DIN 17124 Seamless Circular Fine Grain Steel Tubes for Structural Steel Work - technical delivery conditions

1. Field of application
1.1 This standard applies to seamless circular tubes made from the fine grain structural steels listed in table 1. These tubes are used in structural steel work (as in building and civil engineering, tubular steel construction, bridge and crane construction, etc.) They are not intended to withstand internal or external pressures.
1.2 This standard does not apply to seamless circular fine grain structural steel tubes subject to special requirements as specified in DIN 17179.

2. Steel Grade Symbols
StE255
TStE255
EStE255
StE285
TStE285
EStE285
StE355
TSTE355
EStE355
StE420
TStE420
EStE420
STE460
TStE460
EStE460

3. The Chemical Composition and Mechanical Properties in details, please check DIN 17124.
4. The tolerance on dimension in details, please check DIN 17124.