Germany · DIN

E155

DIN EN 10305-2:2003 — Steel tubes for precision applications - Technical delivery conditions - Part 2: Welded cold drawn tubes

Chemical composition

wt% · log scale
0.0010.010.1110Al0.015C0.11Mn0.7P0.025S0.025Si0.35
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2≥320 MPaTensile strength Rm≥400 MPaElongation A≥6 %welded steel tube +CYield strength Rp0.2≥245 MPaTensile strength Rm≥350 MPaElongation A≥10 %welded steel tube +LCYield strength Rp0.2≥155 MPaTensile strength Rm270–410 MPaElongation A≥28 %welded steel tube +NYield strength Rp0.2≥245 MPaTensile strength Rm≥350 MPaElongation A≥18 %welded steel tube +SR

Chemical composition

ElementminmaxSimilarRemarks
Al0.015Al total
C0.11
Mn0.7
P0.025
S0.025
Si0.35

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
welded steel tube +C≥320 Reh >= 0.8Rm≥400≥6 Elongation after fracture
welded steel tube +LC≥245 Reh >= 0.7Rm≥350≥10 Elongation after fracture
welded steel tube +N≥155 Upper yield strength270–410≥28 Elongation after fracture
welded steel tube +SR≥245 Upper yield strength≥350≥18 Elongation after fracture
welded steel tube +A≥130≥260≥28 Elongation after fracture