﻿io POPPLEWELL, Uniform Stress and Permanent Strain* 



Table IV. — Specimen cut from low grade merchant 

 bar wrought iron. No. 4. 



Z = 2*030 ins. ^=0*998 in. 



Side measurements, /£ = 0*174. End measurements, /£ = 0*172. 



w 



e 



P. 



C . 



e 



P 



C 



20'2 



0*0223 



25'253 



497 



0-0172 



25-365 



51*02 



22*2 



0-0352 



27'334 



49" 6 3 



O-0290 



25'5 6 3 



5061 



24*2 



0*0517 



29-336 



.49-71 



0-0440 



29*581 



5087 



262 



0*0715 



31-096 



4974 



0*0610 



3 1 '456 



50*87 



28*2 



0*0950 



32-622 



4961 



0-0823 



33*083 



50-88 



Mean value of C = 



49-68 



1 



= 



50-82 



