Parag Metals supplies stainless steel A286 pipes with reliable performance. Each pipe meets important standards such as ASTM A312, ASTM A358 and ASME SA312. A286 stainless steel contains iron, nickel, chromium, and molybdenum. This mix gives the material high tensile strength, strong resistance to oxidation, and good performance under stress and pressure.
Table of Content

Parag Metals provides dependable A286 pipe solutions for industries that need strong materials built to last.
| A286 AISI 660 Pipe Specification | A-286 Stainless Steel Alloy, UNS S66286, A-286 Stainless, Alloy A-286 Stainless Steel, A-286 Alloy, Grade 660, ASTM A638 (VO1.03), A453 (VO1.01), 660B |
|---|---|
| A286 Stainless Steel Pipe Other Trade Name | Inconel 660 | NAS 660 | Alloy A286 | UNS S66286 | A-286 Alloy | Heat Resistant Alloys |
| A286 AISI 660 Seamless Pipe size | 4 to 219mm W. T.: 0.5 to 20mm |
| Stainless Steel A286 Welded Pipe size | 5.0 mm – 1219.2 mm |
| A286 AISI 660 EFW Pipe size | 5.0 mm – 1219.2 mm |
| Stainless Steel A286 Pipe Schedule | SCH5, SCH10, SCH10S, SCH20, SCH30, SCH40, SCH40S, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Stainless Steel A286 Pipe Form | Round, Square, Hollow, Rectangular, Hydraulic, Straight Pipes Etc. |
| A286 AISI 660 Pipe End | Plain End, Beveled End, Treaded. |
| Stainless Steel A286 Pipe Length | Single Random, Double Random & Cut Length. |
| Origin | European, Japanese, Korean, US, Russian, Indian (Strictly No Chinese Material) |
| Marking | All A286 Alloy Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| A286 Alloy Pipe Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |






| UNS | Werkstoff No. | Alternate Names / Specs |
|---|---|---|
| S66286 | 1.4980 | A-286, Alloy 660, X6NiCrTiMoVB25-15-2, SUH660, AMS 5525, AMS 5731/5732/5737, ASTM A453 Grade 660, ASTM A638 Grade 660, GE B50T81/B50T12/B50T1181 |
| Fe | Ni | Cr | Ti | Mo | Mn | Si | V | Al | C | P | S | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 54 | 25.5 | 14.8 | 2.13 | 1.30 | 1.0 | 0.50 | 0.30 | 0.18 | 0.040 | 0.020 | 0.015 | 0.0060 |
| Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Hardness | Density | Melting Point |
|---|---|---|---|---|---|
| ~ 130 ksi (895 MPa) | ~ 85 ksi (586 MPa) | ~ 15% | ~ 321 HB (max) | 7.93 g/cm³ | 1370 – 1430 °C (2500 – 2600 °F) |
| Wall | Sizes ( O.D.) |
|---|---|
| .010 | 1/16″ , 1/8″ , 3/16″ |
| .020 | 1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
| .012 | 1/8″ |
| .016 | 1/8″ , 3/16″ |
| .028 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
| .035 | 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .049 | 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
| .065 | 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
| .083 | 1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
| .095 | 1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .109 | 1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
| .120 | 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
| .125 | 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
| .134 | 1″ |
| .250 | 3″ |
| .375 | 3 1/2″ |
| Nominal size [inches] | Outside diameter [inches] | Outside diameter [mm] | Wall thickness [inches] | Wall thickness [mm] | Weight [lb/ft] | Weight [kg/m] |
|---|---|---|---|---|---|---|
| 1/8 | 0.405 | 10.3 | 0.095 | 2.41 | 0.31 | 0.47 |
| 1/4 | 0.54 | 13.7 | 0.119 | 3.02 | 0.54 | 0.8 |
| 1/2 | 0.84 | 21.3 | 0.147 | 3.73 | 1.09 | 1.62 |
| 3/4 | 1.05 | 26.7 | 0.154 | 3.91 | 1.47 | 2.2 |
| 1 | 1.315 | 33.4 | 0.179 | 4.55 | 2.17 | 3.24 |
| 1 1/4 | 1.66 | 42.2 | 0.191 | 4.85 | 3 | 4.47 |
| 1 1/2 | 1.9 | 48.3 | 0.2 | 5.08 | 3.63 | 5.41 |
| 2 | 2.375 | 60.3 | 0.218 | 5.54 | 5.02 | 7.48 |
| 2 1/2 | 2.875 | 73 | 0.276 | 7.01 | 7.66 | 11.41 |
| 3 | 3.5 | 88.9 | 0.3 | 7.62 | 10.25 | 15.27 |
| 3 1/2 | 4 | 101.6 | 0.318 | 8.08 | 12.5 | 18.63 |
| 4 | 4.5 | 114.3 | 0.337 | 8.56 | 14.98 | 22.32 |
| 5 | 5.563 | 141.3 | 0.375 | 9.53 | 20.78 | 30.97 |
| 6 | 6.625 | 168.3 | 0.432 | 10.97 | 28.57 | 42.56 |
| 8 | 8.625 | 219.1 | 0.5 | 12.7 | 43.39 | 64.64 |
| 10 | 10.75 | 273 | 0.594 | 15.09 | 64.43 | 96.01 |
| 12 | 12.75 | 323.8 | 0.688 | 17.48 | 88.63 | 132.08 |
| 14 | 14 | 355.6 | 0.75 | 19.05 | 106.13 | 158.1 |
| 16 | 16 | 406.4 | 0.844 | 21.44 | 136.61 | 203.53 |
| 18 | 18 | 457 | 0.938 | 23.83 | 170.92 | 254.55 |
| 20 | 20 | 508 | 1.031 | 26.19 | 208.87 | 311.17 |
| 24 | 24 | 610 | 1.125 | 30.96 | 296.58 | 442.08 |
