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EN 1.4865 Stainless Steel vs. EN 1.1122 Steel

Both EN 1.4865 stainless steel and EN 1.1122 steel are iron alloys. They have 40% of their average alloy composition in common. There are 30 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 EN 1.4865 stainless steel and the bottom bar is EN 1.1122 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
100 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8
12 to 21
Fatigue Strength, MPa 120
170 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 470
340 to 460
Tensile Strength: Yield (Proof), MPa 250
240 to 370

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1330
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 33
1.8
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 5.8
1.4
Embodied Energy, MJ/kg 81
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
36 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 160
160 to 360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
12 to 16
Strength to Weight: Bending, points 17
14 to 17
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 11
11 to 15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.080 to 0.12
Chromium (Cr), % 18 to 21
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 34.4 to 44.7
98.7 to 99.62
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025