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EN 1.4150 Stainless Steel vs. EN 1.8945 Steel

Both EN 1.4150 stainless steel and EN 1.8945 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 1.4150 stainless steel and the bottom bar is EN 1.8945 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
16
Fatigue Strength, MPa 270
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
350
Tensile Strength: Ultimate (UTS), MPa 730
580
Tensile Strength: Yield (Proof), MPa 430
390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 840
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 23
42
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 120
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
82
Resilience: Unit (Modulus of Resilience), kJ/m3 470
410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
20
Thermal Diffusivity, mm2/s 6.2
11
Thermal Shock Resistance, points 27
17

Alloy Composition

Carbon (C), % 0.45 to 0.6
0 to 0.15
Chromium (Cr), % 15 to 16.5
0.25 to 1.4
Copper (Cu), % 0
0.2 to 0.6
Iron (Fe), % 79 to 82.8
95.1 to 99.5
Manganese (Mn), % 0 to 0.8
0 to 1.1
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
0 to 0.7
Nitrogen (N), % 0.050 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.030
0.050 to 0.16
Silicon (Si), % 1.3 to 1.7
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.040
Vanadium (V), % 0.2 to 0.4
0