Hr Flatbar 1/8 - 3/8
HR Flatbar 1/8–3/8 is a hot-rolled steel flat bar designed for use in structural, industrial, and fabrication applications. Its thinner profile makes it ideal for lighter-weight support, bracing, and custom fabrication tasks.
This hot-rolled flat bar offers solid strength, excellent durability, and good workability, making it a cost-effective option for welding, cutting, and forming in a variety of general-purpose construction and maintenance projects.
HR Flatbar 1/8–3/8 is a hot-rolled steel flat bar designed for use in structural, industrial, and fabrication applications. Its thinner profile makes it ideal for lighter-weight support, bracing, and custom fabrication tasks.
This hot-rolled flat bar offers solid strength, excellent durability, and good workability, making it a cost-effective option for welding, cutting, and forming in a variety of general-purpose construction and maintenance projects.
Specifications
Additional Notes
Mill tolerances apply; 1/16" strip flats may have slight curvature or twist.
Available Stock Sizes
2ft, 4ft, 6ft, 8ft, 10ft, 20ft, or custom cut to size.
Measurement Guide
Thickness (A) x Width (B) x Length.
PageTitle
HR Steel Flat Bar, Hot Rolled 1 8 to 3 8 Thickness for Bracing, Fabrication, and Repairs
Specifications
ASTM A36, ASTM A1011.
Surface Finish
A569 is smooth, A36 is slightly grainy, mill finish.
Workability
Easy to weld, cut, form, and machine.
Applications
Used for general purpose structural and mechanical applications such as bracing, framing, and brackets.
Commonly used in industrial maintenance, transportation, shelving, sculptures, and construction equipment.
Commonly used in industrial maintenance, transportation, shelving, sculptures, and construction equipment.
Chemical Composition
Carbon (C): 0.26%.
Copper (Cu): 0.2%.
Iron (Fe): 99%.
Manganese (Mn): 0.75%.
Phosphorus (P): 0.04% max.
Sulfur (S): 0.05% max.
Copper (Cu): 0.2%.
Iron (Fe): 99%.
Manganese (Mn): 0.75%.
Phosphorus (P): 0.04% max.
Sulfur (S): 0.05% max.
Mechanical Properties
Yield Strength: 36,000 psi.
Ultimate Tensile Strength: 58,000 psi.
Elongation: 23% in 2".
Brinell Hardness: 140.
Density: 0.282 lb/in³ (7.8 g/cc).
Shear Strength: 43,500 psi.
Melting Point: 2,590 - 2,670°F (1,420 - 1,460°C).
Ultimate Tensile Strength: 58,000 psi.
Elongation: 23% in 2".
Brinell Hardness: 140.
Density: 0.282 lb/in³ (7.8 g/cc).
Shear Strength: 43,500 psi.
Melting Point: 2,590 - 2,670°F (1,420 - 1,460°C).
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1/8" X 1/2" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 3/4" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 1" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 1-1/4" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 1 1/2" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 2" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 2-1/2" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 3" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 4" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 5" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 6" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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1/8" X 8" Steel Flat Bar
.125" A36 Multigrade Hot Rolled
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3/16" X 1/2" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 3/4" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 1" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 1-1/4" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 1-1/2" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 2" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 2 1/2" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 3" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 4" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 5" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 6" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 8" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 10" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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3/16" X 12" Steel Flat Bar
.188" A36 Multigrade Hot Rolled
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1/4" X 3/4" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 1" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 1-1/4" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 1-1/2" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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.250" A36 Multigrade Hot Rolled
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1/4" X 2-1/2" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 3" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 3 1/2" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 4" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 5" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 6" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 8" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 10" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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1/4" X 12" Steel Flat Bar
.250" A36 Multigrade Hot Rolled
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3/8" X 1" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 1-1/4" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 1-3/8" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 1-1/2" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 2" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 2-1/2" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 3" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 3 1/2" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 4" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 5" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 6" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 7" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 8" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 9" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 10" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 11" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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3/8" X 12" Steel Flat Bar
.375" A36 Multigrade Hot Rolled
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