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R30556 Alloy vs. S41003 Stainless Steel

Both R30556 alloy and S41003 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 43% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 550
320
Tensile Strength: Ultimate (UTS), MPa 780
520
Tensile Strength: Yield (Proof), MPa 350
310

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 11
27
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 70
7.0
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
1.9
Embodied Energy, MJ/kg 130
27
Embodied Water, L/kg 300
97

Common Calculations

PREN (Pitting Resistance) 40
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
92
Resilience: Unit (Modulus of Resilience), kJ/m3 290
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 2.9
7.2
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 21 to 23
10.5 to 12.5
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
83.4 to 89.5
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.5 to 4.0
0
Nickel (Ni), % 19 to 22.5
0 to 1.5
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0