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EN 1.7376 Steel vs. EN 1.4581 Stainless Steel

Both EN 1.7376 steel and EN 1.4581 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 320
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 710
510
Tensile Strength: Yield (Proof), MPa 460
210

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 600
990
Melting Completion (Liquidus), °C 1460
1440
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
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
4.2
Embodied Energy, MJ/kg 29
59
Embodied Water, L/kg 88
160

Common Calculations

PREN (Pitting Resistance) 12
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 560
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 6.9
3.9
Thermal Shock Resistance, points 20
12

Alloy Composition

Carbon (C), % 0.12 to 0.19
0 to 0.070
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 71
Manganese (Mn), % 0.35 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.2
2.0 to 2.5
Nickel (Ni), % 0 to 0.4
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
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