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R30556 Alloy vs. EN 1.4841 Stainless Steel

Both R30556 alloy and EN 1.4841 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is R30556 alloy and the bottom bar is EN 1.4841 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
32
Fatigue Strength, MPa 320
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 550
430
Tensile Strength: Ultimate (UTS), MPa 780
650
Tensile Strength: Yield (Proof), MPa 350
260

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Corrosion, °C 450
440
Maximum Temperature: Mechanical, °C 1100
1150
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1330
1340
Specific Heat Capacity, J/kg-K 450
490
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 70
25
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.7
4.3
Embodied Energy, MJ/kg 130
62
Embodied Water, L/kg 300
190

Common Calculations

PREN (Pitting Resistance) 40
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
170
Resilience: Unit (Modulus of Resilience), kJ/m3 290
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 18
15

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 0.2
Chromium (Cr), % 21 to 23
24 to 26
Cobalt (Co), % 16 to 21
0
Iron (Fe), % 20.4 to 38.2
47.1 to 55.5
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
Nickel (Ni), % 19 to 22.5
19 to 22
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0.2 to 0.8
1.5 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Tantalum (Ta), % 0.3 to 1.3
0
Tungsten (W), % 2.0 to 3.5
0
Zinc (Zn), % 0.0010 to 0.1
0