DIN 2391 precision steel tube

General description

  • General description Cold drawn or cold rolled
  • Design as per DIN 2391 / DIN 1630 / EN 10305-1
  • O.D.: 6-60mm
  • W.T.: 1-15mm
  • Steel Grade: ST-35, ST-37.4, ST-52
  • Delivery condition: NBK, BK, BKW, GBK
  • Surface finish phosphated or galvanized
Grade and Chemical Composition(%):
Grade C % Si % Mn % P % S %
St 35 0,17 0,35 0,40 0,025 0,025
St 45 0,21 0,35 0,40 0,025 0,025
St 52 0,22 0,55 1,60 0,025 0,025

Mechanical Properties
Grade BK BKW BKS GBK NBK
T.S A(%) T.S A(%) T.S ReH A(%) T.S A(%) T.S ReH A(%)
St35 480 6 420 10 420 315 14 315 25 340-470 235 25
St45580552085203751239021 440-57023521
St52640458075804201049022490-63035522

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