Stainless Steel - EN Standards For Stainless Steel C.R. Sheet

Stainless Steel - EN Standards For Stainless Steel C.R. Sheet

EN Standards for Stainless Steel C.R. Sheet For Cold rolled stainless steel the old BS1449 standard has been replaced by two EN Standards: EN10088-2 Replaces BS1449-Part 2: 1983 EN10059 - Covers Heat Resisting Grades EN10259 & Now ISO 9445: Tolerances for COLD Rolled material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...
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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For Cold rolled stainless steel the old BS1449 standard has been replaced by two EN Standards: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




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