China Scm440 Steel Ring Forging SAE4140 Steel Ring Forging Steel SAE4140 Ring Forging

Forging Scm440 ss316 ss630 ss416 Steel rolled Ring forgingWe are the manufacturer specialized in machining heavy duty forging parts for nearly 18 years.Our products, such as drive shaft, Forging Hollow Shaft, Shaft Sleeve, Eccentric shaft, Forging rod, Large bolt, Heavy Duty Hydraulic Cylinder, are widely used in coiled material, petroleum, metallurgy, mine, machinery and transpoEmergency Light & Indicator Light rtation industry. etc.
Packaging & DeliveryPackPre-Press Equipment aging Details:Export standard packLED Video Processor age or according toTools & Hardware Stocks customer requirementDelivery Detail:30~60days according to various quantityProduct ListNameTechniqueMaterialDia/mmWall thicknessLength/mmForging shaftForging+turning+grindingalloy steel
carbon steel
stainless steel200-800----500-20000Hollow shaftForging+drilling+turning150-800≥15mm≤17000Shaft sleeveForge+drill & bore+turning +millingElectrode 400-700≥15mm≤18000Large boltRolled/forge+turning+threading300-800----≤17000Hydraulic cylinderForging+drill & bore+ turning300-2000≥10mm≤10000Other parts in deep-holeForge+ drill & bore+turning+mill300-2000----≤20000Product Flow
1.Inquiry with drawings in details.
2.Confirm steel material, chemical compositions, mechanical properties, tolerance.
3.Confirm payment terms,order materials or check material in stock.
4.Check material chemical compositions, material weight, dimensions.
5.Cut materials record weight, making mould for casting of pr-hearting for forging.
6.Forging ratios, heat treatment ,dimension check.
7.Rough machining, UT test,heat treatment.
8.Semi-finish, quenching,
8.Fine machining, UT test, dimension inspection, mechanical properties test.
9.Customer inspection, packing, delivery arrangement.
Steel ingot making
EAF+LF+VD/VAD or ESR
Manufacturing process
EAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machining
Report
Chemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT report
Nondestructive test (NDT)
UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)
Quality certification : ISO 9001: 2008, IQNET