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S42010 Stainless Steel vs. EN 1.7725 Steel

Both S42010 stainless steel and EN 1.7725 steel are iron alloys. They have 86% of their average alloy composition in common. There are 30 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 S42010 stainless steel and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
14
Fatigue Strength, MPa 220
390 to 550
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 590
830 to 1000
Tensile Strength: Yield (Proof), MPa 350
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 800
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 29
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.8
Embodied Energy, MJ/kg 30
24
Embodied Water, L/kg 110
54

Common Calculations

PREN (Pitting Resistance) 16
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
29 to 35
Strength to Weight: Bending, points 20
25 to 28
Thermal Diffusivity, mm2/s 7.9
11
Thermal Shock Resistance, points 21
24 to 29

Alloy Composition

Carbon (C), % 0.15 to 0.3
0.27 to 0.34
Chromium (Cr), % 13.5 to 15
1.3 to 1.7
Iron (Fe), % 80.9 to 85.6
95.7 to 97.5
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0.4 to 0.85
0.3 to 0.5
Nickel (Ni), % 0.35 to 0.85
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15