| Alloy 20 Tube Standards | ASTM B729, ASME SB 729,ASTM B468 ASME SB 468 |
| Alloy 20 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| Alloy 20 tubing wall thickness | 0.020" –0.220", (special wall thicknesses available) |
| End | Plain End, Beveled End, Treaded |
| Alloy 20 Tube Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Alloy 20 tube Form | Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or ‘U’ bent Tubes, Hollow Etc. |
| Alloy 20 Welded Tube Size | 6.35 mm OD To 152 mm OD |
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| Square tube | Round pipe |
| Chemical composition | |
| Element | Alloy 20 |
| Ni | 32-38 |
| Fe | Bal |
| C | 0.02max |
| Mn | 1-2 |
| Si | 0.07max |
| Cu | 3-4 |
| Cr | 19-21 |
| Mo | 2-3 |
| S | 0.005max |
| P | 0.02max |
| Nb | 0.1-0.3 |
Alloy 20 nickel tube are available in various dimensions, shapes like square, rectangle, and so on and enormous sizes
