Application of ASTM A519 Carbon and Alloy Seamless Steel tubing
Pipe ordered under this specification is mechanical usage.Hot finished tubes need not be heat treated. Cold finished tubes shall be heat treated after the final cold-finishing at a temperature of 1200°F or higher.
Manufacture:Seamless process, cold drawn or hot rolled Size: O.D.: 15.0～300mm W.T.: 2～25mm Grade: 1008,1020 Length: 6M or specified length as required. Ends: Plain End, Beveled End.Manufacturing Process of ASTM A519 Carbon and Alloy Seamless Steel Tubing
ASTM A519 carbon and alloy seamless steel tubing are produced either by cold-drawn or hot rolled, as specified.Chemical Composition and mechanical properties of ASTM A519 Seamless Carbon and Alloy Steel Mechanical tubing
Grade and Chemical Composition (％)| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| 1008 | ≤0.10 | 0.30-0.50 | 0.040 | 0.050 | - | - | - |
| 1010 | 0.08-0.13 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1018 | 0.15-0.20 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 1020 | 0.18-0.23 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1025 | 0.22-0.28 | 0.30-0.60 | 0.040 | 0.050 | - | - | - |
| 1026 | 0.22-0.28 | 0.60-0.90 | 0.040 | 0.050 | - | - | - |
| 4130 | 0.28-0.33 | 0.40-0.60 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.25 |
| 4140 | 0.38-0.43 | 0.75-1.00 | 0.040 | 0.040 | 0.15-0.35 | 0.80-1.10 | 0.15-0.35 |
| Grade | Condition | MPa Tensile Point | Yield Point | Elongation |
| 1020 | CW | ≥414 | ≥483 | ≥5% |
|
| SR | ≥345 | ≥448 | ≥10% |
|
| A | ≥193 | ≥331 | ≥30% |
|
| N | ≥234 | ≥379 | ≥22% |
| 1025 | CW | ≥448 | ≥517 | ≥5% |
|
| SR | ≥379 | ≥483 | ≥8% |
|
| A | ≥207 | ≥365 | ≥25% |
|
| N | ≥248 | ≥379 | ≥22% |
| 4130 | SR | ≥586 | ≥724 | ≥10% |
|
| A | ≥379 | ≥517 | ≥30% |
|
| N | ≥414 | ≥621 | ≥20% |
| 4140 | SR | ≥689 | ≥855 | ≥10% |
|
| A | ≥414 | ≥552 | ≥25% |
|
| N | ≥621 | ≥855 | ≥20% |
Ordering information
Quantity ( feet, meters, or number of lengths) Name of material(seamless carbon or alloy steel mechanical tubing) Form(round, square, rectangular or special shapes) Dimensions( round, outside diameters and wall thickness; square and rectangular, outside dimensions and wall thickness ) Length: specific or random Manufacture (hot finished or cold finished) Grade Condition(sizing method and thermal treatment) Surface finish(special pickling, shot blasting or ground outside surface ,if required) ASTM Specification designation and year of issue. End use, if known Packaging Special marking, e.gPacking for ASTM A519 Seamless Carbon and Alloy Mechanical Tubing:
Bare pipe or oil coating ( customized); In bundles with two cotton slings; Both ends with end protectors; Plain end, bevel end Marking.Appearance for ASTM A519 Seamless Carbon and Alloy Mechanical Tubing:
A sufficient number of visual surface imperfections to provide seasonable assurance that they have been properly evaluated with respect to depth. The defect shall be removed or cut off within the limits of requirements on length. The finished pipe shall be seasonably straight.