S32304 Stainless Steel vs. AWS E2593

Both S32304 stainless steel and AWS E2593 are iron alloys. They have 87% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S32304 stainless steel and the bottom bar is AWS E2593.

UNS S32304 (Alloy 2304) Stainless Steel AWS E2593 (W39593) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		28
Elongation at Break, %		17

Poisson's Ratio		0.27
Poisson's Ratio		0.27

Shear Modulus, GPa		79
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		670
Tensile Strength: Ultimate (UTS), MPa		850

Thermal Properties

Latent Heat of Fusion, J/g		290
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1420
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		1380
Melting Onset (Solidus), °C		1390

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

Thermal Conductivity, W/m-K		15
Thermal Conductivity, W/m-K		16

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

Otherwise Unclassified Properties

Base Metal Price, % relative		14
Base Metal Price, % relative		22

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

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		4.2

Embodied Energy, MJ/kg		40
Embodied Energy, MJ/kg		59

Embodied Water, L/kg		160
Embodied Water, L/kg		190

Common Calculations

PREN (Pitting Resistance)		26
PREN (Pitting Resistance)		39

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		24
Strength to Weight: Axial, points		30

Strength to Weight: Bending, points		22
Strength to Weight: Bending, points		25

Thermal Diffusivity, mm²/s		4.0
Thermal Diffusivity, mm²/s		4.3

Thermal Shock Resistance, points		18
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0 to 0.030
Carbon (C), %		0 to 0.040

Chromium (Cr), %		21.5 to 24.5
Chromium (Cr), %		24 to 27

Copper (Cu), %		0.050 to 0.6
Copper (Cu), %		1.5 to 3.0

Iron (Fe), %		65 to 75.4
Iron (Fe), %		52.7 to 62.5

Manganese (Mn), %		0 to 2.5
Manganese (Mn), %		0.5 to 1.5

Molybdenum (Mo), %		0.050 to 0.6
Molybdenum (Mo), %		2.9 to 3.9

Nickel (Ni), %		3.0 to 5.5
Nickel (Ni), %		8.5 to 10.5

Nitrogen (N), %		0.050 to 0.2
Nitrogen (N), %		0.080 to 0.25

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

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0 to 1.0

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