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R30556 Alloy vs. EN 1.4807 Stainless Steel

Both R30556 alloy and EN 1.4807 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 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 EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
4.5
Fatigue Strength, MPa 320
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 780
480
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 450
600
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 450
480
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
39
Density, g/cm3 8.4
8.0
Embodied Carbon, kg CO2/kg material 8.7
6.8
Embodied Energy, MJ/kg 130
97
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 40
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
18
Resilience: Unit (Modulus of Resilience), kJ/m3 290
160
Stiffness to Weight: Axial, points 14
13
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
0.3 to 0.5
Chromium (Cr), % 21 to 23
17 to 20
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
36.6 to 46.7
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 4.0
0 to 0.5
Nickel (Ni), % 19 to 22.5
34 to 36
Niobium (Nb), % 0 to 0.3
1.0 to 1.8
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0