PA6 Nylon Round Bar
PA6 Nylon Round Bar is a dependable engineering plastic stock shape for buyers who need strong, machinable non-metallic material for rollers, bushes, sheaves, gears, guide strips, wear pads, and general industrial replacement parts. It is widely chosen when lower weight, quieter running, corrosion resistance, and practical workshop machining are more important than using a metal component.
PA6 Nylon Round Bar Specifications
| PA6 Nylon Round Bar | ||
|---|---|---|
| Parameter | Details | Typical Use |
| Typical diameter range | 6 mm to 450 mm | Small spacers through to large machined rollers and bushes |
| Density | 1.15 g/cm3 | Lightweight replacement parts and moving components |
| Yield stress | 80 MPa dry / 60 MPa humid | General engineering load comparison during material selection |
| Elongation due to tearing | 40% dry / 100% humid | Impact-prone and flexible machined parts |
| Tensile modulus | 3,100 MPa dry / 1,800 MPa humid | Guides, rollers and parts needing stiffness |
| Ball indentation hardness | 160 MPa dry / 125 MPa humid | Wear pads, guide surfaces and contact parts |
| Sliding friction coefficient against steel | 0.36 / 0.42 dry running | Sliding contact and guide applications |
| Melting temperature | +220 C | Thermal reference for machining and service review |
| Operating temperature range | -40 to +105 C long-term, up to +170 C short-term | Industrial service planning |
| Dielectric strength | 50 / 20 kV/mm | Electrical insulation and isolation parts |
| Water absorption until saturated | 6.5% | Fit and tolerance checks for humid environments |
Buying PA6 Nylon Round Bar for Wear Parts, Rollers and Machined Plastic Components
PA6 Nylon round bar is a smart choice for workshops and maintenance teams that need a reliable engineering plastic for custom machining. It is regularly used for sheaves, gears, wheels, bearings, wear strips, guide strips, spacers, rollers, and bush-type components where a combination of toughness, wear resistance, and easy machining helps keep fabrication practical and cost-effective.
The supplied PA6 cast data sheet gives this material strong technical support for industrial use. With density around 1.15 g/cm3, yield stress of 80 MPa dry and 60 MPa humid, tensile modulus up to 3,100 MPa in dry conditions, and ball indentation hardness up to 160 MPa dry, PA6 Nylon performs well in parts that need stiffness, surface durability, and reduced weight compared with metal alternatives. Its dry-running friction coefficient against steel of about 0.36 to 0.42 also makes it attractive for guide and sliding applications.
Where the part needs more chemical resistance or lower sliding friction, buyers should compare this material with PTFE Teflon Round Bar . If the finished component must carry more bearing load or work as a sleeve or thrust element, Bronze Round Bar may be the stronger choice, and the wider material family is grouped on the Round Bars page.
The most important checks before ordering are the intended application, operating environment, shaft or housing compatibility, lubrication condition, and final machining allowance required for the finished part. Confirming those points early makes it much easier to choose the right nylon PA6 round bar diameter and grade for a cost-effective, long-lasting result.
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