Romania · STAS

Grade E75

SR EN ISO 11961

Chemical composition

wt% · log scale
0.010.1P0.03S0.03
  • min – max range
  • typical value

Mechanical properties

value range by condition
Yield strength Rp0.2517–724 MPaTensile strength Rm≥689 MPaImpact energy Kv/Ku≥30 JImpact energy Kv/Ku≥43 JImpact energy Kv/Ku≥54 J

Chemical composition

ElementminmaxSimilarRemarks
P0.03
S0.03

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
steel tubes, normalized/ tempered/N+T517–724≥689≥30 Minimum average energy of each set of three specimens; minimum energy of any spe；≥43 Minimum average energy of each set of three specimens; minimum energy of any spe；≥54 Minimum average energy of each set of three specimens; minimum energy of any spe