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S31277 Stainless Steel vs. EN 1.4422 Stainless Steel

Both S31277 stainless steel and EN 1.4422 stainless steel are iron alloys. They have 61% 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 S31277 stainless steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
17
Fatigue Strength, MPa 380
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 600
520
Tensile Strength: Ultimate (UTS), MPa 860
850
Tensile Strength: Yield (Proof), MPa 410
630

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
760
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.7
2.7
Embodied Energy, MJ/kg 90
37
Embodied Water, L/kg 220
110

Common Calculations

PREN (Pitting Resistance) 51
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
130
Resilience: Unit (Modulus of Resilience), kJ/m3 410
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
30
Strength to Weight: Bending, points 25
25
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.020
Chromium (Cr), % 20.5 to 23
11 to 13
Copper (Cu), % 0.5 to 1.5
0.2 to 0.8
Iron (Fe), % 35.5 to 46.2
76.8 to 83.5
Manganese (Mn), % 0 to 3.0
0 to 2.0
Molybdenum (Mo), % 6.5 to 8.0
1.3 to 1.8
Nickel (Ni), % 26 to 28
4.0 to 5.0
Nitrogen (N), % 0.3 to 0.4
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0030