MakeItFrom.com
Menu (ESC)

S31254 Stainless Steel vs. EN 1.1158 Steel

Both S31254 stainless steel and EN 1.1158 steel are iron alloys. They have 55% 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 S31254 stainless steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
23 to 24
Fatigue Strength, MPa 290
170 to 220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 490
300 to 320
Tensile Strength: Ultimate (UTS), MPa 720
470 to 500
Tensile Strength: Yield (Proof), MPa 330
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 14
49
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.4
Embodied Energy, MJ/kg 74
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
150 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
17 to 18
Strength to Weight: Bending, points 22
17 to 18
Thermal Diffusivity, mm2/s 3.8
13
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0.22 to 0.29
Chromium (Cr), % 19.5 to 20.5
0 to 0.4
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51.4 to 56.3
97.6 to 99.38
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 6.0 to 6.5
0 to 0.1
Nickel (Ni), % 17.5 to 18.5
0 to 0.4
Nitrogen (N), % 0.18 to 0.22
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035