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EN 1.7367 Steel vs. EN 1.4621 Stainless Steel

Both EN 1.7367 steel and EN 1.4621 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7367 steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18
25
Fatigue Strength, MPa 310
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 670
500
Tensile Strength: Yield (Proof), MPa 460
270

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
970
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 37
41
Embodied Water, L/kg 88
140

Common Calculations

PREN (Pitting Resistance) 13
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 560
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 6.9
5.7
Thermal Shock Resistance, points 19
17

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Carbon (C), % 0.080 to 0.12
0 to 0.030
Chromium (Cr), % 8.0 to 9.5
20 to 21.5
Copper (Cu), % 0
0.1 to 1.0
Iron (Fe), % 87.3 to 90.3
74.4 to 79.7
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.85 to 1.1
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0.2 to 1.0
Nitrogen (N), % 0.030 to 0.070
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.18 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0