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ASTM A105 Hot Rolled SBQ Bar

ASTM A105 steel bar is a steel specification for low carbon forged components. Eaton Steel Bar Company stocks many diameters of A105 hot rolled steel rounds to meet the market demands. We supply A105 steel bar to various industries including oil & gas.

1018 hot-rolled-steel-bar


Typical applications for this grade of steel include pipes, valves and flanges.


Eaton Steel Bar Company can meet the following specifications for this grade:

  • ASTM A105

Shapes and Sizes

Eaton Steel Bar Company supplies A105 steel bar in a variety of sizes ranging from 3/4”- 5½”. The shapes available for this grade include:

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Standard "A105 Grade" Chemical Composition

Carbon (max) 0.35
Manganese* 0.60-1.05
Phosphorus (max) 0.035
Sulfur (max) 0.040
Silicon 0.10-0.35
Copper (max) 0.40
Nickel (max) 0.40
Chromium (max) 0.30
Molybdenum (max) 0.12
Vanadium (max) 0.08
Niobium (max) 0.02

*Manganese can be up to 1.35% with decrease in Carbon


Specified Mechanical Properties for "Grade A105"

Tensile strength (psi) min 70,000 psi
Yield strength (psi) min 36,000 psi
Elongation in 2” (%) min 22%
Reduction of area (%) min 30%
Brinell Hardness (BHN) max 187