AISI 4140 seamless alloy chrome steel tube

  ASTM A519 AISI 4130 4140 seamless alloy chrome Steel Tube      1 standard Astm A 519 seamless steel tube   2 seamless carbon and alloy chrome steel mechanical tubing, hot rolled or cold drawn produce flow       3 chemical requirements of Low-carbon steels: MT 1010, MT 1015, MT 1020        Chemical requirement of other carbon steels 1008, 1010, 1015, 1020, 1025, 1030, 1045         Chemical requirement of alloy steels aisi 4140  aisi 4130       4 hot-finished tubing OD 21.3-273mm       5 delivery condition: sizing methods: HF-hot finished                                        CW-cold worded                                        RT-rough turned                                         G-Ground  

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

      

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