This specification covers electric-resistance-welded carbon and alloy steel tubing for use as mechanical tubing.This specification covers mechanical tubing made from hot- or cold-rolled steel.This specification covers round, square, rectangular, and special shape tubing.Optional supplementary requirements are provided and when desired, shall be so stated in the order.
| Material | Grades |
|---|---|
| Standard Low-Carbon Steels | MT 1010 |
| MT 1015 | |
| MT X 1015 | |
| MT 1020 | |
| MT X 1020 | |
| Other Carbon and Alloy Steels | 1008 |
| 1009 | |
| 1010 | |
| 1012 | |
| 1015 | |
| 1016 | |
| 1017 | |
| 1018 | |
| 1019 | |
| 1020 | |
| 1021 | |
| 1022 | |
| 1023 | |
| 1024 | |
| 1025 | |
| 1026 | |
| 1027 | |
| 1030 | |
| 1033 | |
| 1035 | |
| 1040 | |
| 1050 | |
| 1060 | |
| 1340 | |
| 1524 | |
| 4118 | |
| 4130 | |
| 4140 | |
| 5130 | |
| 8620 | |
| 8630 |