China Forging AISI4140 En8 Steel Mandrel Core-Shaft/Forged Steel Core-Shaft, Find details about China 4140 Steel Core Shaft, Forged 4140 Steel Mandrel from Forging AISI4140 En8 Steel Mandrel Core-Shaft/Forged Steel Core-Shaft
Description | The heavy forging: forged ring, shaft, roller, flange, or gear |
Material | Alloy steel or stainless steel |
Material standard | ASTM or GB/T3077-1999 |
Specification | As per specified requirements |
Weight | Max. 250 ton |
Smelting Process: | EF+LF + VD+VC |
Process | Ingot →Heat → Forging → Heat treatment (Normalizing+ tempering) → Inspection →Rough machining→UT →2nd Heat treatment →finishing machining →Inspection |
UT standard | EN10228, ASTM A388 or JB/T 5000.15-1998 |