ZY SCREW's advantage: Welcome to contact us, Camille will reply you timely! Semi - trailer (also called oil tank Semi-Trailer, fuel tanker semitrailer, fuel semi-trailer, oil semitrailer, fuel trailer tanker, fuel tankers, fuel tank trailer, oil trailer, semi tanker trailer, stainless steel oil tanker trailer, carbon steel trailer tank fuel) is used to transport oil, diesel, gasoline, kerosene, etc. Semi-Trailer Semi Trailer,Semi Trailer Truck,Cement Semi Trailer,Cargo Semi Trailer CHENGLI SPECIAL AUTOMOBILE CO.,LTD , https://www.clwcntruck.com
Single screw barrel for extrusion blowing machinary 
Technical Information
Base Materials:
(1)38CrMoAlA(JIS SACM645)
(2)42CrMo(AISI 4140)
Bimetallic alloy materials:
(1)Fe-based alloy
(2)Ni-based alloy/Deloro alloy
(3)Co-based alloy
(4)NiCo-based alloy
(5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
Plasma nitriding
Technical parameter:
Nitrided layer depth: 0.3-0.7mm
Nitrided hardness: HRC56-60
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Warranty and service: 1 year
Focus on quality and service.
Experienced manufacturer, we will be the best choice.
Workshop Display:
Products Application:
1)General Plastics, PVC
2)Material compounds CACO3, glass fiber, recycle materials, stabilizer
3)ABS,TPR,TPU,PMMA,C-PVC,UPVC,RPVC,PET,EVA,PU etc
4)Scrap and waste plastic and PVC recycling
5)Modified engineering plastics
Production time:Â About 20-30 days after we receive the advanced payment
Production Process:
Receiving orders -Â Designing & Drawing confirmation - Blanking Thermal refining - Heat treatment - Rough Turning - Polishing - Drilling for barrel - Semi Finishing Machining - Bimetallic welding - Centrifugal casting for barrel - Polishing - Nitriding treatment(120 hours) or High frequency quenching - Â Hard-chrome plating - O.D. Grinding - Honing for barrel - Alignment - Polishing - Inspecting - Packing &Â ShippingÂ
First-class designing and researching team;
High quality and durable products of screw barrel;
Most professional sales who can serve for you timely;
Best customer service especially after-sale service;Â
Powerful company's strength support long-term cooperation.
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Fuel tank can be divided into many compartments to load and transport different types of fuels, lubricant, crude oil, alcohol--