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EN 1.7390 Steel vs. S34565 Stainless Steel

Both EN 1.7390 steel and S34565 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 33 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 1.7390 steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
39
Fatigue Strength, MPa 310
400
Poisson's Ratio 0.29
0.28
Reduction in Area, % 50
45
Shear Modulus, GPa 74
80
Shear Strength, MPa 440
610
Tensile Strength: Ultimate (UTS), MPa 710
900
Tensile Strength: Yield (Proof), MPa 480
470

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.7
5.3
Embodied Energy, MJ/kg 23
73
Embodied Water, L/kg 69
210

Common Calculations

PREN (Pitting Resistance) 6.8
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
300
Resilience: Unit (Modulus of Resilience), kJ/m3 600
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 23
26
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 20
22

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 4.0 to 6.0
23 to 25
Iron (Fe), % 91.9 to 95.3
43.2 to 51.6
Manganese (Mn), % 0.3 to 0.8
5.0 to 7.0
Molybdenum (Mo), % 0.45 to 0.65
4.0 to 5.0
Nickel (Ni), % 0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010