sales@warleypolishing.co.uk
Warley Polishing Co Ltd
Unit 4-5 James Scott Road
Cradley
Halesowen
West Midlands
B63 2QT

Tel: 01384 634036
Fax: 01384 411025
sales@warleypolishing.co.uk

Stainless Steel Reference Chart

British
Standard
European
Standard
303 S31
1.4305
304 S11
1.4307
304 S31
1.4301
316 S11
1.4404
316 S31
1.4401
316 TI 1.4571
320 S31
1.4571
 
British
Standard
European
Standard
321 S31
1.4541
409 S19 1.4512
416 S21
1.4005
430 S17
1.4016
431 S29
1.4057
17-4PH 1.4542
F51

1.4462

Surface Finishes

BS EN Description
I IE Hot rolled, softened mechanically descaled
I ID Hot rolled,softened,pickled
2D 2D Cold rolled,heat treated,pickled
2B 2B Cold rolled, heat treated, pickled skin passed on bright rolls
BA 2R Cold rolled, Bright annealed

Correlation between grit values, transverse Ra values in microns and the new abbreviations according to BS EN 10088

Grit Finish Ra
Microns
BS EN 10088 Description

Old
Description

120 1.0 - 2.0 2G Ground 3A
180 0.6 - 1.2 2J Dull Polished or Brushed 3B or 4
240 0.5 - 1.0 2J Dull Polished or Brushed 3B or 4
280 0.4 - 0.8 2J Dull Polished or Brushed 3B or 4
240S
Si - Carbide
0.15 - 0.4 2K Satin Polish 5