EN Standards for Stainless Steel Cold Rolled Sheet

For Cold rolled stainless steel the old BS1449 standard has been replaced by two EN Standards:

Thickness Tolerances - EN10259

Thickness (mm) Tolerances (+/- mm) for Given Width in mm Tolerances (+/- mm) for Given Width in mm Tolerances (+/- mm) for Given Width in mm

100

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

-

0.60 to 0.79

0.05

0.05

-

0.80 to 0.99

0.055

0.06

0.06

1.00 to 1.19

0.06

0.07

0.07

1.20 to 1.49

0.07

0.08

0.08

1.50 to 1.99

0.08

0.09

0.10

2.00 to 2.49

0.09

0.10

0.11

2.50 to 2.99

0.11

0.12

0.12

3.00 to 3.99

0.13

0.14

0.14

Flatness Tolerance

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 Tolerances (mm) for Given Width in (mm) All Plus Tolerances (mm) for Given Width in (mm)

1000

1250 & 1500

Under 1.50

+1.50

+2.00

1.50 to 2.49

+2.00

+2.50

2.50 to 3.49

+3.00

+3.00

3.50 and over

+4.00

+4.00

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 treated, 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 and tempered, scale free

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

BS EN Finish Old BS Finish Description Typical Grit Typical Ra

1G or 2G

-

Ground Grit

120

2.50 to 2.00

1J or 2J

3B

Brushed - Unidirectional

180

1.20 to 1.00

1J or 2J

4

Dull Polished - Unidirectional

240

0.60

1K or 2K

5

Satin Polished - Unidirectional

320

0.50 max

1P or 2P

7

Bright Polished - Non- Directional with a high degree of image clarity

600

0.10

1P or 2P

8

Bright Polished - Non- Directional with a 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

*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 further information on stainless steel finishes, please refer to the Righton Blackburns technical datasheet on this subject.

Material Certification

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

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