1.25″ 1018 CR Steel Square Bar
$20.08 – $104.25
SKU: 42e2e0fa1780
Specifications
Introducing the 1018 CR Steel Square Bar, a premium choice for precision and durability. Made from high-quality 1018 cold-rolled steel, this square bar offers superior machinability, excellent surface finish, and enhanced mechanical properties. Ideal for shafts, frameworks, and precision parts, it provides consistent performance and easy weldability. Choose the 1018 CR Steel Square Bar for reliable quality in your construction and manufacturing projects.
Mechanical Properties
| Ultimate Tensile Strength | 85,000 |
| Yield Strength | 70,000 |
| Brinell Hardness | 167 |
| Elongation | 28% in 2 |
| Machinability and Weldability Machinability is rated at 78% of B1112. Average cutting speed 130 ft/min. This grade is easily welded by all welding processes including gas, air, and submerges arc, and the resultant welds and joints are of extremely high quality. Preheat and post-weld heating is generally not necessary. |
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| Tolerances Rounds Up to 1-.25" incl. -0.002 Over 1-1/2 to under 2-1/2 -0.003 Over 2-1/2 to 4" incl. -0.004 Over 4 to 6" incl. -0.005 Over 6 to 8" incl. -0.006 Squares Hex Up to .75" incl. -0.002 -0.002 Over 3/4 to 1-1/2 incl. -0.003 -0.003 Over 1-1/2 to 2-1/2 incl -0.004 -0.004 Over 2-1/2 to 4" incl -0.005 -0.005 Over 4 to 5" incl -0.010 - Flats (Width in Inches)* Up to 3/4 incl -0.003 Over 3/4 to 1-1/2 incl -0.004 Over 1-1/2 to 3" incl -0.005 Over 3 to 4" incl -0.006 Over 4 to 6" incl -0.008 Over 6" -0.013 *Width governs the tolerances for both width and thickness of flats. For example, for a flat 1 x 2", the width and thickness tolerance is +.000" / -.005" |
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Technical Specifications
| ASTM A29 |
| ASTM A108 |
Chemistry
| C | 0.15-0.2 |
| Mn | 0.6-0.9 |
| P | 0.04 |
| S | 0.05 |