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EN 1.1170 Steel vs. EN 1.4589 Stainless Steel

Both EN 1.1170 steel and EN 1.4589 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 30 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 EN 1.4589 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16 to 17
17
Fatigue Strength, MPa 220 to 330
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 390 to 450
400
Tensile Strength: Ultimate (UTS), MPa 640 to 730
650
Tensile Strength: Yield (Proof), MPa 330 to 500
440

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
25
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.4
Embodied Energy, MJ/kg 19
34
Embodied Water, L/kg 49
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 100
96
Resilience: Unit (Modulus of Resilience), kJ/m3 290 to 670
490
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
23
Strength to Weight: Bending, points 21 to 23
22
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 20 to 23
23

Alloy Composition

Carbon (C), % 0.25 to 0.32
0 to 0.080
Chromium (Cr), % 0 to 0.4
13.5 to 15.5
Iron (Fe), % 96.7 to 98.5
78.2 to 85
Manganese (Mn), % 1.3 to 1.7
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.2 to 1.2
Nickel (Ni), % 0 to 0.4
1.0 to 2.5
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
0.3 to 0.5