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EN 1.4859 Stainless Steel vs. EN 1.1127 Steel

Both EN 1.4859 stainless steel and EN 1.1127 steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 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 1.4859 stainless steel and the bottom bar is EN 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
14 to 25
Fatigue Strength, MPa 140
280 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 490
660 to 790
Tensile Strength: Yield (Proof), MPa 210
410 to 580

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1050
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
49
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 88
19
Embodied Water, L/kg 190
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 110
440 to 880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
23 to 28
Strength to Weight: Bending, points 17
22 to 24
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 11
21 to 25

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.34 to 0.42
Chromium (Cr), % 19 to 21
0 to 0.4
Iron (Fe), % 40.3 to 49
96.6 to 98.1
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 31 to 33
0 to 0.4
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.5 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035