ASTM A182 Grade F5a (K42544) Steel
Alloy Steels
Property Overview
Density7.8g/cm³
Elastic Modulus190GPa
Tensile Strength710MPa
Yield Strength520MPa
Brinell Hardness310HB
Maximum Service Temperature510°C
Chemical Composition
C
0 to 0.25%
CR
4.0 to 6.0%
NI
0 to 0.5%
MO
0.44 to 0.65%
MN
0 to 0.6%
SI
0 to 0.5%
P
0 to 0.040%
S
0 to 0.030%
FE
91.4 to 95.6%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
25 %
Fatigue Strength
380 MPa
Poisson's Ratio
0.29
Reduction in Area
56 %
Shear Modulus
74 GPa
Shear Strength
450 MPa
Tensile Strength: Ultimate (UTS)
710 MPa
Tensile Strength: Yield (Proof)
520 MPa
Hardness
Brinell Hardness
310
Physical
Density
7.8 g/cm 3
Thermal
Latent Heat of Fusion
260 J/g
Maximum Temperature: Mechanical
510 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
40 W/m-K
Thermal Diffusivity
11 mm 2 /s
Thermal Expansion
13 µm/m-K
Thermal Shock Resistance
20 points
Electrical
Electrical Conductivity: Equal Volume
8.2 % IACS
Electrical Conductivity: Equal Weight (Specific)
9.4 % IACS
Calculated
PREN (Pitting Resistance)
6.8
Resilience: Ultimate (Unit Rupture Work)
160 MJ/m 3
Resilience: Unit (Modulus of Resilience)
700 kJ/m 3
Stiffness to Weight: Axial
14 points
Stiffness to Weight: Bending
25 points
Strength to Weight: Axial
25 points
Strength to Weight: Bending
23 points
Environmental
Base Metal Price
4.5 % relative
Embodied Carbon
1.8 kg CO 2 /kg material
Embodied Energy
24 MJ/kg
Embodied Energy
24 MJ/kg 10 x 10 3 BTU/lb
Embodied Water
69 L/kg
Embodied Water
69 L/kg 8.2 gal/lb
Registered Designations & Aliases
ASTM A182 Grade F5a (K42544) SteelK42544
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