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R30556 Alloy vs. EN 1.4597 Stainless Steel

Both R30556 alloy and EN 1.4597 stainless steel are iron alloys. They have 50% 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 R30556 alloy and the bottom bar is EN 1.4597 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
45
Fatigue Strength, MPa 320
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 550
470
Tensile Strength: Ultimate (UTS), MPa 780
680
Tensile Strength: Yield (Proof), MPa 350
330

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
860
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 70
11
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 8.7
2.5
Embodied Energy, MJ/kg 130
36
Embodied Water, L/kg 300
140

Common Calculations

PREN (Pitting Resistance) 40
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
250
Resilience: Unit (Modulus of Resilience), kJ/m3 290
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 2.9
4.1
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 0.1
Chromium (Cr), % 21 to 23
15 to 18
Cobalt (Co), % 16 to 21
0
Copper (Cu), % 0
2.0 to 3.5
Iron (Fe), % 20.4 to 38.2
63 to 76.4
Lanthanum (La), % 0.0050 to 0.1
0
Manganese (Mn), % 0.5 to 2.0
6.5 to 9.0
Molybdenum (Mo), % 2.5 to 4.0
0 to 1.0
Nickel (Ni), % 19 to 22.5
0 to 3.0
Niobium (Nb), % 0 to 0.3
0
Nitrogen (N), % 0.1 to 0.3
0.1 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.2 to 0.8
0 to 2.0
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
0
Zinc (Zn), % 0.0010 to 0.1
0