1.1 This specification covers several grades of carbon and alloy steel seamless mechanical tubing. The grades are listed in Tables 1-3. When welding is used for joining the weldable mechanical tube grades, the welding procedure shall be suitable for the grade, the condition of the components, and the intended service.
|
Grade Designation |
Chemical Composition Limits, % |
|||
|
CarbonA |
ManganeseB |
Phosphorous,B |
Sulfur,B |
|
|
|
|
|
|
|
|
MT 1010 |
0.05-0.15 |
0.30-0.60 |
0.040 |
0.050 |
|
MT 1015 |
0.10-0.20 |
0.30-0.60 |
0.040 |
0.050 |
|
MT X 1015 |
0.10-0.20 |
0.60-0.90 |
0.040 |
0.050 |
|
MT 1020 |
0.15-0.25 |
0.30-0.60 |
0.040 |
0.050 |
|
MT X 1020 |
0.15-0.25 |
0.70-1.00 |
0.040 |
0.050 |
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|
Grade Designation |
Chemical Composition Limits, %A |
|||
|
Carbon |
Manganese |
Phosphorous, |
Sulfur, |
|
|
|
|
|
|
|
|
1008 |
0.10 max |
0.30-0.50 |
0.040 |
0.050 |
|
1010 |
0.08-0.13 |
0.30-0.60 |
0.040 |
|