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EN 1.1151 Steel vs. EN 1.4309 Stainless Steel

Both EN 1.1151 steel and EN 1.4309 stainless steel are iron alloys. They have 70% 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 1.1151 steel and the bottom bar is EN 1.4309 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 26
34
Fatigue Strength, MPa 180 to 240
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 460 to 520
490
Tensile Strength: Yield (Proof), MPa 240 to 340
210

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 100
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 310
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
18
Strength to Weight: Bending, points 17 to 18
18
Thermal Diffusivity, mm2/s 13
4.1
Thermal Shock Resistance, points 15 to 16
11

Alloy Composition

Carbon (C), % 0.17 to 0.24
0 to 0.030
Chromium (Cr), % 0 to 0.4
18 to 20
Iron (Fe), % 97.7 to 99.43
64.2 to 73
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
9.0 to 12
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.5
Sulfur (S), % 0 to 0.035
0 to 0.025