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N08535 Stainless Steel vs. R30556 Alloy

Both N08535 stainless steel and R30556 alloy are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is N08535 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, % 46
45
Fatigue Strength, MPa 220
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
81
Shear Strength, MPa 400
550
Tensile Strength: Ultimate (UTS), MPa 570
780
Tensile Strength: Yield (Proof), MPa 240
350

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 13
11
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 8.1
8.4
Embodied Carbon, kg CO2/kg material 6.3
8.7
Embodied Energy, MJ/kg 87
130
Embodied Water, L/kg 230
300

Common Calculations

PREN (Pitting Resistance) 36
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
290
Resilience: Unit (Modulus of Resilience), kJ/m3 140
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 20
26
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 3.3
2.9
Thermal Shock Resistance, points 13
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0
0 to 0.020
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 24 to 27
21 to 23
Cobalt (Co), % 0
16 to 21
Copper (Cu), % 0 to 1.5
0
Iron (Fe), % 29.4 to 44.5
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0 to 1.0
0.5 to 2.0
Molybdenum (Mo), % 2.5 to 4.0
2.5 to 4.0
Nickel (Ni), % 29 to 36.5
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.030
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