Chrome

25CR

Available in bar dimensions of 50.8 mm (2") to 431.8 mm (17")

Length range up to 9.14 m (30')

  • Select Yield :
  • 85

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 3.000 24.000 - - - - - - - -
Max 0.025 0.800 4.000 26.000 8.000 2.000 - 0.025 0.002 0.800 - -

Mechanical Properties

Tensile Strength 814 MPa min 118,000 psi min
Yield Strength 586 MPa min -
  85,000 psi min -
Total Elongation Under Load 30.000 % -
Hardness 28 Max HRC -

S13CR NACE EQUIV.

Available in mechanical tube dimensions of 76.1 mm (3") od to 280.49 mm (11.04") od / 9.53 mm (0.38") wall to 38.61 mm (1.52") wall

Length range up to 13.12 m (43')

Available in bar dimensions of: 50.8 mm (2") to 762 mm (30")

Length range up to 9.14 m (30')

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 1.500 11.500 - - - - - - - -
Max 0.030 1.000 2.500 13.500 6.000 - 0.500 0.020 0.005 0.500 0.500 -

Mechanical Properties

Tensile Strength 724 MPa min 105,000 psi min
Yield Strength 655 MPa min 827 MPa max
  95,000 psi min 120,000 psi max
Total Elongation Under Load 20.000 % -
Hardness 28 Max HRC -

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min - - 1.500 11.500 - - - - - - - -
Max 0.030 1.000 2.500 13.500 6.000 - 0.500 0.020 0.005 0.500 0.500 -

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 15.000 % -
Hardness 32 Max HRC -

13CR (420 MOD)

Available in mechanical tube dimensions of 76.1 mm (3") od to 280.49 mm (11.04") od / 9.53 mm (0.38") wall to 38.61 mm (1.52") wall

Length range up to 13.12 m (43')

Available in bar dimensions of 50.8 mm (2") to 762 mm (30")

Length range up to 9.14 m (30')

  • Select Yield :
  • 80

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.180 0.400 - 12.500 - - - - - - - -
Max 0.220 1.000 0.500 14.000 0.200 0.200 - 0.020 0.005 0.800 1.000 -

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 -

9CR

General purpose pipe manufactured to ASTM Specification 519

Similar to 4140 (which has a lower carbon level), 9CR has improved hardenability and is more commonly used in the higher strength >= 110ksi condition.

Available in bar dimensions of 50.8 mm (2") to 762 mm (30")

Length range up to 9.14 m (30') 

  • Select Yield :
  • 80

Chemical Composition

C Mn Mo Cr Ni Cu Ti P S Si V Al
Min 0.090 0.300 0.900 8.000 - - - - - - - -
Max 0.150 0.600 1.100 10.000 0.250 0.250 - 0.020 0.010 1.000 - 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 -