Material: ASTM A732 IC 4140, W-Nr. 1.7225, AISI 4140, or as your drawings. Magnetic Testing Standard: ASTM A125, ISO 4986. Ultrasonic Inspection Testing Standard: ASTM A609, EN 12680, SEP 1922(IN 1690-T2). Application Fields: We can also provide you gear casting (or gear ring)products as your drawings or samples.

