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EN 1.4104 Stainless Steel vs. EN 1.7365 Steel

Both EN 1.4104 stainless steel and EN 1.7365 steel are iron alloys. They have 88% 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 1.4104 stainless steel and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 23
18
Fatigue Strength, MPa 230 to 310
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 630 to 750
700
Tensile Strength: Yield (Proof), MPa 350 to 560
470

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 860
510
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
4.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.8
Embodied Energy, MJ/kg 30
24
Embodied Water, L/kg 120
70

Common Calculations

PREN (Pitting Resistance) 18
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
25
Strength to Weight: Bending, points 21 to 24
22
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 22 to 27
20

Alloy Composition

Carbon (C), % 0.1 to 0.17
0.12 to 0.19
Chromium (Cr), % 15.5 to 17.5
4.0 to 6.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 78.8 to 84.1
91.2 to 94.9
Manganese (Mn), % 0 to 1.5
0.5 to 0.8
Molybdenum (Mo), % 0.2 to 0.6
0.45 to 0.65
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0.15 to 0.35
0 to 0.025
Vanadium (V), % 0
0 to 0.050