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EN 1.4057 Stainless Steel vs. S32750 Stainless Steel

Both EN 1.4057 stainless steel and S32750 stainless steel are iron alloys. They have 81% 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 EN 1.4057 stainless steel and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 320 to 430
360
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Shear Strength, MPa 520 to 580
530
Tensile Strength: Ultimate (UTS), MPa 840 to 980
860
Tensile Strength: Yield (Proof), MPa 530 to 790
590

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 850
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
4.1
Embodied Energy, MJ/kg 32
56
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 16
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
860
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30 to 35
31
Strength to Weight: Bending, points 26 to 28
26
Thermal Diffusivity, mm2/s 6.7
4.0
Thermal Shock Resistance, points 30 to 35
25

Alloy Composition

Carbon (C), % 0.12 to 0.22
0 to 0.030
Chromium (Cr), % 15 to 17
24 to 26
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 77.7 to 83.4
58.1 to 66.8
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 1.5 to 2.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.020