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S31277 Stainless Steel vs. EN 1.4451 Stainless Steel

Both S31277 stainless steel and EN 1.4451 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 27 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 S31277 stainless steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
25
Fatigue Strength, MPa 380
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 860
750
Tensile Strength: Yield (Proof), MPa 410
540

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 36
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
3.8
Embodied Energy, MJ/kg 90
53
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 51
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
170
Resilience: Unit (Modulus of Resilience), kJ/m3 410
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
27
Strength to Weight: Bending, points 25
23
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20.5 to 23
25 to 27
Copper (Cu), % 0.5 to 1.5
2.8 to 3.5
Iron (Fe), % 35.5 to 46.2
56.2 to 64.6
Manganese (Mn), % 0 to 3.0
0 to 1.5
Molybdenum (Mo), % 6.5 to 8.0
2.5 to 3.5
Nickel (Ni), % 26 to 28
5.0 to 7.0
Nitrogen (N), % 0.3 to 0.4
0.12 to 0.22
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025