European and British Standards

Designation systems
The designation systems used in BS EN 10025 are in accordance with:- BS EN 10027

The following list of symbols and their meanings will hopefully help the reader to understand the make up of the designations.

Symbols used in BS EN 10025
S = Structural steel
E = Engineering steel
"235" or "275" or "355" = min YS (N/mm2)@t<16mm
JR = Longitudinal Charpy V-notch impacts 27J @ 20oC
J0 = Longitudinal Charpy V-notch impacts 27J @ 0oC
J2 = Longitudinal Charpy V-notch impacts 27J @ -20oC
K2 = Longitudinal Charpy V-notch impacts 40J @ -20oC
G1 = Rimming steel (FU)
G2 = Rimming steel not permited (FN)
G3 = Supply condition "N" i.e. normalised or normalised rolled
G4 = Supply condition at the manufacturers discretion.

Examples S235JRG1, S275JR, S335K2G4

Quality Certificates and Memberships


This is to certify that the Quality Management System of

Alexander (Scotland) & Co
Meadowforth Road, Springkerse,
Stirling, FK7 7SA

Supply and delivery of metals and metal products
has been assessed and registered by NQA against
the provisions of BS EN ISO 9001 : 2000

This registration is subject to the company maintaining
a quality management system, to the above standard,
which will be monitored by NQA.
Alexander (Scotland) & Co Ltd, Meadowforth Rd, Springkerse, Stirling. FK7 7SA. Tel: 01786 473333 ©2007