S45c Seamless Steel Tube for Concrete Pump Delivery Cylinder

PART I: PRODUCT INTRODUCTION1. Description: Concrete delivery cylinder is a kind of tube parts made from high precision honed tubes through machining&turning. Internal surface of cylinder is hard chrome plated and polished to roughness of Ra0.25um max. 2. Commodity: S45C seamless steel tube for Concrete pump Delivery Cylinder 3. Size range: ID of 80mm-280mm 4. Available steel grade: SAE/AISI1045, 1518,1524DINST52ENE355, C45E, CK45, SAE 10455. Manufacture procedure: hard chrome plating, polishing,welding,machining&turning. 6. Thickness of chromed layer: 0.2mm-0.25mm or as per request. 7. Hardness of chromed layer: HV850 min 8. Bore rougness after hard chrome plating: Ra0.25um max. 9. ID tolerance: +0/+0.1mm 10. Standard export packing: by plywood boxes. 11. Customized packing and marking can be provided upon request.  CONCRETE DELIVERY CYLINDER: MADE FROM COLD DRAWN TUBES AND PAINTEDCONCRETE DELIVERY CYLINDER: MADE FROM HOT ROLLED SEAMLESS PIPESCONCRETE DELIVERY CYLINDER: EXTERNALLY MACHINED SURFACECONCRETE DELIVERY CYLINDER - WELDING,MACHINING&TURNING:CONCRETE DELIVERY CYLINDER- PACKING:PART II: FREQUENTLY ASKED QUESTIONS1. MOQ: Generally Min Order Quantity can be 1 piece/size.  2. Delivery Time: Generally, delivery time is around 40-60 days depending on availability of raw material. 3. Warranty&Guarantee: Warranty&guarantee period is 6 months since we deliver the tubes, and we are not responsible for quality problem caused by wrong unloading or storage after shipment. We welcome customer's inspection before shipment.  4. Payment Method: We accept payment method like T/T, L/C, or D/P, but it depends on our investigation about customers. We have a solution to evaluate the credit of customers from all over the world, and time and amount of D/P we can release is determined by the evaluation.  5. Quality Control: 90% of the tubes are made from hot rolled seamless pipes. So, quality of raw material determined quality of finished tubes. We purchase raw material from stable suppliers who are leading steel mills, and we inspect the raw material as per the specifications. During our production procedure, there is inspection and quality control in every stage. PART III: FACTORY FACILITIES:/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1