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EN 1.4650 Stainless Steel vs. EN 1.1170 Steel

Both EN 1.4650 stainless steel and EN 1.1170 steel are iron alloys. They have 71% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4650 stainless steel and the bottom bar is EN 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 48
16 to 17
Fatigue Strength, MPa 230
220 to 330
Impact Strength: V-Notched Charpy, J 91
28 to 35
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 440
390 to 450
Tensile Strength: Ultimate (UTS), MPa 620
640 to 730
Tensile Strength: Yield (Proof), MPa 240
330 to 500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 970
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 16
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 43
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 150
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23 to 26
Strength to Weight: Bending, points 21
21 to 23
Thermal Diffusivity, mm2/s 4.1
13
Thermal Shock Resistance, points 14
20 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0.25 to 0.32
Chromium (Cr), % 18.5 to 20
0 to 0.4
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 65.8 to 72.5
96.7 to 98.5
Manganese (Mn), % 0 to 2.0
1.3 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 9.0 to 10
0 to 0.4
Nitrogen (N), % 0 to 0.080
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035