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S31277 Stainless Steel vs. EN 1.3975 Stainless Steel

Both S31277 stainless steel and EN 1.3975 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 27 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 S31277 stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
27
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 860
660
Tensile Strength: Yield (Proof), MPa 410
320

Thermal Properties

Latent Heat of Fusion, J/g 310
340
Maximum Temperature: Corrosion, °C 430
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 460
500
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 6.7
3.3
Embodied Energy, MJ/kg 90
47
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 51
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
150
Resilience: Unit (Modulus of Resilience), kJ/m3 410
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 20.5 to 23
16 to 18
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
58.2 to 65.4
Manganese (Mn), % 0 to 3.0
7.0 to 9.0
Molybdenum (Mo), % 6.5 to 8.0
0 to 1.0
Nickel (Ni), % 26 to 28
8.0 to 9.0
Nitrogen (N), % 0.3 to 0.4
0.080 to 0.18
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.010
0 to 0.030