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S40977 Stainless Steel vs. EN 1.0255 Steel

Both S40977 stainless steel and EN 1.0255 steel are iron alloys. They have 88% 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 S40977 stainless steel and the bottom bar is EN 1.0255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
27
Fatigue Strength, MPa 200
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 320
280
Tensile Strength: Ultimate (UTS), MPa 510
430
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
400
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 25
40
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 97
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
100
Resilience: Unit (Modulus of Resilience), kJ/m3 250
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
15
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0 to 0.030
0 to 0.16
Chromium (Cr), % 10.5 to 12.5
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.9 to 89.2
94.1 to 99.98
Manganese (Mn), % 0 to 1.5
0 to 1.2
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0.3 to 1.0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020