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Home / Assemblies / UL X260
UL X2601-hr Fire RatingColumnLoad-Bearing
Structural SteelDesign

Steel Column — Concrete fill (HSS)

UL-listed 1-hour fire-rated steel column assembly. HSS round steel column with Concrete fill (HSS), 1-hour fire rating.

Cross-Section Diagram

12COLUMN PROTECTIONSECTION · NOT TO SCALE2 LAYERSsee legend for ① ② ③
Legend
1HSS round steel column(17")
2Concrete fill (HSS)(2.0")

Specifications

Fire Rating
1-Hour
Load Bearing
Yes
Total Thickness
21"
Source / Publisher
UL (Underwriters Laboratories)
Design Number
X260
Assembly Type
Column
Test Standard
CAN/ULC-S101
Construction Group
Non-Combustible
Number of Layers
2 layers

Applicable Codes

NFPA 5000IBC 2021 §722

Construction Summary

HSS round steel column with Concrete fill (HSS), 1-hour fire rating

Material Layers

LayerMaterialThickness
1HSS round steel column17"
2Concrete fill (HSS)2.0"

Important Notice

This assembly listing is for reference only. Always verify against the current UL Product iQ database before specifying in construction documents. Material substitutions may void the fire rating. Consult with a qualified fire protection engineer for project-specific requirements.