CNM-SD Prestresed Bened Sheath Ducts1. Materials: Q195 steel strip(Galvanized or Non-glavanized). 2. Shape: Flat and Round.3. Diameter: 35/40/45/50/55/65/70/75/80/90/100/110/120/135/140/160mm inner diameter.4. Features: Less friction loss during tension course, perfect sealed, no rusty.5. Applications: It has been widely adopted by modern construction, especially used in pre-tension or post-tension for concrete constructions as building materials, such as bridge construction, railway and highway construction, underground structures,buildings and channel construction, ect. 6. Technical Data of Round Metal Ducts: Inner Diameter35404550556065707580859095100105110115120125130allowable deviation0.51Standard steel broadband0.25±0.010.3±0.020.35±0.02Gross Weight(Kg/m)0.40.4100.60.630.710.80.951.031.121.261.361.461.561.661.82.022.32.55 7. Technical Data of Flat Metal Ducts: Mini AxisLength(Diameter)191919192222222225252525Allowable Deviation±3±3±3000Long AxisLength(Diameter)475267761Allowable Deviation±1±2±2Gross Weight(kg/m)0.370.430.560.630.430.560.630.770.180.56118. Our Advantages:We are PT Manufacturer from China, our full products range for post tensioning and pre-strssing construction: 1). Materials: pc strand, YJM anchor system(monostrand anchor, multistrands anchor), ducts(metal ducts, HDPE plastic ducts). 2). Equipment: Hydraulic Jack(QYC mono jack, YDC multi-strand tensioning jack), electric oil pump, YH30 embossing machie(onion jack), GYJ500 extrusion machine, ZG130 ducts making machine, grouting pump and mixer for post tensioning). 3). Bridge Equipment: Bridge Crane, Bridge Girder Launching Machine, Bridge Girder Transporting Vehicle, etc.9. FAQ: 1): Q: Do you supply OEM Service or Customized-made Sheathing Ducts?A Yes, we do. Actually, we have cooperated with many famous PT Supplier in whole world.Just send us your drawings when need to be customized. 2) Q: Do you provide free samples?A: Yes, sure, we provide free samles for your testing.3). Q: What information should provide before placing order?We are appreciated you provide us detail information about your requirement:1. What diameter of Galvanized Ducts do you need, round or flat shape?2. How many quantity for order?3. What is your required Destination Port? 4) Q: How is the delivery lead time:A: Goods in stock: within 3 days, Goods out of stock(7 days), Goods need to be customized(10-15 days). 5) What is your Minimum Order?A: MOQ: 100 pieces. 6) Q: Payment Terms?A TT, LC, Western Union, Paypal, etc. 7) Q: How to transport the goods:A: by shipping, airflight, express. Let's have a quick communications for business by following:Mobile )No.: +8613673713569Jason Wang