ASTM A369 Grade FP22 Cr-Mo Steel
Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength470MPa
Yield Strength240MPa
Brinell Hardness140HB
Maximum Service Temperature460°C
Chemical Composition
C
0.050 to 0.15%
CR
1.9 to 2.6%
MO
0.87 to 1.1%
MN
0.3 to 0.6%
SI
0 to 0.5%
P
0 to 0.025%
S
0 to 0.025%
FE
95 to 96.9%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
20 %
Fatigue Strength
160 MPa
Poisson's Ratio
0.29
Shear Modulus
74 GPa
Shear Strength
300 MPa
Tensile Strength: Ultimate (UTS)
470 MPa
Tensile Strength: Yield (Proof)
240 MPa
Hardness
Brinell Hardness
140
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
460 °C
Melting Completion (Liquidus)
1470 °C
Melting Onset (Solidus)
1430 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
39 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
PREN (Pitting Resistance)
5.5
Resilience: Ultimate (Unit Rupture Work)
80 MJ/m 3
Resilience: Unit (Modulus of Resilience)
150 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
17 points
Strength to Weight: Bending
17 points
Environmental
Base Metal Price
3.8 % relative
Embodied Carbon
1.7 kg CO 2 /kg material
Embodied Energy
23 MJ/kg
Embodied Energy
23 MJ/kg 9.8 x 10 3 BTU/lb
Embodied Water
58 L/kg
Embodied Water
58 L/kg 6.9 gal/lb
Registered Designations & Aliases
ASTM A369 Grade FP22 Cr-Mo Steel
Standards
ASTM A369 ASTM A369: Standard Specification for Carbon and Ferritic Alloy Steel Forged and Bored Pipe for High-Temperature Service