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ASTM A182 Grade F5a vs. AWS E430

Both ASTM A182 grade F5a and AWS E430 are iron alloys. They have 88% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F5a and the bottom bar is AWS E430.

ASTM A182 Grade F5a (K42544) Steel AWS E430 (W43010) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		25
Elongation at Break, %		23

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		74
Shear Modulus, GPa		77

Tensile Strength: Ultimate (UTS), MPa		710
Tensile Strength: Ultimate (UTS), MPa		500

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		280

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1440

Melting Onset (Solidus), °C		1420
Melting Onset (Solidus), °C		1400

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Conductivity, W/m-K		40
Thermal Conductivity, W/m-K		25

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		8.2
Electrical Conductivity: Equal Volume, % IACS		2.8

Electrical Conductivity: Equal Weight (Specific), % IACS		9.4
Electrical Conductivity: Equal Weight (Specific), % IACS		3.2

Otherwise Unclassified Properties

Base Metal Price, % relative		4.5
Base Metal Price, % relative		9.0

Density, g/cm³		7.8
Density, g/cm³		7.7

Embodied Carbon, kg CO₂/kg material		1.8
Embodied Carbon, kg CO₂/kg material		2.2

Embodied Energy, MJ/kg		24
Embodied Energy, MJ/kg		31

Embodied Water, L/kg		69
Embodied Water, L/kg		120

Common Calculations

PREN (Pitting Resistance)		6.8
PREN (Pitting Resistance)		18

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		25

Strength to Weight: Axial, points		25
Strength to Weight: Axial, points		18

Strength to Weight: Bending, points		23
Strength to Weight: Bending, points		18

Thermal Diffusivity, mm²/s		11
Thermal Diffusivity, mm²/s		6.7

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		13

Alloy Composition

Carbon (C), %		0 to 0.25
Carbon (C), %		0 to 0.1

Chromium (Cr), %		4.0 to 6.0
Chromium (Cr), %		15 to 18

Copper (Cu), %		0
Copper (Cu), %		0 to 0.75

Iron (Fe), %		91.4 to 95.6
Iron (Fe), %		77.8 to 85

Manganese (Mn), %		0 to 0.6
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0.44 to 0.65
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		0 to 0.5
Nickel (Ni), %		0 to 0.6

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0 to 0.5
Silicon (Si), %		0 to 0.9

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.030