... /T; 100% L/C at sight; Western Union; D/A; D/P; O/A MECHANICAL PROPERTIES Steel grade Yield strength Tensile strength ... ,K,C,L,N,P 6.35 YES YES YES 13.50 C,L,N,P 7.37 YES YES 15 ... .10 P,Q 8.56 YES YES 127.00 ... YES YES 15.00 J,K,C,L,N,P 7.52 YES YES YES 18.00 C,L,N ... YES YES 17.00 J,K,C,L,N,P 7.72 YES YES YES 20.00 C,L,N ... YES 273.05(10 3/4") 32.75 H 7.09 YES 40.50 H,J,K 8.89 ...