Products Description
Q355 Overview
Q355 steel is a low alloy, high-strength steel that is used in welded structures supporting stress and heavy loads. The Q references the yield point, while the number 355 indicates its yield strength. It also replaced Q345.
Q355 Equivalent Materials
Q355 can be replaced with equivalent materials, including A572 Grade 50 USA ASTM, Q355 China GB/T, and SPFC 590 Vietnam/Japanese JIS.
Q345 :
| C | Si | Mn | P | S | Nb | V | Ti | Cr | Ni | Cu | N | Mo | Als |
| ≤0.18 | ≤0.50 | ≤1.70 | ≤0.030 | ≤0.025 | ≤0.07 | ≤0.15 | ≤0.20 | ≤0.30 | ≤0.50 | ≤0.30 | ≤0.012 | ≤0.10 | ≥0.015 |
Both The I-Beam and H-Beam are Very Versatile and Can Be Used For Various Applications.
Both the I-beam and H-beam are very versatile and can be used for various applications.
They are both structural steel beams that have been developed to provide support for buildings and other structures.
The main difference between these two types of beams is their shape. An "I" beam has a triangular cross-section, while an "H" beam has a rectangular one (hence the name).
Another difference between them is that an "H" beam is usually longer than an "I" beam of similar size and weight capacity. This means that an H-beam will take up more space when installed, but it also offers greater strength when carrying heavy loads over long spans or lengths; whereas an I-beam may be better suited to handling smaller loads over short span lengths due to its increased stiffness (less flexibility).
As a result, H beams are generally considered to be more durable than I beams due to their greater weight and stiffness. However, there are several variables that can influence a beam's strength and performance, including its manufacturing process, composition, and design. Ultimately, it is up to individual engineers and designers to choose which type of beam is ideal for a particular purpose.
Product Details
| Product Name | Q345 Q355 beam h |
| 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 |
customer visit
Our factory has complete production facilities, and provides laser cutting , bending, welding, painting, assembly and other processing services.
We have own large-scale indoor warehouse with perennial spot stocks totally above 5000 tons mainly include 2000 tons galvanized
steel series and 2500 tons carbon steel series
All the products have to pass the inspections such as tension test, hardness test, spectrophotometer test, salt spray test and PH
test before leaving the factory .
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5.Small quantity acceptable ''Every ton is valuable to us''