ASTM A519

4340

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.380 0.600 0.150 0.700 - - - - - - - -
Max 0.430 0.800 0.450 0.900 2.000 - - 0.035 0.040 0.350 - -

Mechanical Properties

Tensile Strength 1069 MPa min 155,000 psi min
Yield Strength 800 MPa min -
  116,000 psi min -
Total Elongation Under Load 11.000 % -
Hardness 37 Max HRC -

4145

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.430 0.750 0.150 0.800 - - - - - - - -
Max 0.480 1.000 0.250 1.100 - - - 0.040 0.040 0.350 - -

8620

General purpose pipe manufactured to ASTM Specification 519

Available in bar dimensions of 76.2 mm (3") to 762 mm (30")

Length range up to 6.1 m (20')

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.180 0.700 0.150 0.400 - - - - - - - -
Max 0.230 0.900 0.250 0.600 0.700 - - 0.025 0.025 0.350 - -

1018

General purpose pipe manufactured to ASTM Specification 519

Available in mechanical tube dimensions of 50.8 mm (2") od to 457.2 mm (18") od / 4.78 mm (0.19") wall to 101.6 mm (4") wall

Available in bar dimensions of 76.2 mm (3") to 762 mm (30")

Length range up to 6.1 m (20')

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.150 0.600 - - - - - - - - - -
Max 0.200 0.900 - - - - - 0.040 0.050 - - -