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Grade FDSiCr Steel vs. S30615 Stainless Steel

Both grade FDSiCr steel and S30615 stainless steel are iron alloys. They have 64% 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 grade FDSiCr steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 580
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 1930
690

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Maximum Temperature: Mechanical, °C 410
960
Melting Completion (Liquidus), °C 1440
1370
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.6
Embodied Carbon, kg CO2/kg material 1.5
3.7
Embodied Energy, MJ/kg 20
53
Embodied Water, L/kg 48
170

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 69
25
Strength to Weight: Bending, points 44
23
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 58
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.5 to 0.6
0.16 to 0.24
Chromium (Cr), % 0.5 to 0.8
17 to 19.5
Copper (Cu), % 0 to 0.12
0
Iron (Fe), % 96.5 to 97.8
56.7 to 65.3
Manganese (Mn), % 0.5 to 0.9
0 to 2.0
Nickel (Ni), % 0
13.5 to 16
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.2 to 1.6
3.2 to 4.0
Sulfur (S), % 0 to 0.025
0 to 0.030