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S40977 Stainless Steel vs. EN 1.3975 Stainless Steel

Both S40977 stainless steel and EN 1.3975 stainless steel are iron alloys. They have 75% 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 S40977 stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
27
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 510
660
Tensile Strength: Yield (Proof), MPa 310
320

Thermal Properties

Latent Heat of Fusion, J/g 270
340
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 720
910
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 1.9
3.3
Embodied Energy, MJ/kg 27
47
Embodied Water, L/kg 97
150

Common Calculations

PREN (Pitting Resistance) 12
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
150
Resilience: Unit (Modulus of Resilience), kJ/m3 250
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18
24
Strength to Weight: Bending, points 18
22
Thermal Shock Resistance, points 18
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 10.5 to 12.5
16 to 18
Iron (Fe), % 83.9 to 89.2
58.2 to 65.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0.3 to 1.0
8.0 to 9.0
Nitrogen (N), % 0 to 0.030
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030