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EN 1.4826 Stainless Steel vs. EN 1.7725 Steel

Both EN 1.4826 stainless steel and EN 1.7725 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4826 stainless steel and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
14
Fatigue Strength, MPa 140
390 to 550
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 500
830 to 1000
Tensile Strength: Yield (Proof), MPa 260
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.8
Embodied Energy, MJ/kg 47
24
Embodied Water, L/kg 160
54

Common Calculations

PREN (Pitting Resistance) 23
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
29 to 35
Strength to Weight: Bending, points 18
25 to 28
Thermal Diffusivity, mm2/s 3.7
11
Thermal Shock Resistance, points 11
24 to 29

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.27 to 0.34
Chromium (Cr), % 21 to 23
1.3 to 1.7
Iron (Fe), % 60.4 to 68.7
95.7 to 97.5
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.3 to 0.5
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15