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EN 1.4958 Stainless Steel vs. EN 1.4869 Casting Alloy

EN 1.4958 stainless steel belongs to the iron alloys classification, while EN 1.4869 casting alloy belongs to the nickel alloys. They have 70% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4958 stainless steel and the bottom bar is EN 1.4869 casting alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
5.7
Fatigue Strength, MPa 170
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 630
540
Tensile Strength: Yield (Proof), MPa 190
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1090
1200
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
10
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 30
70
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 5.3
7.7
Embodied Energy, MJ/kg 75
110
Embodied Water, L/kg 200
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
26
Resilience: Unit (Modulus of Resilience), kJ/m3 95
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.2
2.6
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0.45 to 0.55
Chromium (Cr), % 19 to 22
24 to 26
Cobalt (Co), % 0 to 0.5
14 to 16
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 41.1 to 50.6
11.4 to 23.6
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 30 to 32.5
33 to 37
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.7
1.0 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.2 to 0.5
0
Tungsten (W), % 0
4.0 to 6.0