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EN 1.7376 Steel vs. EN 1.4518 Stainless Steel

Both EN 1.7376 steel and EN 1.4518 stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.4518 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 320
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
79
Tensile Strength: Ultimate (UTS), MPa 710
490
Tensile Strength: Yield (Proof), MPa 460
210

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
1000
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
4.0
Embodied Energy, MJ/kg 29
55
Embodied Water, L/kg 88
160

Common Calculations

PREN (Pitting Resistance) 12
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
140
Resilience: Unit (Modulus of Resilience), kJ/m3 560
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 6.9
4.1
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.030
Chromium (Cr), % 8.0 to 10
18 to 20
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.2 to 90.6
61.4 to 70
Manganese (Mn), % 0.35 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
3.0 to 3.5
Nickel (Ni), % 0 to 0.4
9.0 to 12
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.050
0