Intrested to buy used train wheels

Some needed information:

- the train wheels that we re interested in, vary from 29 to 40. Their sizes and weight are such as 29, 32, 33 (295kg) and 36 (340kg)

- They should be whole ones FORGED or CASTED;

- its chemical composition should be SAE 1060;

- estimated quantity 1,000 tons -3000 tons /year.