AWS E430 vs. S21603 Stainless Steel

Both AWS E430 and S21603 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AWS E430 and the bottom bar is S21603 stainless steel.

AWS E430 (W43010) Weld Metal UNS S21603 (XM-18) Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		23
Elongation at Break, %		45

Poisson's Ratio		0.28
Poisson's Ratio		0.28

Shear Modulus, GPa		77
Shear Modulus, GPa		79

Tensile Strength: Ultimate (UTS), MPa		500
Tensile Strength: Ultimate (UTS), MPa		690

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		290

Melting Completion (Liquidus), °C		1440
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1400
Melting Onset (Solidus), °C		1380

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

Thermal Expansion, µm/m-K		14
Thermal Expansion, µm/m-K		17

Otherwise Unclassified Properties

Base Metal Price, % relative		9.0
Base Metal Price, % relative		17

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

Embodied Carbon, kg CO₂/kg material		2.2
Embodied Carbon, kg CO₂/kg material		3.6

Embodied Energy, MJ/kg		31
Embodied Energy, MJ/kg		50

Embodied Water, L/kg		120
Embodied Water, L/kg		160

Common Calculations

PREN (Pitting Resistance)		18
PREN (Pitting Resistance)		34

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		18
Strength to Weight: Axial, points		25

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		22

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0 to 0.1
Carbon (C), %		0 to 0.030

Chromium (Cr), %		15 to 18
Chromium (Cr), %		17.5 to 22

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

Iron (Fe), %		77.8 to 85
Iron (Fe), %		57.6 to 67.8

Manganese (Mn), %		0 to 1.0
Manganese (Mn), %		7.5 to 9.0

Molybdenum (Mo), %		0 to 0.75
Molybdenum (Mo), %		2.0 to 3.0

Nickel (Ni), %		0 to 0.6
Nickel (Ni), %		5.0 to 7.0

Nitrogen (N), %		0
Nitrogen (N), %		0.25 to 0.5

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.045

Silicon (Si), %		0 to 0.9
Silicon (Si), %		0 to 0.75

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