Chemical composition of HPM75 non-magnetic steel

C: 0.65-0.75%

Silicon Si: 0.80%

Mn: 14.50-16.00%

Sulfur s: ≤ 0.030%

P: ≤ 0.030%

2.00 to 2.50 percent of chromium Cr

Mo Mo: 0.50-0.80%

W: 0.50-0.80%

1.50 to 2.00 percent of vanadium V

2.70-3.30% of aluminum Al