Straightlining

We deliver premium straightline finishing with methods that include stroke sanding and timesaving of various metals for aesthetic requirements in many industries.

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Looks and Quality that Make The Difference

Depending on your specifications, we can finish your products with low grit sanding to remove imperfections up to high grit to produce a near-polished finish.

Common Materials We Finish with Straightlining

Aluminum
Stainless steel
Bronze or brass alloys
Sheets and plates
3-dimensional products

The metal finishing process is sometimes referred to as straight-line, stroke sanded, brushed, grained, or #4 finish.

The Work Behind Quality

Our onsite engineers and technicians maintain our timesaver sanders and straightlining machines to meet our stringent requirements. Perfect calibration delivers optimal performance and quality results.

Other Services

Tube Sanding

FAQs

Arrow Cryogenics uses timesaver sanding and straightlining to produce straight lines in stainless steel and other metal materials and create a flawless, uniform finish – and – to improve part flatness and increase the adhesion surface of a part or component.

The industries that most benefit from timesaver sanding and straightlining are:

Medical devices
Food service equipment
Automotive
Electronics
Marine

Timesaver sanding and straightlining finishes stainless steel and other metal material parts efficiently and cost effectively to create a flawless and uniform finish.

Surface Roughness Conversion Chart
Ra (micrometers)	Ra (microinches)	RMS	CLA (N)	Rt	N	Cut-off Length (in)	Cut-off Length (mm)
0.025	1	1.1	1	.3	1	0.003	0.08
0.05	2	2.2	2	0.5	2	0.01	0.25
.1	4	4.4	4	0.8	3	0.01	0.25
.2	8	8.8	8	1.2	4	0.01	0.25
0.4	1.6	17.6	16	2.0	5	0.01	0.25
0.8	32	32.5	32	4.0	6	0.03	0.8
1.6	63	64.3	53	8.0	7	0.03	0.8
3.2	125	137.5	125	13	8	0.1	2.5
6.3	250	275	250	25	9	0.1	2.5
12.5	500	550	500	50	10	0.1	2.5
25.0	1000	1100	1000	100	11	0.3	8.0
50.0	2000	2200	2000	200	12	0.3	8.0
Ra = Roughness Average in micrometers or microinches. RMS = Root Mean Square in microinches. CLA = Center Line Average in microinches. Rt = Roughness Total in microns N = New ISO (grade) scale numbers. Cut-off Length = Length required for sample.