
Tank & Pressure Vessel Finishes
Material Finish Options for Fabricated Tanks,
Vessels, and Equipment
Tank & Pressure Vessel Finishes
Bendel's Industrial products can be fabricated with any of the following material finish options. These designations apply to stainless steel sheet, plate, pipe, and bar. Questions? Send us an inquiry here or contact us by phone to learn more: (+1) 866.596.5112
HR - Hot Rolled


Hot Rolled (HR)
Grit: n/a
RA Range: n/a
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Rough, dull surface appearance. Most scale removed by pickling. Applies to all steel plate 3/16" and thicker. Specify where surface finish is a low priority.
2B - Mill Finish


Mill Finish (2B)
Grit: n/a
RA Range: n/a
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A smooth, bright, moderately reflective finish suitable for "as is" specifications or as a preliminary finish for further polishing. Available only in 1/4" or thinner sheet material..
HR - Hot Rolled


No. 3
Grit: 120
RA Range: 40-50
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A semi-polished surface achieved by finishing with the equivalent of a 120-grit abrasive. This finish has a pronounced grit line. Typically used with a No. 3 weld finish.
No. 4 Finish


No. 4
Grit: 100
RA Range: 15-30
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A sanitary, general purpose, bright finish with visible grain which prevents mirrorlike reflectivity. Use where sanitary surfaces are required. Meets current 3A standards. Typically used with a No. 4 weld finish
No. 6 Finish


No. 6
Grit: 240
RA Range: 10-15
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Polished finish achieved with the equivalent of a 240-grit abrasive. Finer grit lines and higher reflectivity than No. 4 finish. Improved product release, cleanability, and appearance. Typically used with a No. 6 weld finish.
No. 7 Finish


No. 7
Grit: 320
RA Range: <10
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Highly reflective surface obtained with the equivalent of a 320-grit abrasive. Minimal grit lines. Used where product-contact surfaces are critical. Typically used with a No. 7 weld finish.

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