What are the specifications and materials of H-beams?

H-beams are made from a variety of materials, commonly including carbon structural steel such as Q235 and Q345, as well as alloy steel with higher strength and performance. Their specifications are mainly represented by a set of numbers, such as H200x200x8x12, representing different sizes of H-beams, specifically indicating the model (e.g., H-beam), height (H), and other parameters.

What is an H-beam?

An H-beam is an economical and efficient profile with a more optimized cross-sectional area distribution and a more reasonable strength-to-weight ratio. It is named for its cross-section resembling the letter "H". Because all parts of an H-beam are arranged at right angles, it has advantages such as strong bending resistance in all directions, simple construction, cost savings, and lightweight structure, and has been widely used.
 

Some typical advantages of H-beams are as follows:

When observing the structure of an H-beam, you can certainly appreciate its excellent balance and extremely high structural safety.
With its robust, durable, and high load-bearing capacity, H-beams are suitable for a wide range of construction projects, including those with high vibration load requirements, harsh environments, and demanding technical specifications.
It is worth noting that the domestic H-beam market in my country offers a great variety of styles, sizes, weights, and thicknesses. However, each type possesses different technical characteristics to meet the specific needs of a project. Based on these different requirements, customers can choose the most suitable type of steel.

Complete List of H-Beam Specifications
Below are some common H-beam specifications for your reference:
 

No	Product name	Length (m)	Weight (m)
H beam JIS G3101 SS400
1	H 100 x 100 x 6 x 8 Chn	12	206,4
2	H 125 x 125 x 6.5 x 9 Chn	12	285,6
3	H 150 x 150 x 7 x 10 Chn	12	378
4	H 200 x 200 x 8 x 12 China	12	606
5	H 250 x 250 x 9 x 14 China	12	868,8
6	H 300 x 300 x 10 x 15 China	12	1.128
7	H 350 x 350 x 12 x 19 Chn	12	1.644
8	H 400 x 400 x 13 x 21 Chn	12	2.064
9	H 488 x 300 x 11 x 18 Chn	12	1.536
10	H 588 x 300 x 12 x 20 Chn	12	1.812
11	H 390 x 300 x 10 x 16 Chn	12	1.284
12	H 175 x 175 x 7.5 x 11 Chn	12	484,8
13	H 294 x 200 x 8 x 12 Chn	12	681,6
14	H 200 x 200 x 8 x 12 JIS G3101	12	598,8
15	H 340 x 250 x 9 x 14 Chn	12	956,4

H-beam Material

The material of H-beams directly affects their mechanical properties and service life. Commonly used materials include:

1. Q235: Plain carbon steel, with moderate strength, good plasticity and weldability, mainly used in ordinary building structures.

2. Q345: Low-alloy high-strength steel, with high strength and good toughness, widely used in bridges, high-rise buildings, and mechanical structures.

3. Q420, Q460: High-strength low-alloy steel, suitable for structures with high load-bearing requirements, large spans, or special environmental conditions.

4. Other special steels, such as corrosion-resistant steel and low-temperature resistant steel, can be customized according to special project requirements.