Jiangyin Golden Machinery Equipment Co., Ltd.  

Product Name: Forging AISI4140 AISI4340 Steel Grinding Hollow Bar Model NO.: forging aisi4140 steel grinding hollow bar Certification: CE, ISO 9001:2000, ISO 9001:2008 Standard: ASTM Forging Tolerance: +/-0.2mm Surface Treatment: Polishing Heat Treatment: Normalizing Material: Steel Application: Machinery Parts Molding Technics: Pressure Casting Molding Style: Forging Processing Object: metal Size: 5000mm Surface: Oil, Galvanized Cert: ISO SGS Delivery: about 20days Trademark: forging aisi4340 steel grinding hollow bar Transport Package: Wooden Package and Steel Package Specification: die forging aisi4140 steel grinding hollow bar Origin: Jiangsu China HS Code: 73269090 Product Description Name:Die Forging aisi4140 aisi4340 steel grinding hollow barDescription:The heavy forging: forged ring, shaft, roller, flange, or gear is widely used for various industriesFor example: metallurgy, mining, power station and so on.The manufacturing equipment is 185MN or 100MN hydraulic press, the forging ratio >4.5,the technical condition is in accordance with the standard of ASTM, EN, DIN, ASME or GB etc.The product can be provided as per your drawing or specified requirements.Smelting Process:EF+LF + VD+VCThe process as follow :Ingot →heat → forging → Heat treatment (Normalizing+ tempering) → Inspection →rough machining→UT →2th Heat treatment →finishing machining →InspectionApplications: The heavy forging: forged ring, shaft, roller, flange, or gear is widely used for various industries For example: metallurgy, mining, power station and so on.Specifications:DescriptionThe heavy forging: forged ring, shaft, roller, flange, or gearmaterialAlloy steel or stainless steelMaterial standardASTM or GB/T3077-1999SpecificationAs per specified requirementsWeightMax. 250 tonSmelting Process:EF+LF + VD+VCProcessIngot→heat → forging → Heat treatment (Normalizing+ tempering) → Inspection→rough machining→UT →2nd Heat treatment →finishing machining →InspectionUT standardEN10228, ASTM A388 or JB/T 5000.15-1998Competitive Advantage:The heavy forging is manufactured by large scale stated enterprise.Advanced technical process from smelting steel to forging and heat treat guarantees the product quality.Closed relationship with several famous stated enterprises guarantee "in-time delivery" and competitive price.Excellent product quality and service, competitive price, "in-time" delivery.