Data Sheets

Stainless Steel   |   General Information

EN Standards for Stainless Steel C.R. Sheet


For Cold rolled stainless steel the old BS1449 standard has been replaced by two EN Standards:

EN10088-2 Replaces BS1449-Part 2: 1983

EN10059 - Covers Heat Resisting Grades

EN10259 & Now ISO 9445: Tolerances for COLD Rolled material


Material Certification

Where multi-certification is required, a combination of EN10088-2, EN10029 or 10051 will appear together with the appropriate ASTM Standards.

Thickness Tolerances - EN10259

Thickness (mm) Tols (+/-mm) for given width in mm Tols (+/-mm) for given width in mm Tols (+/-mm) for given width in mm
1000 1250 1500
Under 0.30 0.03 - -
0.30 to 0.49 0.04 0.04 -
0.50 to 0.59 0.045 0.05 -
0.6 to 0.79 0.05 0.05 -
0.8 to 0.99 0.055 0.06 0.06
1.0 to 1.19 0.06 0.07 0.07
1.2 to 1.49 0.07 0.08 0.08
1.5 to 1.99 0.08 0.09 0.10
2.0 to 2.49 0.09 0.10 0.11
2.5 to 2.99 0.11 0.12 0.12
3.0 to 3.99 0.13 0.14 0.14

Flatness Tolerances

Nominal Length (L) (mm) Normal Tolerance (mm)
Up to 3000 10
Over 3000 12

Length Tolerances

Nominal Length (L) (mm) Normal Tolerance (mm)
Up to 2000 +5 / -0
Over 2000 +0.0025 x L / -0

Width Tolerances

Thickness (mm) All Plus Tols (mm) for Given Width in (mm) All Plus Tols (mm) for Given Width in (mm)
1000 1250 & 1500
Under 1.5 +1.5 +2.0
1.5 to 2.49 +2.0 +2.5
2.5 to 3.49 +3.0 +3.0
3.5 and Over +4.0 +4.0

Finishes According to BS EN 10088-2 / 10028-7

BS EN Finish Old BS Finish Description
Hot Rolled
1C 0 Hot rolled, heat treated, not descaled
1E 1 Hot rolled, heat treated, mechanically descaled
1D 1 Hot Rolled, heat treated, pickled
1U - Hot rolled, not heat treayed, not descaled
Cold Rolled
2C - Cold rolled, heat treated, not descaled
2E - Cold rolled, heat treated, mechanically descaled
2D 2D Cold Rolled, heat treated, pickled
2B 2B Cold Rolled, heat treated, pickled, skin passed
2R 2A / (BA) Cold Rolled bright annealed
2Q - Cold Rolled, hardened & tempered, scale free

Finishes According to BS EN 10088-2 / 10028-7

*NOTE:  Special finishes indicate hot rolled (1) and cold rolled (2) sheets, e.g.: Ground polished hot rolled sheets + 1G / Ground polished cold rolled sheets = 2G

 

For more information on stainless steel finishes please refer to the AAlco technical datasheet on this subject.

BS EN Finish Old BS Finish Special Finishes - Description Typical Grit Typical Ra
1G or 2G - Ground Grit 120 2.5 to 2.0
1J or 2J 3B Brushed - Unidirectional 180 1.2 to 1.0
1J or 2J 4 Dull Polished - Unidirectional 240 0.6
1K or 2K 5 Satin Polished - Unidirectional 320 0.5 Max
1P or 2P 7 Bright Polished - Non- Directional with a high degree of image clarity 600 0.1
1P or 2P 8 Mirror Finish - Non-Directional with a very high degree of image clarity 800 0.05
1M or 2M - Patterned
2L - Coloured
2W - Corrugated
1S or 2S - Surface Coated (Metallic coatings such as tin, lead or aluminium