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EN 1.4910 Stainless Steel vs. R30556 Alloy

Both EN 1.4910 stainless steel and R30556 alloy are iron alloys. They have 63% 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 EN 1.4910 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, % 41
45
Fatigue Strength, MPa 250
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 450
550
Tensile Strength: Ultimate (UTS), MPa 650
780
Tensile Strength: Yield (Proof), MPa 290
350

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1330
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
70
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 3.9
8.7
Embodied Energy, MJ/kg 54
130
Embodied Water, L/kg 150
300

Common Calculations

PREN (Pitting Resistance) 27
40
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
290
Resilience: Unit (Modulus of Resilience), kJ/m3 210
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 23
26
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.3
2.9
Thermal Shock Resistance, points 14
18

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Boron (B), % 0.0015 to 0.0050
0 to 0.020
Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 16 to 18
21 to 23
Cobalt (Co), % 0
16 to 21
Iron (Fe), % 62 to 69.9
20.4 to 38.2
Lanthanum (La), % 0
0.0050 to 0.1
Manganese (Mn), % 0 to 2.0
0.5 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
2.5 to 4.0
Nickel (Ni), % 12 to 14
19 to 22.5
Niobium (Nb), % 0
0 to 0.3
Nitrogen (N), % 0.1 to 0.18
0.1 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.75
0.2 to 0.8
Sulfur (S), % 0 to 0.015
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