Tubo de aço cromo AISI 4140 liga sem costura

Grade and Chemical Composition (%)   for ASTM A519 Seamless carbon and Alloy Steel Mechanical tube

Grade     C     Mn     P≤     S≤     Si     Cr     Mo

1008     ≤0.10    0.30-0.50    0.040    0.050    -    -    -

1010     0.08-0.13    0.30-0.60    0.040    0.050    -    -    -

1018     0.15-0.20    0.60-0.90    0.040    0.050    -    -    -

1020     0.18-0.23    0.30-0.60    0.040    0.050    -    -    -

1025     0.22-0.28    0.30-0.60    0.040    0.050    -    -    -

1026     0.22-0.28    0.60-0.90    0.040    0.050    -    -    -

aisi 4130     0.28-0.33    0.40-0.60    0.040    0.040    0.15-0.35    0.80-1.10    0.15-0.25

aisi 4140     0.38-0.43    0.75-1.00    0.040    0.040    0.15-0.35    0.80-1.10    0.15-0.35