The Difference Between UNP Iron and WF and H-Beam

In the construction world, there are many types of steel profiles used to suit structural needs. The three most commonly used are UNP, WF, and H-Beam. Although all structural steel profiles, they have different characteristics and functions. Let's discuss them in detail!

1. UNP (U-Channel) Steel
Shape and Characteristics

• U-shaped with parallel vertical sides.
• This is a channel profile widely used as a light to medium-weight support.
• Slimmer than WF or H-Beam.

Applications

• Roof or canopy frames
• Wall and partition supports
• Machine or vehicle frames
• Secondary beams in building construction

2. WF (Wide Flange) Steel

Shape and Characteristics

• H-shaped, but with wider flanges (horizontal wings).
• It has high compressive and tensile strength.
• Suitable for heavy construction with heavy loads.

Applications

• Main structure of multi-storey buildings
• Bridges
• Large industrial warehouses
• Main beams in buildings

3. H-Beam Steel
Shape and Characteristics

• Almost similar to WF, in the shape of the letter H.
• The difference: the flange and web of an H-Beam usually have the same thickness, making it stronger and more symmetrical.
• Heavier and stronger than WF.

Applications

• Large infrastructure projects (bridges, flyovers, ports)
• Skyscraper construction
• Piles or deep foundations

4. Brief Comparison

Profile Type	Shape	Characteristics	Common Applications
UNP	U	Light–medium, flexible, economical	Roof frames, partitions, canopies
WF	H (wide flange)	Strong in tension & compression, lighter than H-Beam	High-rise buildings, warehouses, bridges
H-Beam	H (equal flange & web thickness)	More rigid, heavy, symmetrical	Large infrastructures, foundations, tall buildings

 

Conclusion

• UNP is suitable for light to medium-sized construction.
• WF is ideal for main structures with heavy loads.
• H-Beam excels in heavy infrastructure projects that require extra strength.

The selection of steel profiles should be tailored to project needs for greater efficiency, safety, and durability.

? Looking for high-quality UNP, WF, or H-Beam steel for your project? Contact PT Intisumber Bajasakti:
? Tel: 021-66675999
? Web: intisumberbajasakti.com
✉️ Email: info@intisumberbajasakti.com

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