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EN 1.3975 Stainless Steel vs. S32750 Stainless Steel

Both EN 1.3975 stainless steel and S32750 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.3975 stainless steel and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 27
17
Fatigue Strength, MPa 230
360
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 660
860
Tensile Strength: Yield (Proof), MPa 320
590

Thermal Properties

Latent Heat of Fusion, J/g 340
300
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1320
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
21
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.3
4.1
Embodied Energy, MJ/kg 47
56
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 21
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
860
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 15
25

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.030
Chromium (Cr), % 16 to 18
24 to 26
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 58.2 to 65.4
58.1 to 66.8
Manganese (Mn), % 7.0 to 9.0
0 to 1.2
Molybdenum (Mo), % 0 to 1.0
3.0 to 5.0
Nickel (Ni), % 8.0 to 9.0
6.0 to 8.0
Nitrogen (N), % 0.080 to 0.18
0.24 to 0.32
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020