CARBON STEEL H BEAM Q345B
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Products Description
CARBON STEEL H BEAM Q345B is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa (datasheet tested with 16mm diameter steel bars or steel plates). According to GB/T 1591 – 2008, “Q” is the first letter of Chinese Pinyin: “qu fu dian”, which means Yield Point, “345” is short for 345 MPa. For datasheet and specification, please see the tables below.
Q345B H section steel chemical composition
| C | Si | Mn | P | S | V | Nb | Ti |
| 0.20 | 0.55 | 1.00-1.60 | 0.040 | 0.040 | 0.02-0.15 | 0.015-0.060 | 0.02-0.20 |
q345B h steel beam mechanical properties
| Thickness (mm) | ||||
|---|---|---|---|---|
| Q345B | ≤ 16 | > 16 ≤ 35 | > 35 ≤ 50 | >50 |
| Yield strength (≥Mpa) | 345 | 325 | 295 | 275 |
| Tensile strength (Mpa) | 470-630 | |||
CARBON STEEL H BEAM Q345B is a new type of steel for economic construction. The section shape of H-shaped steel is economical and reasonable, and H Beam Steel 's mechanical properties are good. The extension of each point on the section is more uniform and the internal stress is small during rolling. Compared with ordinary I-beam, H Beam Steel has the advantages of large section modulus, light weight, and metal saving, which can make building The structure is reduced by 30-40%;
Q345B Carbon steel beam product image
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.
about GNEE group
GNEE (Tianjin) Multinational Trade Co., Ltd. was established in 2008 and is located in Anyang City, Henan Province, with strategic location and convenient transportation. We are a professional manufacturing and sales company. Our company's products include various specifications of steel plates, steel pipes, bars, profiles, etc. With good reputation and rich operating experience, our company has close cooperative relations with many Chinese and foreign enterprises and has won the trust and recognition of customers:
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We can customize CARBON STEEL H BEAM Q345B and other products of different sizes and standards according to your needs, and provide customers with high-quality after-sales services. If you have any purchasing needs for steel products, please contact us!
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