Product Name: Drop Forged Crankshaft for Punch Press
Material: Alloy Steel AISI 4140 / AISI 4340
Heat Treatment: Hardened (HRC 50–55), Precision Ground
Surface Finish: Polished journals, ≤ Ra 0.4 μm
Tolerance: ±0.005 mm (Dimensional), Dynamically Balanced
Standards & Certification: ISO 9001, CE, OEM/ODM Available
Testing & Quality Control: Ultrasonic flaw detection, Run-out testing