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S32750 Stainless Steel vs. EN 1.4122 Stainless Steel

Both S32750 stainless steel and EN 1.4122 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 S32750 stainless steel and the bottom bar is EN 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
14
Fatigue Strength, MPa 360
260 to 360
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
480 to 520
Tensile Strength: Ultimate (UTS), MPa 860
790 to 850
Tensile Strength: Yield (Proof), MPa 590
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
400
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.1
2.4
Embodied Energy, MJ/kg 56
33
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 860
520 to 1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
28 to 31
Strength to Weight: Bending, points 26
25 to 26
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 25
28 to 30

Alloy Composition

Carbon (C), % 0 to 0.030
0.33 to 0.45
Chromium (Cr), % 24 to 26
15.5 to 17.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.1 to 66.8
77.2 to 83.4
Manganese (Mn), % 0 to 1.2
0 to 1.5
Molybdenum (Mo), % 3.0 to 5.0
0.8 to 1.3
Nickel (Ni), % 6.0 to 8.0
0 to 1.0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015