Hairline (Long Grain) Finish
What is Hairline Finish (Long Grain) Finish?
Hairline finish (long grain) is a type of finish applied to stainless steel to provide a smooth and even surface. The finish is achieved by sanding the surface of the stainless steel with an abrasive material, usually a grit size of 180-240. The sanding is done in a specific direction, typically in the longitudinal direction, which creates a consistent and visible pattern that resembles hairline or long grain.
How is hairline finish achieved?
Hairline finish (long grain) is achieved through a sanding process that involves using an abrasive material to smooth and even out the surface of the stainless steel. The process typically involves using a grit size of 180-240 and sanding the surface in a specific direction, usually in the longitudinal direction. The direction of the sanding is what creates the consistent and visible pattern that resembles hairline or long grain.
The sanding process is repeated until the desired finish is achieved. Once the sanding process is complete, the surface is typically cleaned to remove any residue or debris left behind from the sanding. This creates a smooth and uniform surface with a distinct pattern that enhances the aesthetic appeal of the stainless steel.
Applications of Hairline Finish
- Architectural and Interior Design: Hairline finish (long grain) is widely used in architectural and interior design projects for cladding, elevators, and escalators. The uniform pattern of the finish creates a sleek and modern look that complements the overall design.
- Kitchenware: Hairline finish (long grain) is also used in the production of kitchenware such as sinks, countertops, and appliances. The finish provides a smooth and even surface that is easy to clean and maintain.
- Automotive Parts: Hairline finish (long grain) is also used in the production of automotive parts such as trims and panels. The finish provides a visually appealing surface that enhances the overall design of the vehicle.
Frequently asked questions
A: A hairline finish is achieved by sanding the surface of the stainless steel with an abrasive material in a specific direction to create a visible pattern that resembles hairline or long grain. A brush finish, on the other hand, is achieved by using a brushing tool to create a pattern of parallel lines on the surface of the stainless steel.
Q: What is the maximum thickness of stainless steel that can be given a hairline finish?
A: The maximum thickness of stainless steel that can be given a hairline finish depends on the type of stainless steel and the equipment used. In general, hairline finish is best suited for thin to medium thicknesses of stainless steel.
Q: Is a hairline finish scratch-resistant?
A: A hairline finish is not scratch-resistant, but scratches can be less visible due to the uniform pattern created by the sanding process. It is still important to take care when handling and using stainless steel with a hairline finish.
Q: Can a hairline finish be applied to other metals besides stainless steel?
A: A hairline finish can be applied to other metals besides stainless steel, but the process and results may differ depending on the type of metal and the equipment used.
Q: Can a hairline finish be repaired if it gets damaged?
A: Hairline finish can be repaired, but it may require the assistance of a professional. The process will depend on the extent of the damage and the type of equipment and materials needed to restore the finish.
We provide hairline(long grain) for all metal types. Get in touch with our ASMG team to discuss your project and request a quote.
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