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A high manganese, medium carbon, resulphurized steel with free machining qualities and higher mechanical properties than the lower carbon steels. This grade machines at 83% of 1212 with excellent as machined finish. It induction hardens satisfactorily, but the sulfides can contribute to quench cracking. It is difficult to weld.
| Shape |
Round, Hexagon |
| Grade |
1144 |
| Tolerance |
Meets cold finished carbon steel bar manufacturing tolerances |
| Application |
Machined parts requiring higher strength and wear resistance than is possible in the lower carbon steels. |
Rounds |
All popular sizes |
| Hexagon |
All popular sizes |
|
Round |
For best delivery lengths should be specified as 11'/13'. |
| Hexagon |
For best delivery lengths should be specified as 11'/13'. |
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| Rounds, Hexagon |
Standard "as drawn" finish |
| Rounds, Hexagon |
Ground and Polished |
| Rounds, Hexagon |
Turned Ground and Polished |
| Rounds, Hexagon |
Turned and Polished |
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| Carbon |
0.40/0.48 |
| Manganese |
1.35/1.65 |
| Phosphorus |
0.04 (Max) |
| Sulphur |
0.24/0.33 |
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| Tensile Strength |
108,000psi |
| Yield Strength |
90,000psi |
| Elongation in 2" |
10% |
| Reduction of Area |
30% |
| Brinell Hardness |
217 |
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