High Quality Q235 Q345 Ss400 Building Materials Carbon H Steel Beams

Jan 29, 2026

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Our High Quality Q235, Q345, and SS400 Carbon H Steel Beams stand as versatile and reliable building materials, engineered to cater to a wide spectrum of construction needs across residential, commercial, industrial, and civil infrastructure projects. As premium carbon structural steel grades compliant with international and national standards (GB/T 700 for Q235, GB/T 1591 for Q345, JIS G 3101 for SS400), these H beams combine exceptional mechanical performance, excellent processability, and consistent quality. Designed to meet the rigorous demands of modern building materials, they serve as core structural components that ensure safety, durability, and cost-effectiveness in diverse construction scenarios.

The reliability of these carbon H steel beams stems from the superior properties of their constituent materials-Q235, Q345, and SS400-each tailored to specific load-bearing requirements. Q235, a general-purpose carbon steel, offers a minimum yield strength of 235 MPa and tensile strength of 375-500 MPa, ideal for light to medium-duty structural components. Q345, a high-strength low-alloy steel, boasts a minimum yield strength of 345 MPa (for thickness ≤16mm) and tensile strength of 470-630 MPa, delivering enhanced load-bearing capacity for heavier structural applications. SS400, a globally recognized Japanese standard carbon steel, features a minimum yield strength of 245 MPa and tensile strength of 400-510 MPa, ensuring reliable performance in general construction. All three grades have controlled chemical compositions with low carbon content and minimal impurities, laying the foundation for excellent ductility, toughness, and weldability-critical attributes for building materials that require flexible fabrication and structural resilience.

All our Q235, Q345, and SS400 Carbon H Steel Beams are manufactured using advanced hot rolling technology, conducted at temperatures exceeding 1000°C, which is pivotal to their status as high-quality building materials. This process eliminates internal stresses within the steel, ensuring dimensional stability and long-term structural integrity-essential for components that bear persistent loads in buildings and infrastructure. Hot rolling also achieves uniform material homogeneity, eliminating microstructural inconsistencies that could compromise performance. A key advantage of these carbon steels is their excellent processability; the hot-rolled H beams can be seamlessly customized via cutting, drilling, bending, and welding. Compatible with standard welding processes (arc welding, MIG welding, TIG welding), they facilitate easy integration into complex structural assemblies, reducing construction time and labor costs for builders and contractors.

The iconic H-shaped cross-sectional design of these beams-characterized by two parallel flanges connected by a central web-maximizes structural efficiency, a key requirement for high-performance building materials. This geometry ensures optimal stress distribution under axial, bending, and shear loads, delivering exceptional bending stiffness and torsional resistance. Our Q235, Q345, and SS400 Carbon H Steel Beams are available in a comprehensive range of standardized dimensions (flange width, web thickness, overall depth) compliant with global industry standards, facilitating seamless integration into various building designs. The parallel flanges and flat surfaces also enable efficient connection with other building components (columns, floor slabs, brackets) using high-strength bolts or welding, enhancing construction efficiency and joint reliability.

As critical building materials, every Q235, Q345, and SS400 Carbon H Steel Beam undergoes stringent quality control protocols aligned with their respective standards (GB/T 700, GB/T 1591, JIS G 3101). Quality inspections cover multiple facets: comprehensive chemical composition analysis (via spectrometric testing) to verify material purity, mechanical property testing (tensile strength, yield strength, elongation, impact toughness) to confirm performance, and dimensional accuracy checks (using precision tools) to ensure adherence to specifications. Surface quality inspections are also conducted to minimize defects like cracks and scales, enhancing corrosion resistance and aesthetic appeal. For convenient logistics in building material supply chains, the beams are packaged in standardized, moisture-resistant materials to protect against damage and rust during transportation and storage.

Our High Quality Q235, Q345, and SS400 Carbon H Steel Beams are widely utilized as core building materials in diverse construction projects: Q235 for residential floor beams and light commercial framing, Q345 for industrial warehouses and mid-rise building columns, and SS400 for global general construction and infrastructure auxiliary components. Their combination of reliable performance, versatile material options, excellent processability, and cost-effectiveness makes them a preferred choice for engineers, contractors, and building material distributors worldwide. Whether for new construction, renovation, or expansion projects, these carbon H steel beams provide stable, safe, and economical structural solutions that meet the rigorous demands of modern building and infrastructure development.

 

 

 

 

European standard I-beam theoretical weight specification table

Specification

height

width

web thickness

wing thickness

theoretical weight

IPE80

80

46

3.8

5.2

6

IPE100

100

55

4.1

5.7

8.1

IPE120

120

64

4.4

6.3

10.4

IPE140

140

73

4.7

6.9

12.9

IPE160

160

82

5

7.4

15.8

IPE180

180

91

5.3

8

18.8

IPE200

200

100

5.6

8.5

22.4

IPE220

220

110

5.9

9.2

26.2

IPE240

240

120

6.2

9.8

30.7

IPE270

270

135

6.6

10.2

36.1

IPE300

300

150

7.1

10.7

42.2

IPE330

330

160

7.5

11.5

49.1

IPE360

360

170

8

12.7

57.1

IPE400

400

180

8.6

13.5

66.3

IPE450

450

190

9.4

14.6

77.6

IPE500

500

200

10.2

16

90.7

IPE550

550

210

11.1

17.2

106

IPE600

600

220

12

19

122

 

 

H beam

H beam

H beam