Chrome Molybdenum Pressure Vessel Grade Steel – EN 10028 13CrMo45

The chrome moly steel, 13CrMo45, is mainly intended for use in the development of weldable steel pressure boilers and vessels in elevated temperature service.

The material has excellent anti-corrosive properties and provides excellent performance with higher than normal temperature resistance, making it perfect for use in sour service environments.

13CrMo45 is popular with the oil, gas, and petrochemical industries, and is supplied under the EN 10028 euro norm standard.

Technical information is given below for 13CrMo45.

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Mechanical Properties of 13CrMo45

Grade Thickness Yield
Strength
Tensile
Strength
Elongation
(A)
Impact
energy KV
at test
temperature
  (mm) 50 100 150 -20 0 +20
    MPa MPa % J J J
16Mo3 < 16 300 450/600 19 - - 31
  > 16 < 60 290 450/600 19 - - 31
  > 60 < 100 270 440/590       27
  > 100 < 150 255 430/580       27
  > 150 < 250 245 420/570       27

 

Chemical Composition of 13CrMo45

  %
Carbon (C) 0.08/0.18
Silicon (Si) 0.35
Manganese (Mn) 0.40/1.00
Phosphorus (P) 0.025
Sulphur (S) 0.010
Chromium (Cr) 0.70/1.15
Molybdenum (Mo) 0.40/0.60
Nitrogen (N) 0.012
Copper (Cu) 0.30

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