Custom-Made Vacuum Heat Treated Alloy Structure Steel Rotary Shaft with High Precision for Engineering Auto Motors Household

  No.ItemSpecifications1MaterialsCarbon steel: 10#, 18#, 1018, 22#, 1022, 40Cr, 45#, 1045, 50#, 55#, 60#, 65Mn, 70#, 72B, 80#, 82BAlloy Structure Steel: B7, 20CrMo, 42Crmo, SCM415, SCM440, 4140High-carbon chromium bearing steel: GCr15, 52100, SUJ2Free-cutting steel: 12L14, 12L15Stainless steel: 1Cr13, 2Cr13, 3Cr13, 4Cr13, 1Cr17, SUS410, SUS420, SUS430, SUS416, SUS440C, 17-4, 17-4PH, 130M, 200, 201, 202, 205, 303, 303Cu, 304, 316, 316LAluminum grade: 6061, 6063Brass: Hpb58-2.5 (C38000), Hpb59-1 (C37710), Hpb61-1 (C37100), Hpb62-0.8 (C35000), Hpb63-0.1 (C34900), Hpb63-3 (C34500), H60, H62, H63, H652DiameterØ0.3-Ø253Diameter tolerance0.002mm4Roundness0.0005mm5RoughnessRa0.056Straightness0.005mm7Hardness: HRC/HV8Length2mm-1000mm9Heat treatment1. Oil Quenching2. High frequency quenching3. Carburization4. Vacuum Heat treatment5. Mesh belt furnace heat treatment10Surface treatment1. Plating nickel2. Plating zinc3. Plating passivation4. Plating phosphating5. Black coating6. Anodized treatment11PackingPlastic bags inside and standard cartons outside.Shipment by pallets or according to customer's packing specifications.Q: How can I get samples? A: Free samples and freight collect, except for special circumstances. Q: What is your minimum order quantity for the items in the order? A:  2000pcs for each part except for sample. Q: Are you a trading company or a manufacturer? A: We are a manufacturer, specialized in manufacturing and exporting of qualified precision micro shafts. Q: What are your usual terms of payment? A:  We generally ask for payment by T/T in advance and L/C at sight. /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1