Both hot-finished and cold-finished seamless mechanical tubing up to 12.75” outside diameter is a staple for Omega Steel. Be sure to specify your exact finished dimensions, and/or chemical requirements to your Omega Steel sales representative so that we may quote you in the most economical manner possible.
Common Uses:
- Mechanical components
- Hydraulic systems
Contact us for more information:
Email Skip Palazzolo | 314.595.5020
Product Spec Guide:
C | Mn | Ph(max) | S(max) | Si | Cr | Mo | |
1018 | 0.15-0.20 | 0.6-0.9 | 0.04 | 0.05 | . | ||
1020 | 0.18-0.23 | 0.3-0.6 | 0.04 | 0.05 | |||
1026 | 0.22-0.28 | 0.6-.09 | 0.04 | 0.05 | |||
4130 | 0.28-.033 | 0.4-0.6 | 0.04 | 0.04 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
4140 | 0.38-0.43 | 0.75-1.0 | 0.04 | 0.04 | 0.15-0.35 | 0.8-1.1 | 0.15-0.25 |
OD Tolerance
OD Tolerance for Hot Finished
Up to 2.99" +/- .02"
3" – 4.499" +/- .025"
4.5" – 5.999" +/- .031"
6" – 7.499" +/- .037"
7.5" – 8.999" +/- .045"
9" – 10.75" +/- .50"
* (Information on our most common grades are listed below. Contact your Omega Steel sales representative for details on unlisted grades.)
Minimum Yield/Tensile
Minimum Yield: 35,500 PSI
Minimum Tensile: 60,200 PSI
Wall Thickness Tolerance for Hot Finished(+/- % of OD):
Up to 2.999" 12.5% for walls under 15% of the OD
10% for walls over 15% of the OD
3" – 5.999" 10% for walls under 15% of the OD
7.5% for walls over 15% of the OD
6" – 10.75" 10%
* OD tolerances are not applicable to normalized and tempered or quenched and tempered conditions.
Wall thickness tolerances may not be applicable to walls .199" and less