ASTM A182 Grade FR (K22035) Steel
Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength490MPa
Yield Strength360MPa
Brinell Hardness170HB
Maximum Service Temperature410°C
Chemical Composition
C
0 to 0.2%
NI
1.6 to 2.2%
MN
0.4 to 1.1%
P
0 to 0.045%
S
0 to 0.050%
CU
0.75 to 1.3%
FE
95.2 to 97.3%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
28 %
Fatigue Strength
270 MPa
Poisson's Ratio
0.29
Reduction in Area
43 %
Shear Modulus
72 GPa
Shear Strength
320 MPa
Tensile Strength: Ultimate (UTS)
490 MPa
Tensile Strength: Yield (Proof)
360 MPa
Hardness
Brinell Hardness
170
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
410 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
52 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
14 points
Electrical
Electrical Conductivity: Equal Volume
7.5 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.6 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
120 MJ/m 3
Resilience: Unit (Modulus of Resilience)
340 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
3.3 % relative
Embodied Carbon
1.6 kg CO 2 /kg material
Embodied Energy
21 MJ/kg
Embodied Energy
21 MJ/kg 9.0 x 10 3 BTU/lb
Embodied Water
52 L/kg
Embodied Water
52 L/kg 6.2 gal/lb
Registered Designations & Aliases
ASTM A182 Grade FR (K22035) SteelK22035
Standards
ASTM A182 ASTM A182: Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service