4140

General purpose pipe manufactured to ASTM Specification 519

Available in mechanical tube dimensions of 69.85 mm (2.75") od to 508 mm (20") od / 8.53 mm (0.34") wall to 82.55 mm (3.25") wall

Length range up to 10.67 m (35')

Available in bar dimensions of 38.1 mm (1.5") to 762 mm (30")

Length range up to 9.14 m (30')

Product Group: 
Mechanical Bar & Tube

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.750 0.150 0.800 - - - - - - - -
Max 0.430 1.000 0.250 1.100 - - - 0.040 0.040 0.350 - -

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.750 0.150 0.800 - - - - - - - -
Max 0.430 1.000 0.250 1.100 0.250 0.250 - 0.025 0.025 0.350 0.300 0.040

Mechanical Properties

Tensile Strength 689 MPa min 100,000 psi min
Yield Strength 552 MPa min 655 MPa max
  80,000 psi min 95,000 psi max
Total Elongation Under Load 20.000 % -
Hardness 22 Max HRC -

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.750 0.150 0.800 - - - - - - - -
Max 0.430 1.000 0.250 1.100 0.250 0.250 - 0.025 0.025 0.350 0.300 0.040

Mechanical Properties

Tensile Strength 862 MPa min 125,000 psi min
Yield Strength 758 MPa min 965 MPa max
  110,000 psi min 140,000 psi max
Total Elongation Under Load 13.000 % -
Hardness 36 Max HRC -

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.750 0.150 0.800 - - - - - - - -
Max 0.430 1.000 0.250 1.100 0.250 0.250 - 0.025 0.025 0.350 0.300 0.040

Mechanical Properties

Tensile Strength 862 MPa min 125,000 psi min
Yield Strength 862 MPa min 965 MPa max
  125,000 psi min 140,000 psi max
Total Elongation Under Load 13.000 % -
Hardness - 341 Max HBW