Rely on Reiloys metallurgical expertise and manufacturing know-how
Wear Resistant Surface Treatment That Pays Off
Extend the service life of your screws and barrels with the right alloys to secure product quality, process stability and profitability.
THE PROBLEM
Wear Protection Determines the Profitability of Your Plasticizing Unit
Insufficient wear protection can become a serious problem. Screw and barrel wear can result in uncontrolled process fluctuations. This can have a negative impact on product properties and profits. Even worse, wear can cause production downtime. With a powerful combination of metallurgical expertise and manufacturing know-how, we assist you in counteracting wear, so you can be more profitable.
Wear: The mechanisms
Wear mechanisms in a plasticizing unit overlap:
- abrasion
- adhesion
- corrosion
The impact of these wear mechanisms is mainly dependent on the corrosivity, viscosity and hardness of the resin, plus the hardness, form and amount of added fillers.
Equipment that has wear outside of the design specification can result in dimensional, aesthetic and stress related issues which ultimately has an impact on the OEE (Overall Equipment Efficiency)
Wear: The countermeasures
Based on our detailed knowledge of these wear mechanisms and how they interact, we can apply suitable countermeasures against wear on screws and barrels by employing material combinations and specific surface protection – so that your machines achieve an extremely long service life.
INCREASE PRODUCTION TIMES
Save Costs With Excellent Alloys
The wide range of alloys on the market can be confusing. Our experts guide you through the options and cooperate with you to find the alloy that is best suited for your production.
Alloys for Barrels
Standard
R121
Iron Based Alloy with primarily solidified Chrome Carbides, great wear package at an economical price.
Technical Data
| Wear resistance | +++ | |
| Corrosion resistance | +++ | |
| Layer thickness | 1.5 mm | |
| Roughness Ra | min. 0.2 – max. 0.8 | |
| Inner diameter | 14 – 400 mm | |
| Outside diameter | max. 600 mm | |
| Length | max. 9,000 mm | |
| Hardness at room temperature | min. 65 HRC | |
| Main alloy component | Cr, Ni, Mo, B | |
| Structural description | Martensitic iron-based alloy with primarily solidified chrome carbides and Carbo-Boride Phases |
Premium
R241
Nickel Matrix Alloy with Tungsten Carbides with an exceptional corrosion and superior wear resistance.
Technical Data
| Wear resistance | +++++ | |
| Corrosion Resistance | +++++ | |
| Layer thickness | min. 1.0 mm | |
| Roughness Ra | min. 0.3 – max. 0.8 | |
| Inner diameter | 15 – 300 mm | |
| Outside diameter | max. 600 mm | |
| Length | max. 9,000 mm | |
| Hardness at room temperature | min. 59 HRC | |
| Main alloy component | W, Cr, B | |
| Structural description | Dispersive hardening of a highly corrosive resistant Ni-matrix alloy with thermally stable tungsten carbides |
Specialty
R115
Nickel-Cobalt Alloy with Chromium Carbides results in an exceptional corrosion resistant package.
Technical Data
| Wear resistance | + | |
| Corrosion Resistance | +++++ | |
| Layer thickness | min. 1.5 mm | |
| Roughness Ra | min. 0.2 – max. 0.8 | |
| Inner diameter | 15 – 105 mm | |
| Outside diameter | max. 350 mm | |
| Length | max. 3,000 mm | |
| Hardness at room temperature | min. 55 HRC, Di > 60 mm min. 47 HRC | |
| Main alloy component | Co, Cr, B | |
| Structural description | Nickel-cobalt base alloy with fine precipitation of primary solidified nickel borides and eutectically solidified chromium carbides |
Specialty Wear and High Corrosion
R239
Nickel Matrix Alloy with common Tungsten Carbides providing both wear, and high corrosion resistance.
Technical Data
| Wear resistance | ++++ | |
| Corrosion Resistance | +++++ | |
| Layer thickness | min. 1.0 mm | |
| Roughness Ra | min. 0.2 – max. 0.8 | |
| Inner diameter | 18 – 165 mm | |
| Outside diameter | max. 290 mm | |
| Length | max. 3,000 mm | |
| Hardness at room temperature | min. 58 HRC | |
| Main alloy component | W, Cr, B | |
| Structural description | Dispersive hardening of a highly corrosive resistant Ni-matrix alloy with common tungsten carbides |
Alloys for Screws
Welded Screws - Flight Weldments
Colmonoy ®56
Nickel-Based Hard Surfacing Alloy – Typical Surfacing
Technical Data
| Surface Hardness | 46-51Rc | |
| Elements | B, C, CR, Fe, Ni, Si | |
Colmonoy ®57
Nickel-Based Hard Surfacing Alloy
Technical Data
| Surface Hardness | 47-52 Rc | |
| Elements | B, C, Cr, Fe, Ni, Si, W | |
Colmonoy ®83
Nickel-Chromium-Boron Matrix Alloy with Tungsten Carbide
Technical Data
| Surface Hardness | 50-55 Rc | |
| Elements | B, C, Cr, Fe, Ni, Si, W | |
Stellite™ 6 Alloy
Cobalt-based alloy
Technical Data
| Surface hardness | 36-45 Rc | |
| Elements | Co, Cr, W, C | |
Stellite™ 12 Alloy
Cobalt-based alloy
Technical Data
| Surface Hardness | 45-51 Rc | |
| Elements | Co, Cr, W, C | |
Through Hardened Tool Steels for Screws
CPM® 9V
Through Hardened Tool Steel – 9% Vanadium Carbide – 5.25% Chromium
Technical Data
| Surface Hardness | 54-56 Rc | |
| Elements | C, Mg, Si, Cr, Mo, V | |
CPM® S90V (420V)
Through Hardened Tool Steel – 9% Vanadium Carbide – 14% Chromium
Technical Data
| Surface Hardness | 54-56 Rc | |
| Elements | C, Cr, V, Mo | |
Special Alloys for Screws
Hastelloy C-276
Nickel-Molybdenum-Chromium Alloy with a small amount of Tungsten and Iron
Technical Data
| Surface Hardness | Rb 87 | |
| Elements | Ni, Mo, Cr, Fe, W, Co, Mn, V, Si, P, C, S | |
Inconel®718
Nickel Chromium composition
Technical Data
| Surface Hardness | 43-45 Rc | |
| Elements | Ni, Ch, multiple trace elements | |
Only Reiloy Wear Protection Is Based on Hard Alloys Developed and Produced In-House with Our Own Powders Ensuring Consistent Top-Quality
We have developed our own centrifugal technology in our production facilities. This total production chain from a single source provides us with control over every process. This ensures unrivaled, consistent quality across a wide range of sizes. To provide economical wear protection that is optimally matched to the raw materials used.
Reiloy iron-based alloys in competitive comparison
Reiloy nickel-based alloys in competitive comparison
THE ECONOMICAL CHOICE
Reiloy USA wear protection highlights
"Our analyses have confirmed what is already taught in materials science studies: Wear protection depends not only on macro-hardness, but on the entire microstructure."
Dr. Anna Rottstege
Head of Research & Development
OUR PROMISE.
You can rely on
Personal consultation
Top wear protection
Optimized material pairings
On time delivery
Geometries matched to the requirement
Serial production according to customer drawings
Ideal cost-benefit ratio
OUR EXPERTISE
Find the right wear protection with our experts
Our experts determine the optimum interaction between barrel and screw armor for each plasticizing unit and select the appropriate surface treatment.
We are the only screw and barrel manufacturer to develop and produce the hard material alloys and even the powders required for wear protection in-house in our own materials laboratory. This means we offer expertise across the entire process that is unique in the industry.
