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EN 1.4511 Stainless Steel vs. EN 1.8958 Steel

Both EN 1.4511 stainless steel and EN 1.8958 steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 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 1.4511 stainless steel and the bottom bar is EN 1.8958 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
19
Fatigue Strength, MPa 180
150
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 330
270
Tensile Strength: Ultimate (UTS), MPa 510
430
Tensile Strength: Yield (Proof), MPa 260
220

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
70
Resilience: Unit (Modulus of Resilience), kJ/m3 170
130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 19
13

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.16
Chromium (Cr), % 16 to 18
0.35 to 0.85
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 78.9 to 84
96.5 to 99.3
Manganese (Mn), % 0 to 1.0
0.15 to 0.7
Nickel (Ni), % 0
0 to 0.7
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.45
Sulfur (S), % 0 to 0.015
0 to 0.040