 ksi |
| Shear Modulus | 80.0 GPa | 11600 ksi |
S235JR | 1.0038: Properties according to DIN EN 10 025-2
Steel type
| Short designation | VDA239-100 | Material number |
| S235JR | - | 1.0038 |
S235JR | 1.0038: Chemical composition (heat analysis)
| Percentage by weight % max. | ||||||
| C | Si | Mn | P | S | N | Cu |
| 0.17 | - | 1.40 | 0.035 | 0.035 | 0.012 | 0.55 |
How Steel Channels are Made
A steel channel is a structure made of hot-rolled mild steel. The interior corners of steel channels have a specified radius. This provides the strength and rigidity they need to sustain steel angles and building projects. With the correct equipment and proportions, they're fairly simple to prepare. Steel channels are usually manufactured to ASTM 36 dimensional specifications.
Steel channels are usually subjected to extra inline fabrication after being hot-rolled. They are coated or galvanized after fabrication to make them corrosion-resistant. Steel channels can be cut, drilled, or machined according to given specifications. They can also be easily welded. The laser fusion technique is commonly used to create large channels.

Product Details
| Product Name | Q345 S235JR c 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 |
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