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EN 1.4854 Stainless Steel vs. EN 1.7725 Steel

Both EN 1.4854 stainless steel and EN 1.7725 steel are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4854 stainless steel and the bottom bar is EN 1.7725 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250 to 300
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
14
Fatigue Strength, MPa 310
390 to 550
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 750
830 to 1000
Tensile Strength: Yield (Proof), MPa 340
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1170
440
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 11
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.8
Embodied Energy, MJ/kg 81
24
Embodied Water, L/kg 220
54

Common Calculations

PREN (Pitting Resistance) 28
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
29 to 35
Strength to Weight: Bending, points 23
25 to 28
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 18
24 to 29

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.27 to 0.34
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 24 to 26
1.3 to 1.7
Iron (Fe), % 33.6 to 40.6
95.7 to 97.5
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 34 to 36
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.2 to 2.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15