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EN 1.7376 Steel vs. EN 1.4418 Stainless Steel

Both EN 1.7376 steel and EN 1.4418 stainless 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 1.7376 steel and the bottom bar is EN 1.4418 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
16 to 20
Fatigue Strength, MPa 320
350 to 480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 710
860 to 1000
Tensile Strength: Yield (Proof), MPa 460
540 to 790

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 600
870
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 88
130

Common Calculations

PREN (Pitting Resistance) 12
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 560
730 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
31 to 36
Strength to Weight: Bending, points 23
26 to 28
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 20
31 to 36

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.060
Chromium (Cr), % 8.0 to 10
15 to 17
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
73.2 to 80.2
Manganese (Mn), % 0.35 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
0.8 to 1.5
Nickel (Ni), % 0 to 0.4
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0 to 0.050
0