Jiangyin Golden Machinery Equipment Co., Ltd.  

Product Name: OEM Scm440, SAE4340, 34CrNiMo6 Steel Ring Forging Model NO.: Scm440, 34CrNiMo6 ring forging Certification: ISO 9001:2008 Standard: ASTM Forging Tolerance: +/-0.1mm Surface Treatment: Polishing Material: Steel Machining: CNC Machining Application: Machinery Parts Molding Technics: Pressure Casting Molding Style: Forging Processing Object: metal Size: Acc to The Drawing Condition: New Shape: Round Technology: Forged Trademark: forging sae4140 steel ring Transport Package: as The Order Specification: sae4340 steel ring forging Origin: Jiangsu, China HS Code: 73269090 Product Description 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 transportation industry. etc.Packaging & DeliveryPackaging Details:Export standard package or according to customer requirementDelivery Detail:30~60days according to various quantityProduct ListNameTechniqueMaterialDia/mmWall thicknessLength/mmForging shaftForging+turning+grindingalloy steelcarbon steelstainless steel200-800----500-20000Hollow shaftForging+drilling+turning150-800≥15mm≤17000Shaft sleeveForge+drill & bore+turning +milling400-700≥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 Flow1.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 makingEAF+LF+VD/VAD or ESRManufacturing processEAF + LF + VD+ Forging+ Normalizing & Tempering + Rough machining + UT test + Quenching & Tempering + Precision machiningReportChemical composition report, Physical properties report, Heat treatment report, Dimensional inspection report, NDT reportNondestructive test (NDT)UT ( ultrasonic testing ), MT ( magnetic particle testing ), PT ( penetrant testing)Quality certification : ISO 9001: 2008, IQNET