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China, Chinese High Quality 1.4025/SUS440f/S44020 Stainless Steel Round Bar1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Steel ProductsStainless SteelStainless Steel Round BarSUS440f Round Bar
Zhejiang ZhengCheng lmport & Export Co.,LTD
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Product Description Product Description 1.4025 SUS440F Y108Cr17 S44020 Stainless Steel440F stainless steel is a high-carbon martensitic stainless steel meant to provide improved machinability and corrosion resistance. An excellent choice for applications where good hardness, wear resistance, and moderate corrosion resistance are required. 440F has a very high sulfur content, which aids in machinability; therefore, it is useful for precision machining and automated work processes, and has better machinability than other steels in the 440 series.Similar GradeExecution standardZEICIN GradeGBASTMJISDINGBSUS440FY108Cr17 (Y11Cr17)S44020/440FSUS440F1.4025 Main chemical composition %CCrMnSiMoV0.95~1.2016.00~18.00≤1.25≤1.00≤0.75-CoSPNiNbW-≥0.15≤0.06≤0.60-- Heat Treatment of SUS440FHeat TreatmentTemperatureProcedureEffectAnnealing843~871°CSoak at this temperature, furnace coolReduces hardness,improves machinabilityTempering179~177°CSoak for 1 hour this temperatureAchieves minimumu hardness of Rc 56Hardening1010~1066°CSoak at this temperature, air cool or warm oil quenchIncreases hardness and strength enhances wear resistance Key Features 1)Top MachinabilityThe increased sulfur content improves machinability and makes it ideal for machining complex components.2)Steady HardnessProvides uniform hardness via heat treatment in controlled conditions to meet stringent industrial requirements.3)Enhanced Wear ResistanceOffers outstanding durability, particularly for high-friction and abrasive conditions.4)Good Corrosion ResistanceEffective up to a point in mildly corrosive environments, like indoor or dry applications. Our Advantages Production process Major Equipment1. Electric Arc Furnace2. ESR3. 5T Forging Machine4. Vacuum Annealing Furnace5. Non-destructive Detector6. Rolling Mill7. Drawing Mill8. Spray Forming Surface conditionMetallographic Organization ComparisonPhoto1(Domestic). Carbon carbide size obviously appears big size.Photo 2 (abroad), the carbide distribution is uneven, and the individual is large. Reason analysis: During the smelting process, the carbide can not be controlled well. In the late forging, although the forging ratio increases, it fails to make up for the defects of the smelting.Photo3(ZhengDa=Zeicin) the modification of three technological processes of 1)EAF+LF+VD, 2) Special innovation smelting process of RS ESR, 3) transformation forging, so that it is obviously better than the imported ones. The carbide is small and uniform.Photo 1 (domestic), the carbide individual is obviously large, and the processing will exhibit the phenomenon of detachment.Photo 2 (abroad), The carbides are superior to domestic ones, but there are more angular carbides, and cracks and stress concentrations are easy to occur in use, leading to early failure.Photo3(ZhengDa=Zeicin), the modification in the process of smelting and forging, the level of carbide is obviously superior to the imports.Photo 1 (domestic), Zonal carbides are obvious; the carbide particles are obviously larger than the longitudinal ones, causing analysis: no modification of forging, just rolling directly.Photo 2 (abroad), the distribution of carbides is not uniform, and the individual is large. Reason analysis: During the smelting process, the carbide can not be controlled well. In the late forging, although the forging ratio increases, it fails to make up for the defects of the smelting.Photo3(ZhengDa=Zeicin) the modification of three technological processes of 1) EAF +LF+VD, 2) Special innovation smelting process of RS ESR, 3) transformation forging, so that it keeps obviously better than the imported ones. The carbide is small and uniform.The other steel grades that we can offer correspond to the following: TypeZEICIN GRADESIMILAR STEEL GRADESGBJISASTMDINMartensite Stainless Steel9Cr18Mo9Cr18MoSUS440CAISI 440C1.41259Cr18MoV9Cr18MoVSUS440BAISI 440B1.411211Cr1711Cr17SUS440CAISI 440C1.4125SUS440A68Cr17(7Cr17)SUS440AS440021.410910Cr15Comav10Cr15ComavVG10//5Cr15MoV5Cr15MoV420hc420MOVW1.4116(X50CrMoV15)7Cr17MoV7Cr17MoVSUS440A/AUS6440A/SUS440FY108Cr17 (Y11Cr17)SUS440FS44020/440F1.4025SUS420J2 3Cr13SUS420J2S42000/420X30Cr13/1.4028VG10/VG10//BG42BG42///YTG1344Cr13SUS420420*1.2083Applications440F stainless steel's free-machining qualities and fine surface finish make it ideal for a variety of applications:1) Fasteners:Parts that require tight tolerances and polished surfaces.2) Medical Equipment:Precision surgical tools and dental instruments that require high machinability and smooth finishes.3)Valves and Fittings:Precision components require high strength and ease of machining.4)Automotive components:Shafts and fittings that need incredible machining accuracy.5) Industrial Tools:Pump drills, taps, and dies where enhanced toughness is needed. Customer FeedbackWe highly value all feedback from our customers, as it helps us continuously improve and ensure we meet your expectations. Below are some insights from our esteemed customers, including feedback from one of our Korean customers who has previously purchased Japanese products: Packaging & ShippingFAQQ1: Do you accept trial orders?A1: Yes, we accept trial orders, provided that the required size and model are in stock.Q2: What is your delivery time?A2: If the products are in stock, the delivery time is generally 5-15 days. If the products are out of stock, the delivery time may range from 15 to 20 days, depending on the order quantity.Q3: Do you offer discounts for bulk orders?A3: Yes, we offer discounts for bulk orders. The specific discount will depend on the order quantity and the terms of cooperation. Please feel free to contact us for more details.Q4: What is your product packaging like?A4: Our products are packaged in standard industrial packaging to ensure safety during transportation. If you have specific packaging requirements, please let us know when placing the order, and we will package your items accordingly.Q5: What payment methods do you support?A5: We accept a variety of payment methods, including T/T, L/C, Alipay, PayPal, etc. The specific payment method can be arranged flexibly based on the order amount and customer needs.
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