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S32101 Stainless Steel vs. EN 1.4487 Stainless Steel

Both S32101 stainless steel and EN 1.4487 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S32101 stainless steel and the bottom bar is EN 1.4487 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 400
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 740
560
Tensile Strength: Yield (Proof), MPa 500
260

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1000
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 12
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 38
44
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 27
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
160
Resilience: Unit (Modulus of Resilience), kJ/m3 640
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
20
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 21 to 22
18 to 20
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 67.3 to 73.3
64.7 to 72.9
Manganese (Mn), % 4.0 to 6.0
0 to 1.5
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.7
9.0 to 12
Nitrogen (N), % 0.2 to 0.25
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030