Crafted from premium Q235 carbon steel, a material renowned for its balanced tensile strength (235MPa minimum yield strength) and ductility, this H-beam also meets the rigorous requirements of ASTM A36, a globally accepted standard for carbon structural steel. The alloy composition ensures excellent weldability, formability, and machinability, allowing for seamless integration into complex roof support frameworks while maintaining structural integrity under dynamic and static loads. The carbon steel base further provides inherent corrosion resistance when paired with appropriate surface treatments (e.g., galvanization, painting), extending service life even in harsh environmental conditions.
Structural Advantages
The H-beam's geometric design is optimized for roof support applications: the wide, flat flanges distribute compressive and tensile forces evenly, while the thickened web enhances shear resistance, minimizing deflection and deformation under the weight of roofing materials, snow loads, wind pressures, and other environmental stresses. Its lightweight-to-strength ratio outperforms traditional structural shapes (e.g., I-beams, channels), reducing overall building dead weight without compromising load-carrying capability-this translates to more efficient structural design, lower construction costs, and simplified installation processes. Additionally, the uniform cross-sectional dimensions ensure consistent performance across the beam length, facilitating precise fabrication and alignment during assembly.
Application Scope
Ideal for roof support systems in factories, warehouses, workshops, commercial buildings, and large-span structures, this Q235/ASTM A36 H-beam serves as primary load-bearing members, including main girders, secondary beams, and purlin supports. Its versatility extends to both new construction and renovation projects, where it contributes to structural stability, seismic resilience, and long-term operational safety. All beams undergo strict quality control measures, including dimensional inspection, material certification, and non-destructive testing, to ensure compliance with international engineering standards and customer specifications.
| COLOR | metal color |
| Material | Q345 Q235b |
| Certificate | ISO9001 |
| MOQ | 10 ton |
| Technology | Hot Rolled |
| China | Germany | France | British | America | Korea | Japan |
| GB | DIN | NF | BS | ASTM | KS | JIS |
| GB/T700 Q195~Q235 GB/T1591 Q345~Q460 GB/T699 8~85 15Mn~70Mn |
EN10025 S235JR=Q235B E275~E335 S335JR=Q345B S355NL=Q345E EN10113 S420NL=Q420B S460NL=Q460C |
S235JR E275~E335 S335JR S355NL S420NL |
S235JR E275~E335 E335JR S355NL S420NL |
A572M Gr50=Q345B Gr60=Q420B Gr65=Q460C A36/A36M =Q235 |
SS330 SS400=Q235B SS490=Q345B SS490M=Q355 SS540=Q420B |
G3101 SS440=Q235B SM400=Q235B G3135 SPFC590=Q345B SM520=Q355 G3124 SEV295=Q420 G3106 SM570=Q460 |






















