Hot rolled steel channels stand as versatile and essential building materials renowned for their structural reliability and adaptability. Fabricated through the hot rolling process, these channels are crafted from high-quality steel, offering superior strength and durability. Their distinct "C" or "U" shape provides excellent load-bearing capabilities in various construction applications, including framing, supports, and reinforcement. These channels excel in distributing weight and resisting bending, making them integral in constructing frameworks for buildings, bridges, and machinery. The hot rolling technique enhances their mechanical properties, ensuring resilience against heavy loads and harsh environmental conditions. Their flexibility in design and ease of installation make them a preferred choice across diverse architectural and engineering projects, contributing to stability, longevity, and structural integrity.
Property | Range (mm) | Tolerance (mm) | Designation | ||
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Height H |
H ≤ 65 65 < H ≤ 200 200 < H ≤ 400 400 < H |
± 1.5 ± 2.0 ± 3.0 ± 4.0 |
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Flange Width B |
B ≤ 50 50 < B ≤ 100 100 < B ≤ 125 125 < B |
± 1.5 ± 2.0 ± 2.5 ± 3.0 |
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Web Thickness t |
t ≤ 10 10 < t ≤ 15 15 < t |
± 0.5 ± 0.7 ± 1.0 |
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Flange Thickness T |
T ≤ 10 10 < T ≤ 15 15 < T |
Tolerance Limited by Weight |
- 0.5 - 1 - 1.5 |
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Heel Radius r3 |
All Sizes | <0.3 * t | |||
Out of squareness (k,k1) | B ≤ 100 100 < B |
2 2% of B |
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Web Flatness f |
H ≤ 100 100 < H ≤ 200 200 < H ≤ 400 400 < H |
± 0.5 ± 1.0 ± 1.5 ± 1.5 |
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Straightness qxx |
H ≤ 150 150 < H ≤ 300 300 < H |
0.30% L 0.20% L 0.15% L |
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Straighness qyy |
H ≤ 150 150 < H ≤ 300 300 < H |
0.50% L 0.30% L 0.20% L |
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Mass per Unit Length kg/m |
H≤ 125 125 <H |
±6.0% ±4.0% |
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Standard Length | All | 100 | 0 | ||
Alternative Standard (by agreement) L |
All | 50 | -50 |