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EN 1.1170 Steel vs. EN 1.4855 Stainless Steel

Both EN 1.1170 steel and EN 1.4855 stainless steel are iron alloys. They have 49% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.1170 steel and the bottom bar is EN 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
4.6
Fatigue Strength, MPa 220 to 330
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 640 to 730
500
Tensile Strength: Yield (Proof), MPa 330 to 500
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
5.9
Embodied Energy, MJ/kg 19
85
Embodied Water, L/kg 49
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
19
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
18
Strength to Weight: Bending, points 21 to 23
18
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 20 to 23
11

Alloy Composition

Carbon (C), % 0.25 to 0.32
0.3 to 0.5
Chromium (Cr), % 0 to 0.4
23 to 25
Iron (Fe), % 96.7 to 98.5
42.6 to 51.9
Manganese (Mn), % 1.3 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0 to 0.5
Nickel (Ni), % 0 to 0.4
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0 to 0.035
0 to 0.030