Custom Long Carbon Steel Forging Marine Transmission Propeller Drive Forged Shaft

Manufacturing Process

1. Free forged or module forged

2. Rough machining process, to remove the surface forged oxidized black leather.

3. 100% Ultrasonic Test ASTMA388

4. Heat Treatment according to request, Normalized, Quenched, Tempered....

5. Hardness test

6. Finishing Process to the dimensional state required by the drawing.

7. 100% Magnetic Test ASTM E709 and 100% dimensional test

8. Painting or oil protecting TECTYL 506 or similiar

9. Packing with boxes