MakeItFrom.com
Menu (ESC)

EN 1.4901 Stainless Steel vs. EN 1.8201 Steel

Both EN 1.4901 stainless steel and EN 1.8201 steel are iron alloys. Both are furnished in the normalized and tempered condition. They have a moderately high 92% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4901 stainless steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
20
Fatigue Strength, MPa 310
310
Impact Strength: V-Notched Charpy, J 38
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 460
390
Tensile Strength: Ultimate (UTS), MPa 740
630
Tensile Strength: Yield (Proof), MPa 490
450

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 650
450
Melting Completion (Liquidus), °C 1490
1500
Melting Onset (Solidus), °C 1450
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.5
Embodied Energy, MJ/kg 40
36
Embodied Water, L/kg 89
59

Common Calculations

PREN (Pitting Resistance) 14
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
22
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 6.9
11
Thermal Shock Resistance, points 23
18

Alloy Composition

Aluminum (Al), % 0 to 0.020
0 to 0.030
Boron (B), % 0.0010 to 0.0060
0.0010 to 0.0060
Carbon (C), % 0.070 to 0.13
0.040 to 0.1
Chromium (Cr), % 8.5 to 9.5
1.9 to 2.6
Iron (Fe), % 85.8 to 89.1
93.6 to 96.2
Manganese (Mn), % 0.3 to 0.6
0.1 to 0.6
Molybdenum (Mo), % 0.3 to 0.6
0.050 to 0.3
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.040 to 0.090
0.020 to 0.080
Nitrogen (N), % 0.030 to 0.070
0 to 0.015
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.010
0.0050 to 0.060
Tungsten (W), % 1.5 to 2.0
1.5 to 1.8
Vanadium (V), % 0.15 to 0.25
0.2 to 0.3
Zirconium (Zr), % 0 to 0.010
0