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R30556 Alloy vs. EN 1.4416 Stainless Steel

Both R30556 alloy and EN 1.4416 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.4416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 320
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 780
500
Tensile Strength: Yield (Proof), MPa 350
210

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 15
15

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 70
31
Density, g/cm3 8.4
8.1
Embodied Carbon, kg CO2/kg material 8.7
5.8
Embodied Energy, MJ/kg 130
79
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 40
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
140
Resilience: Unit (Modulus of Resilience), kJ/m3 290
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 2.9
3.2
Thermal Shock Resistance, points 18
12

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
19 to 21
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
45.2 to 52.4
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
4.5 to 5.5
Nickel (Ni), % 19 to 22.5
24 to 26
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.2 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0