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S35000 Stainless Steel vs. R30556 Alloy

Both S35000 stainless steel and R30556 alloy are iron alloys. They have 55% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S35000 stainless steel and the bottom bar is R30556 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 2.3 to 14
45
Fatigue Strength, MPa 380 to 520
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 740 to 950
550
Tensile Strength: Ultimate (UTS), MPa 1300 to 1570
780
Tensile Strength: Yield (Proof), MPa 660 to 1160
350

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 14
70
Density, g/cm3 7.8
8.4
Embodied Carbon, kg CO2/kg material 3.2
8.7
Embodied Energy, MJ/kg 44
130
Embodied Water, L/kg 130
300

Common Calculations

PREN (Pitting Resistance) 28
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 28 to 170
290
Resilience: Unit (Modulus of Resilience), kJ/m3 1070 to 3360
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 46 to 56
26
Strength to Weight: Bending, points 34 to 38
22
Thermal Diffusivity, mm2/s 4.4
2.9
Thermal Shock Resistance, points 42 to 51
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0.070 to 0.11
0.050 to 0.15
Chromium (Cr), % 16 to 17
21 to 23
Cobalt (Co), % 0
16 to 21
Iron (Fe), % 72.7 to 76.9
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0.5 to 1.3
0.5 to 2.0
Molybdenum (Mo), % 2.5 to 3.2
2.5 to 4.0
Nickel (Ni), % 4.0 to 5.0
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0.070 to 0.13
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.015
Tantalum (Ta), % 0
0.3 to 1.3
Tungsten (W), % 0
2.0 to 3.5
Zinc (Zn), % 0
0.0010 to 0.1