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EN 1.1181 Steel vs. EN 1.3967 Stainless Steel

Both EN 1.1181 steel and EN 1.3967 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.1181 steel and the bottom bar is EN 1.3967 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19 to 20
22
Fatigue Strength, MPa 190 to 260
240
Impact Strength: V-Notched Charpy, J 23 to 38
74
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 560 to 620
690
Tensile Strength: Yield (Proof), MPa 280 to 380
350

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1070
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.8
Embodied Energy, MJ/kg 19
66
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 380
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20 to 22
24
Strength to Weight: Bending, points 19 to 21
22
Thermal Shock Resistance, points 19 to 21
15

Alloy Composition

Carbon (C), % 0.32 to 0.39
0 to 0.030
Chromium (Cr), % 0 to 0.4
20 to 21.5
Iron (Fe), % 97.4 to 99.18
50.3 to 57.8
Manganese (Mn), % 0.5 to 0.8
4.0 to 6.0
Molybdenum (Mo), % 0 to 0.1
3.0 to 3.5
Nickel (Ni), % 0 to 0.4
15 to 17
Niobium (Nb), % 0
0 to 0.25
Nitrogen (N), % 0
0.2 to 0.35
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.010