Grade | C | Si | P | S | Cr | Mn | Fe | Ni | Cu | Mo | Cb (Nb+Ta) |
Alloy 20 | 0.07 max | 1.0 max | 0.045 max | 0.035 max | 19.0 - 21.0 | 2.0 max | Remainder | 32.0 - 38.0 | 3.0 - 4.0 | 2.0 - 3.0 | (8 x C) - 1.0 max |
Tensile Strength (ksi) | 0.2% Yield Strength (ksi) | Elongation% in 2 inches |
80 | 35 | 30 |