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EN 1.7376 Steel vs. S44625 Stainless Steel

Both EN 1.7376 steel and S44625 stainless steel are iron alloys. They have 83% 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 S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
22
Fatigue Strength, MPa 320
240
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 710
590
Tensile Strength: Yield (Proof), MPa 460
360

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 600
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 88
160

Common Calculations

PREN (Pitting Resistance) 12
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 560
310
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 6.9
4.6
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.010
Chromium (Cr), % 8.0 to 10
25 to 27.5
Copper (Cu), % 0 to 0.3
0 to 0.2
Iron (Fe), % 86.2 to 90.6
69.4 to 74.3
Manganese (Mn), % 0.35 to 0.65
0 to 0.4
Molybdenum (Mo), % 0.9 to 1.2
0.75 to 1.5
Nickel (Ni), % 0 to 0.4
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020
Vanadium (V), % 0 to 0.050
0