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EN 1.1170 Steel vs. N08904 Stainless Steel

Both EN 1.1170 steel and N08904 stainless steel are iron alloys. They have 48% 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 EN 1.1170 steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
38
Fatigue Strength, MPa 220 to 330
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 390 to 450
370
Tensile Strength: Ultimate (UTS), MPa 640 to 730
540
Tensile Strength: Yield (Proof), MPa 330 to 500
240

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 12
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
5.8
Embodied Energy, MJ/kg 19
79
Embodied Water, L/kg 49
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
170
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 26
19
Strength to Weight: Bending, points 21 to 23
18
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 20 to 23
12

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.020
Chromium (Cr), % 0 to 0.4
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 96.7 to 98.5
38.8 to 53
Manganese (Mn), % 1.3 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
4.0 to 5.0
Nickel (Ni), % 0 to 0.4
23 to 28
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.035