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EN 1.1170 Steel vs. S44627 Stainless Steel

Both EN 1.1170 steel and S44627 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.1170 steel and the bottom bar is S44627 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
24
Fatigue Strength, MPa 220 to 330
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 390 to 450
310
Tensile Strength: Ultimate (UTS), MPa 640 to 730
490
Tensile Strength: Yield (Proof), MPa 330 to 500
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 19
41
Embodied Water, L/kg 49
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
100
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
220
Stiffness to Weight: Axial, points 13
15
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
4.6
Thermal Shock Resistance, points 20 to 23
16

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.010
Chromium (Cr), % 0 to 0.4
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 96.7 to 98.5
69.2 to 74.2
Manganese (Mn), % 1.3 to 1.7
0 to 0.4
Molybdenum (Mo), % 0 to 0.1
0.75 to 1.5
Nickel (Ni), % 0 to 0.4
0 to 0.5
Niobium (Nb), % 0
0.050 to 0.2
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.020