In what is termed a Class 1 Steel the alloys indicate tensile strengths of 630 MPa to 1100 MPa and elongations of 10 40% Class 2 Steel indicates tensile strengths of 875 MPa to 1590 MPa and elongations of {HEAD ~ 5 30% Class 3 Steel} indicates {TAIL ~ tensile strengths} of 1000 MPa to 1750 MPa and elongations of 0.5 15% 
indicates
In what is termed a Class 1 Steel the alloys indicate tensile strengths of 630 MPa to 1100 MPa and elongations of 10 40 % Class 2 Steel indicates tensile strengths of 875 MPa to 1590 MPa and elongations of { HEAD ~ 5 30 % Class 3 Steel } indicates { TAIL ~ tensile strengths } of 1000 MPa to 1750 MPa and elongations of 0.5 15 %
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH