SAE-AISI A2 Steel vs. AWS ERNiCr-3

SAE-AISI A2 steel belongs to the iron alloys classification, while AWS ERNiCr-3 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A2 steel and the bottom bar is AWS ERNiCr-3.

SAE-AISI A2 (T30102) Air-Hardening Steel AWS ERNiCr-3 (N06082) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		74
Shear Modulus, GPa		75

Tensile Strength: Ultimate (UTS), MPa		710 to 2040
Tensile Strength: Ultimate (UTS), MPa		630

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1450
Melting Completion (Liquidus), °C		1380

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		1330

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		5.5
Base Metal Price, % relative		70

Density, g/cm³		7.8
Density, g/cm³		8.4

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		11

Embodied Energy, MJ/kg		38
Embodied Energy, MJ/kg		160

Embodied Water, L/kg		73
Embodied Water, L/kg		280

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		25 to 73
Strength to Weight: Axial, points		21

Strength to Weight: Bending, points		23 to 46
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		25 to 71
Thermal Shock Resistance, points		18

Alloy Composition

Carbon (C), %		1.0 to 1.1
Carbon (C), %		0 to 0.1

Chromium (Cr), %		4.8 to 5.5
Chromium (Cr), %		18 to 22

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.12

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0 to 0.5

Iron (Fe), %		89.4 to 93.3
Iron (Fe), %		0 to 3.0

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		2.5 to 3.5

Molybdenum (Mo), %		0.9 to 1.4
Molybdenum (Mo), %		0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		67 to 77.5

Niobium (Nb), %		0
Niobium (Nb), %		2.0 to 3.0

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.030

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

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.015

Titanium (Ti), %		0
Titanium (Ti), %		0 to 0.75

Vanadium (V), %		0.15 to 0.5
Vanadium (V), %		0

Residuals, %		0
Residuals, %		0 to 0.5