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EN 1.7710 Steel vs. S32001 Stainless Steel

Both EN 1.7710 steel and S32001 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7710 steel and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 11
28
Fatigue Strength, MPa 500 to 620
370
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 930 to 1070
690
Tensile Strength: Yield (Proof), MPa 800 to 1060
510

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 440
970
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.5
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.2
2.6
Embodied Energy, MJ/kg 30
37
Embodied Water, L/kg 57
150

Common Calculations

PREN (Pitting Resistance) 4.5
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 100
180
Resilience: Unit (Modulus of Resilience), kJ/m3 1680 to 2970
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 33 to 38
25
Strength to Weight: Bending, points 27 to 30
23
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 27 to 31
19

Alloy Composition

Carbon (C), % 0.12 to 0.18
0 to 0.030
Chromium (Cr), % 1.3 to 1.8
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 95.1 to 97
66.6 to 75.5
Manganese (Mn), % 0.6 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 0.8 to 1.0
0 to 0.6
Nickel (Ni), % 0
1.0 to 3.0
Nitrogen (N), % 0
0.050 to 0.17
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.15 to 0.25
0