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EN 1.4477 Stainless Steel vs. S31100 Stainless Steel

Both EN 1.4477 stainless steel and S31100 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4477 stainless steel and the bottom bar is S31100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
270
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 22 to 23
4.5
Fatigue Strength, MPa 420 to 490
330
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Shear Strength, MPa 550 to 580
580
Tensile Strength: Ultimate (UTS), MPa 880 to 930
1000
Tensile Strength: Yield (Proof), MPa 620 to 730
710

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
470
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 20
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.7
3.1
Embodied Energy, MJ/kg 52
44
Embodied Water, L/kg 190
170

Common Calculations

PREN (Pitting Resistance) 41
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
40
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
1240
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
36
Strength to Weight: Bending, points 26 to 27
29
Thermal Diffusivity, mm2/s 3.5
4.2
Thermal Shock Resistance, points 23 to 25
28

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 28 to 30
25 to 27
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
63.6 to 69
Manganese (Mn), % 0.8 to 1.5
0 to 1.0
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
6.0 to 7.0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0 to 0.25