DIN 2391 Steel Seamless Precision Tubes

DIN 2391 Steel Seamless Precision Tubes

DIN 2391 Steel Seamless Precision Tubes

1. Field of Application
This standard applies to seamless precision steel tubes, and in compliance with ISO/DIS 3304, mainly used where accuracy to size and, possibly, a small wall thickness, a particular surface condition and specific mechanical properties are required.

2. Steel Grade Symbol
Steel Grade as in DIN EN 10027 (Material number) - Previous designation used in Germany
S215GSiT (1.0211) - St 30 Si
S215GA1T (1.0212) - St 30 A1
S235G2T (1.0308) - St 35
S255GT (1.0408) - St 45
S355GT (1.0580) - St 52

3. The Chemical Composition and Mechanical Properties in details, please check DIN 2391.
4. The tolerance on dimension in details, please check DIN 2391.

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