This medium carbon steel is used for heat treating (quenching and tempering). Although it has only a fair response to conventional quenching, it is widely used where requirements are not too stringent. It is also used extensively in induction hardening applications. This is not normally considered a screw machine steel and is only fair for brazing and welding. However, it can be forged satisfactorily and is the most common shafting steel in the medium carbon range.
Shape |
Round, Square, Flat, Hexagon |
Grade |
1045 |
Tolerance |
Meets cold finished carbon steel bar manufacturing tolerances |
Application |
Medium strength parts, particularly where hardenability for wear or higher strength is needed. Shafts for hydraulic and pneumatic cylinders. |
Rounds |
All popular sizes |
Squares |
Limited Sizes |
Flats |
Limited Sizes |
Hexagon |
Limited Sizes |
|
All Shapes |
For best delivery lengths should be specified as 11'/13'. |
|
All Shapes |
Standard "as drawn" finish |
All Shapes |
Ground and Polished |
All Shapes |
Turned Ground and Polished |
All Shapes |
Turned and Polished |
|
Carbon |
0.43/0.50 |
Manganese |
0.60/0.90 |
Phosphorus |
0.04 (Max) |
Sulphur |
0.05 (Max) |
|
Tensile Strength |
91,000psi |
Yield Strength |
77,000psi |
Elongation in 2" |
12% |
Reduction of Area |
35% |
Brinell Hardness |
179 |
|
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