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R30556 Alloy vs. EN 1.4874 Stainless Steel

Both R30556 alloy and EN 1.4874 stainless steel are iron alloys. They have a very high 95% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
6.7
Fatigue Strength, MPa 320
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 780
480
Tensile Strength: Yield (Proof), MPa 350
360

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 450
450
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
70
Density, g/cm3 8.4
8.4
Embodied Carbon, kg CO2/kg material 8.7
7.6
Embodied Energy, MJ/kg 130
110
Embodied Water, L/kg 300
290

Common Calculations

PREN (Pitting Resistance) 40
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
29
Resilience: Unit (Modulus of Resilience), kJ/m3 290
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 22
16
Thermal Diffusivity, mm2/s 2.9
3.3
Thermal Shock Resistance, points 18
11

Alloy Composition

Aluminum (Al), % 0.1 to 0.5
0
Boron (B), % 0 to 0.020
0
Carbon (C), % 0.050 to 0.15
0.35 to 0.65
Chromium (Cr), % 21 to 23
19 to 22
Cobalt (Co), % 16 to 21
18.5 to 22
Iron (Fe), % 20.4 to 38.2
23 to 38.9
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
2.5 to 3.0
Nickel (Ni), % 19 to 22.5
18 to 22
Niobium (Nb), % 0 to 0.3
0.75 to 1.3
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
0 to 1.0
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
2.0 to 3.0
Zinc (Zn), % 0.0010 to 0.1
0