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EN 1.4958 Stainless Steel vs. S45000 Stainless Steel

Both EN 1.4958 stainless steel and S45000 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, 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 S45000 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
6.8 to 14
Fatigue Strength, MPa 170
330 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 430
590 to 830
Tensile Strength: Ultimate (UTS), MPa 630
980 to 1410
Tensile Strength: Yield (Proof), MPa 190
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 500
400
Maximum Temperature: Mechanical, °C 1090
840
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
2.8
Embodied Energy, MJ/kg 75
39
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 21
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 95
850 to 4400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
35 to 50
Strength to Weight: Bending, points 20
28 to 36
Thermal Diffusivity, mm2/s 3.2
4.5
Thermal Shock Resistance, points 15
33 to 47

Alloy Composition

Aluminum (Al), % 0.2 to 0.5
0
Carbon (C), % 0.030 to 0.080
0 to 0.050
Chromium (Cr), % 19 to 22
14 to 16
Cobalt (Co), % 0 to 0.5
0
Copper (Cu), % 0 to 0.5
1.3 to 1.8
Iron (Fe), % 41.1 to 50.6
72.1 to 79.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 1.0
Nickel (Ni), % 30 to 32.5
5.0 to 7.0
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
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.2 to 0.5
0