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S31277 Stainless Steel vs. EN 1.4662 Stainless Steel

Both S31277 stainless steel and EN 1.4662 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 380
430 to 450
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
79
Shear Strength, MPa 600
520 to 540
Tensile Strength: Ultimate (UTS), MPa 860
810 to 830
Tensile Strength: Yield (Proof), MPa 410
580 to 620

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 430
440
Maximum Temperature: Mechanical, °C 1100
1090
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
16
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.7
3.2
Embodied Energy, MJ/kg 90
45
Embodied Water, L/kg 220
170

Common Calculations

PREN (Pitting Resistance) 51
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
210
Resilience: Unit (Modulus of Resilience), kJ/m3 410
840 to 940
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
29 to 30
Strength to Weight: Bending, points 25
25
Thermal Shock Resistance, points 19
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 20.5 to 23
23 to 25
Copper (Cu), % 0.5 to 1.5
0.1 to 0.8
Iron (Fe), % 35.5 to 46.2
62.6 to 70.2
Manganese (Mn), % 0 to 3.0
2.5 to 4.0
Molybdenum (Mo), % 6.5 to 8.0
1.0 to 2.0
Nickel (Ni), % 26 to 28
3.0 to 4.5
Nitrogen (N), % 0.3 to 0.4
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.010
0 to 0.0050