S44800 Stainless Steel vs. AWS E383

Both S44800 stainless steel and AWS E383 are iron alloys. They have 68% of their average alloy composition in common. There are 23 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 S44800 stainless steel and the bottom bar is AWS E383.

UNS S44800 (29-4-2) Stainless Steel AWS E383 (W88028) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		210

Elongation at Break, %		23
Elongation at Break, %		34

Poisson's Ratio		0.27
Poisson's Ratio		0.28

Shear Modulus, GPa		82
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		590
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		300
Latent Heat of Fusion, J/g		320

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		1410
Melting Onset (Solidus), °C		1370

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

Thermal Conductivity, W/m-K		17
Thermal Conductivity, W/m-K		12

Thermal Expansion, µm/m-K		11
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		19
Base Metal Price, % relative		37

Density, g/cm³		7.8
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		3.8
Embodied Carbon, kg CO₂/kg material		6.4

Embodied Energy, MJ/kg		52
Embodied Energy, MJ/kg		89

Embodied Water, L/kg		190
Embodied Water, L/kg		240

Common Calculations

PREN (Pitting Resistance)		42
PREN (Pitting Resistance)		40

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		4.6
Thermal Diffusivity, mm²/s		3.1

Thermal Shock Resistance, points		19
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0 to 0.010
Carbon (C), %		0 to 0.030

Chromium (Cr), %		28 to 30
Chromium (Cr), %		26.5 to 29

Copper (Cu), %		0 to 0.15
Copper (Cu), %		0.6 to 1.5

Iron (Fe), %		62.6 to 66.5
Iron (Fe), %		28.8 to 39.2

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		3.5 to 4.2
Molybdenum (Mo), %		3.2 to 4.2

Nickel (Ni), %		2.0 to 2.5
Nickel (Ni), %		30 to 33

Nitrogen (N), %		0 to 0.020
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.025
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		0 to 0.2
Silicon (Si), %		0 to 0.9

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