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S31655 Stainless Steel vs. EN 1.4057 Stainless Steel

Both S31655 stainless steel and EN 1.4057 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
11 to 17
Fatigue Strength, MPa 300
320 to 430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 490
520 to 580
Tensile Strength: Ultimate (UTS), MPa 710
840 to 980
Tensile Strength: Yield (Proof), MPa 350
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 430
400
Maximum Temperature: Mechanical, °C 1010
850
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 46
32
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 27
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
700 to 1610
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
30 to 35
Strength to Weight: Bending, points 23
26 to 28
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 16
30 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0.12 to 0.22
Chromium (Cr), % 19.5 to 21.5
15 to 17
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
77.7 to 83.4
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
1.5 to 2.5
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015