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EN 1.7767 Steel vs. S20433 Stainless Steel

Both EN 1.7767 steel and S20433 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is S20433 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
46
Fatigue Strength, MPa 320 to 340
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 420 to 430
440
Tensile Strength: Ultimate (UTS), MPa 670 to 690
630
Tensile Strength: Yield (Proof), MPa 460 to 500
270

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 480
900
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.7
Embodied Energy, MJ/kg 33
39
Embodied Water, L/kg 64
150

Common Calculations

PREN (Pitting Resistance) 6.4
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
230
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
180
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 19 to 20
14

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 2.8 to 3.3
17 to 18
Copper (Cu), % 0 to 0.25
1.5 to 3.5
Iron (Fe), % 93.8 to 95.8
64.1 to 72.4
Manganese (Mn), % 0.3 to 0.6
5.5 to 7.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0 to 0.25
3.5 to 5.5
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.1 to 0.25
Phosphorus (P), % 0 to 0.015
0 to 0.045
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.030
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0