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EN 1.7767 Steel vs. S20161 Stainless Steel

Both EN 1.7767 steel and S20161 stainless steel are iron alloys. They have 74% of their average alloy composition in common. There are 32 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 1.7767 steel and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
46
Fatigue Strength, MPa 320 to 340
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 420 to 430
690
Tensile Strength: Ultimate (UTS), MPa 670 to 690
980
Tensile Strength: Yield (Proof), MPa 460 to 500
390

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 480
870
Melting Completion (Liquidus), °C 1470
1380
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
12
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 33
39
Embodied Water, L/kg 64
130

Common Calculations

PREN (Pitting Resistance) 6.4
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
360
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
390
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 24
36
Strength to Weight: Bending, points 22
29
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 19 to 20
22

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.15
Chromium (Cr), % 2.8 to 3.3
15 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 93.8 to 95.8
65.6 to 73.9
Manganese (Mn), % 0.3 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
4.0 to 6.0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.080 to 0.2
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
3.0 to 4.0
Sulfur (S), % 0 to 0.0050
0 to 0.040
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0