1.0237 (E320): equivalents
ERW3KM · ES320
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Designations by country and standard
| Country / type | Standard | Designation |
|---|---|---|
| Europe | EN | 1.0237· E320 |
| France | AFNOR | ES320 |
| United Kingdom | BS | ERW3KM |
Equivalents are approximations: the composition and limits of the standards differ in part. For certificates, the ordered standard applies.