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R30556 Alloy vs. S42035 Stainless Steel

Both R30556 alloy and S42035 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 47% 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 S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
18
Fatigue Strength, MPa 320
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 550
390
Tensile Strength: Ultimate (UTS), MPa 780
630
Tensile Strength: Yield (Proof), MPa 350
430

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
470
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1420
1450
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
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 70
9.5
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
2.4
Embodied Energy, MJ/kg 130
34
Embodied Water, L/kg 300
110

Common Calculations

PREN (Pitting Resistance) 40
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
100
Resilience: Unit (Modulus of Resilience), kJ/m3 290
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 2.9
7.2
Thermal Shock Resistance, points 18
22

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 0.080
Chromium (Cr), % 21 to 23
13.5 to 15.5
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
78.1 to 85
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.5 to 4.0
0.2 to 1.2
Nickel (Ni), % 19 to 22.5
1.0 to 2.5
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
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
Titanium (Ti), % 0
0.3 to 0.5
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0