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S44626 Stainless Steel vs. EN 1.7725 Steel

Both S44626 stainless steel and EN 1.7725 steel are iron alloys. They have 74% of their average alloy composition in common. There are 31 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 S44626 stainless steel and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
14
Fatigue Strength, MPa 230
390 to 550
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
830 to 1000
Tensile Strength: Yield (Proof), MPa 350
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.8
Embodied Energy, MJ/kg 42
24
Embodied Water, L/kg 160
54

Common Calculations

PREN (Pitting Resistance) 30
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
980 to 1940
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 19
29 to 35
Strength to Weight: Bending, points 19
25 to 28
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 18
24 to 29

Alloy Composition

Carbon (C), % 0 to 0.060
0.27 to 0.34
Chromium (Cr), % 25 to 27
1.3 to 1.7
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 68.1 to 74.1
95.7 to 97.5
Manganese (Mn), % 0 to 0.75
0.6 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0.3 to 0.5
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0
Vanadium (V), % 0
0.050 to 0.15