United States · API

E-75

API 5D — Specification for Drill Pipe

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≥54 J

Chemical composition

ElementminmaxSimilarRemarks
P0.03
S0.03

Mechanical properties

Heat treatment / conditionYield strengthTensile strengthElongationReduction of areaImpact energyHardness
Seamless tubes, normalized and tempered or quenched and tempered517–724≥689≥54