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EN 1.4557 Stainless Steel vs. S35125 Stainless Steel

Both EN 1.4557 stainless steel and S35125 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 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 EN 1.4557 stainless steel and the bottom bar is S35125 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
39
Fatigue Strength, MPa 260
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 560
540
Tensile Strength: Yield (Proof), MPa 300
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 1090
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 29
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.6
6.4
Embodied Energy, MJ/kg 76
89
Embodied Water, L/kg 190
210

Common Calculations

PREN (Pitting Resistance) 45
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
170
Resilience: Unit (Modulus of Resilience), kJ/m3 210
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 12
12

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
20 to 23
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
36.2 to 45.8
Manganese (Mn), % 0 to 1.2
1.0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
2.0 to 3.0
Nickel (Ni), % 17.5 to 19.5
31 to 35
Niobium (Nb), % 0
0.25 to 0.6
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015