S38815 Stainless Steel vs. AWS E330

Both S38815 stainless steel and AWS E330 are iron alloys. They have 78% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is AWS E330.

UNS S38815 Stainless Steel AWS E330 (W88331) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		34
Elongation at Break, %		29

Poisson's Ratio		0.29
Poisson's Ratio		0.29

Shear Modulus, GPa		74
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		610
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		370
Latent Heat of Fusion, J/g		300

Melting Completion (Liquidus), °C		1360
Melting Completion (Liquidus), °C		1400

Melting Onset (Solidus), °C		1310
Melting Onset (Solidus), °C		1350

Specific Heat Capacity, J/kg-K		500
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		13

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		31

Density, g/cm³		7.5
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		3.8
Embodied Carbon, kg CO₂/kg material		5.4

Embodied Energy, MJ/kg		54
Embodied Energy, MJ/kg		75

Embodied Water, L/kg		140
Embodied Water, L/kg		180

Common Calculations

PREN (Pitting Resistance)		18
PREN (Pitting Resistance)		17

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

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		22
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		21
Strength to Weight: Bending, points		19

Thermal Shock Resistance, points		15
Thermal Shock Resistance, points		16

Alloy Composition

Aluminum (Al), %		0 to 0.3
Aluminum (Al), %		0

Carbon (C), %		0 to 0.030
Carbon (C), %		0.18 to 0.25

Chromium (Cr), %		13 to 15
Chromium (Cr), %		14 to 17

Copper (Cu), %		0.75 to 1.5
Copper (Cu), %		0 to 0.75

Iron (Fe), %		56.1 to 67
Iron (Fe), %		40.7 to 51.8

Manganese (Mn), %		0 to 2.0
Manganese (Mn), %		1.0 to 2.5

Molybdenum (Mo), %		0.75 to 1.5
Molybdenum (Mo), %		0 to 0.75

Nickel (Ni), %		13 to 17
Nickel (Ni), %		33 to 37

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

Silicon (Si), %		5.5 to 6.5
Silicon (Si), %		0 to 1.0

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030