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EN 1.3967 Stainless Steel vs. SAE-AISI 4161 Steel

Both EN 1.3967 stainless steel and SAE-AISI 4161 steel are iron alloys. They have 56% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.3967 stainless steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
20
Fatigue Strength, MPa 240
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 690
680
Tensile Strength: Yield (Proof), MPa 350
410

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1070
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 66
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.030
0.56 to 0.64
Chromium (Cr), % 20 to 21.5
0.7 to 0.9
Iron (Fe), % 50.3 to 57.8
96.7 to 97.6
Manganese (Mn), % 4.0 to 6.0
0.75 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0.25 to 0.35
Nickel (Ni), % 15 to 17
0
Niobium (Nb), % 0 to 0.25
0
Nitrogen (N), % 0.2 to 0.35
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040