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65971. High Quality Customizable 42CrMo (AISI 4140 42CrMo4 SCM440 42CrMoA) Alloy Steel Round Bar for ... 
[Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65972. Not Prone Cracking OEM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Hot-Rolled Alloy Steel Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65973. Not Prone to Cracking Customizable 42CrMo (AISI 4140 42CrMo4 SCM440 42CrMoA) Round Steel Rod for ... [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65974. Deformation-Resistant OEM/ODM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Alloy Steel Bar for Chemical ... [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65975. High Performance OEM/ODM Custom 4140 42CrMo4 Scm440 42CrMoA Hot-Rolled Steel Bar for Construction ... [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65976. High Pressure Resistance Custom AISI 4140 42CrMo4 Scm440 42CrMoA Hot-Rolled Steel Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65977. Wear Resistant OEM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Steel Bar for Foundry [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65978. Multi-Purpose OEM/ODM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Hot-Rolled 1m-9m Steel Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65979. Strong OEM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Round Steel Rod for Oil Refinery [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65980. High Compressive Strength Customizable AISI 4140 42CrMo4 Scm440 42CrMoA Alloy Steel Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65981. High Load-Bearing Capacity Customization AISI 4140 42CrMo4 Scm440 42CrMoA Chrome Moly Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65982. Wear Resistant Custom AISI 4140 42CrMo4 Scm440 42CrMoA Hot-Rolled Chrome Moly Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65983. High Strength OEM/ODM Custom AISI 4140 42CrMo4 Scm440 42CrMoA Alloy Steel Bar for Construction ... [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65984. High Rigidity OEM/ODM Custom AISI 4140 42CrMo4 Scm440 42CrMoA 1m-9m Steel Round Bar [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
65985. High Performance Customization 4140 42CrMo4 Scm440 42CrMoA Alloy Steel Round Bar for Petrochemical ... [Jun 11, 2026]
[Jun 11, 2026] Chemical Composition (Mass Fraction, %) Element Content Range C (Carbon) 0.38 - 0.45 Si (Silicon) 0.17 - 0.37 Mn (Manganese) 0.50 - 0.90 Cr (Chromium) 0.90 - 1.20 Mo (Molybdenum) 0.15 - 0.25 P (Phosphorus) ≤ 0.02 S ...
