set terminal postscript mono eps enhanced "Times-Roman, 30"
set origin 0,0
set size 1,1
set output "Hardness.eps"

set key bottom left title "Transformed at"
set xlabel "Time / h"
set ylabel "Hardness/ HV50" offset 1.5
set yrange [300:700]
set xrange [0:250]
set label 1 "Tempering at 500^oC" at graph 0.1,0.9

plot "Hardness.txt" using 1:2:3 title "200^oC" w yerrorbars lt 2 pt 7 ps 1.5,\
       "Hardness.txt" using 4:5:6  title "220^oC" w yerrorbars lt 3 pt 5 ps 1.5,\
        "Hardness.txt" using 7:8:9  title "250^oC" w yerrorbars lt 1 pt 9 ps 1.5

set output "Hardness_log.eps"
set xlabel "Log time / h" 
set ylabel "Hardness"
set yrange [450:650]
set xrange [0:110]
plot "Hardness.txt" using (log($1)):2:3 title "200C" w yerrorbars 5,\
     "Hardness.txt" using (log($4)):5:6  title "220C" w yerrorbars 7,\
     "Hardness.txt" using (log($7)):8:9  title "250C" w yerrorbars 1
reset
