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EN 1.4922 Stainless Steel vs. S31277 Stainless Steel

Both EN 1.4922 stainless steel and S31277 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4922 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 16
45
Fatigue Strength, MPa 330
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 470
600
Tensile Strength: Ultimate (UTS), MPa 770
860
Tensile Strength: Yield (Proof), MPa 550
410

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
430
Maximum Temperature: Mechanical, °C 720
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.7
Embodied Energy, MJ/kg 40
90
Embodied Water, L/kg 100
220

Common Calculations

PREN (Pitting Resistance) 15
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
320
Resilience: Unit (Modulus of Resilience), kJ/m3 770
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 24
25
Thermal Shock Resistance, points 27
19

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.020
Chromium (Cr), % 10 to 12.5
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 83.5 to 88.2
35.5 to 46.2
Manganese (Mn), % 0.3 to 1.0
0 to 3.0
Molybdenum (Mo), % 0.8 to 1.2
6.5 to 8.0
Nickel (Ni), % 0.3 to 0.8
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.2 to 0.35
0