ASTM B 581:2017

1.1 This specification 2 covers rod of Ni-Cr-Fe-Mo-Cu alloys (UNS N06007, N06975, N06985, N06030, N08031, and N08034) 3 as shown in Tables 1- 3 , for use in general corrosive service. TABLE 1 Chemical Requirements Element Composition Limits, % Alloy N06007 Alloy N06975 Alloy N06985 Alloy N06030 Alloy N08031 Alloy N08034 Nickel remainder^A 47.0-52.0 remainder^A remainder^A 30.0-32.0 33.5-35.0 Chromium 21.0-23.5 23.0-26.0 21.0-23.5 28.0-31.5 26.0-28.0 26.0-27.0 Iron 18.0-21.0 remainder^A 18.0-21.0 13.0-17.0 remainder^A remainder^A Molybdenum 5.5-7.5 5.0-7.0 6.0-8.0 4.0-6.0 6.0-7.0 6.0-7.0 Copper 1.5-2.5 0.70-1.20 1.5-2.5 1.0-2.4 1.0-1.4 0.5-1.5 Manganese 1.0-2.0 1.0 max 1.0 max 1.5 max 2.0 max 1.0-4.0 Cobalt, max 2.5 ... 5.0 max 5.0 max ... ... Carbon, max 0.05 0.03 0.015 max 0.03 max 0.015 0.01 Tungsten 1.0 max ... 1.5 max 1.5-4.0 ... ... Silicon, max 1.0 1.0 1.0 max 0.8 max 0.3 0.1 Phosphorus, max 0.04 0.03 0.04 max 0.04 max 0.020 0.020 Sulfur, max 0.03 0.03 0.03 max 0.02 max 0.010 0.010 Columbium+tantalum 1.75-2.50 ... 0.50 max 0.30-1.50 ... ... Titanium ... 0.7-1.5 ... ... ... ... Nitrogen 0.15-0.25 ... ... ... ... 0.10-0.25 Aluminum ...

77.150.40