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S31277 Stainless Steel vs. EN 1.7386 Steel

Both S31277 stainless steel and EN 1.7386 steel are iron alloys. They have 52% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
18 to 21
Fatigue Strength, MPa 380
170 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 600
340 to 410
Tensile Strength: Ultimate (UTS), MPa 860
550 to 670
Tensile Strength: Yield (Proof), MPa 410
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
600
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
6.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
2.0
Embodied Energy, MJ/kg 90
28
Embodied Water, L/kg 220
88

Common Calculations

PREN (Pitting Resistance) 51
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
20 to 24
Strength to Weight: Bending, points 25
19 to 22
Thermal Shock Resistance, points 19
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.020
0.080 to 0.15
Chromium (Cr), % 20.5 to 23
8.0 to 10
Copper (Cu), % 0.5 to 1.5
0 to 0.3
Iron (Fe), % 35.5 to 46.2
86.8 to 90.5
Manganese (Mn), % 0 to 3.0
0.3 to 0.6
Molybdenum (Mo), % 6.5 to 8.0
0.9 to 1.1
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.25 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010