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EN 1.3955 Stainless Steel vs. S45000 Stainless Steel

Both EN 1.3955 stainless steel and S45000 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 31 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 1.3955 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, % 23
6.8 to 14
Fatigue Strength, MPa 150
330 to 650
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 520
980 to 1410
Tensile Strength: Yield (Proof), MPa 220
580 to 1310

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 930
840
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 16
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 45
39
Embodied Water, L/kg 140
130

Common Calculations

PREN (Pitting Resistance) 19
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
94 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 130
850 to 4400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
35 to 50
Strength to Weight: Bending, points 18
28 to 36
Thermal Diffusivity, mm2/s 4.1
4.5
Thermal Shock Resistance, points 15
33 to 47

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 16.5 to 18.5
14 to 16
Copper (Cu), % 0
1.3 to 1.8
Iron (Fe), % 65.5 to 73.5
72.1 to 79.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.75
0.5 to 1.0
Nickel (Ni), % 10 to 12
5.0 to 7.0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030