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EN 1.4877 Stainless Steel vs. EN 1.7725 Steel

Both EN 1.4877 stainless steel and EN 1.7725 steel are iron alloys. They have 42% of their average alloy composition in common. 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 1.4877 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, % 36
14
Fatigue Strength, MPa 170
390 to 550
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 630
830 to 1000
Tensile Strength: Yield (Proof), MPa 200
610 to 860

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1150
440
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.9
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.8
Embodied Energy, MJ/kg 89
24
Embodied Water, L/kg 220
54

Common Calculations

PREN (Pitting Resistance) 28
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 100
980 to 1940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
29 to 35
Strength to Weight: Bending, points 20
25 to 28
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
24 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.27 to 0.34
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
1.3 to 1.7
Iron (Fe), % 36.4 to 42.3
95.7 to 97.5
Manganese (Mn), % 0 to 1.0
0.6 to 1.0
Molybdenum (Mo), % 0
0.3 to 0.5
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0.050 to 0.15