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EN 1.8879 Steel vs. EN 1.4301 Stainless Steel

Both EN 1.8879 steel and EN 1.4301 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.8879 steel and the bottom bar is EN 1.4301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
14 to 46
Fatigue Strength, MPa 460
200 to 330
Impact Strength: V-Notched Charpy, J 67
91 to 94
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 510
430 to 550
Tensile Strength: Ultimate (UTS), MPa 830
610 to 900
Tensile Strength: Yield (Proof), MPa 710
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 420
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.0
Embodied Energy, MJ/kg 26
43
Embodied Water, L/kg 54
140

Common Calculations

PREN (Pitting Resistance) 2.0
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 1320
120 to 820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
22 to 32
Strength to Weight: Bending, points 25
20 to 27
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 24
14 to 20

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.2
0 to 0.070
Chromium (Cr), % 0 to 1.5
17.5 to 19.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.9 to 100
66.8 to 74.5
Manganese (Mn), % 0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 0 to 2.5
8.0 to 10.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.015
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.050
0
Vanadium (V), % 0 to 0.12
0
Zirconium (Zr), % 0 to 0.15
0