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EN 1.1133 Steel vs. EN 1.4008 Stainless Steel

Both EN 1.1133 steel and EN 1.4008 stainless steel are iron alloys. They have 86% 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 1.1133 steel and the bottom bar is EN 1.4008 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 24
17
Fatigue Strength, MPa 230 to 310
300
Impact Strength: V-Notched Charpy, J 45 to 48
31
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 580 to 620
670
Tensile Strength: Yield (Proof), MPa 320 to 460
500

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
760
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 49
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 8.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
8.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.1
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 48
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
100
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
630
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 22
24
Strength to Weight: Bending, points 20 to 21
22
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 18 to 19
23

Alloy Composition

Carbon (C), % 0.17 to 0.23
0 to 0.1
Chromium (Cr), % 0 to 0.4
12 to 13.5
Iron (Fe), % 96.9 to 98.8
81.8 to 86.8
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.2 to 0.5
Nickel (Ni), % 0 to 0.4
1.0 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.025