Grade FDSiCr Steel vs. AWS E383

Both grade FDSiCr steel and AWS E383 are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade FDSiCr steel and the bottom bar is AWS E383.

Grade FDSiCr Spring Steel AWS E383 (W88028) Weld Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		210

Poisson's Ratio		0.29
Poisson's Ratio		0.28

Shear Modulus, GPa		80
Shear Modulus, GPa		80

Tensile Strength: Ultimate (UTS), MPa		1930
Tensile Strength: Ultimate (UTS), MPa		580

Thermal Properties

Latent Heat of Fusion, J/g		270
Latent Heat of Fusion, J/g		320

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

Melting Onset (Solidus), °C		1400
Melting Onset (Solidus), °C		1370

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

Thermal Conductivity, W/m-K		48
Thermal Conductivity, W/m-K		12

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

Otherwise Unclassified Properties

Base Metal Price, % relative		2.2
Base Metal Price, % relative		37

Density, g/cm³		7.7
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		1.5
Embodied Carbon, kg CO₂/kg material		6.4

Embodied Energy, MJ/kg		20
Embodied Energy, MJ/kg		89

Embodied Water, L/kg		48
Embodied Water, L/kg		240

Common Calculations

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

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

Strength to Weight: Axial, points		69
Strength to Weight: Axial, points		20

Strength to Weight: Bending, points		44
Strength to Weight: Bending, points		19

Thermal Diffusivity, mm²/s		13
Thermal Diffusivity, mm²/s		3.1

Thermal Shock Resistance, points		58
Thermal Shock Resistance, points		15

Alloy Composition

Carbon (C), %		0.5 to 0.6
Carbon (C), %		0 to 0.030

Chromium (Cr), %		0.5 to 0.8
Chromium (Cr), %		26.5 to 29

Copper (Cu), %		0 to 0.12
Copper (Cu), %		0.6 to 1.5

Iron (Fe), %		96.5 to 97.8
Iron (Fe), %		28.8 to 39.2

Manganese (Mn), %		0.5 to 0.9
Manganese (Mn), %		0.5 to 2.5

Molybdenum (Mo), %		0
Molybdenum (Mo), %		3.2 to 4.2

Nickel (Ni), %		0
Nickel (Ni), %		30 to 33

Phosphorus (P), %		0 to 0.030
Phosphorus (P), %		0 to 0.020

Silicon (Si), %		1.2 to 1.6
Silicon (Si), %		0 to 0.9

Sulfur (S), %		0 to 0.025
Sulfur (S), %		0 to 0.020