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EN 1.7767 Steel vs. S32520 Stainless Steel

Both EN 1.7767 steel and S32520 stainless steel are iron alloys. They have 67% 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 S32520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 320 to 340
460
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80
Shear Strength, MPa 420 to 430
560
Tensile Strength: Ultimate (UTS), MPa 670 to 690
860
Tensile Strength: Yield (Proof), MPa 460 to 500
630

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 480
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.4
4.0
Embodied Energy, MJ/kg 33
55
Embodied Water, L/kg 64
180

Common Calculations

PREN (Pitting Resistance) 6.4
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
960
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 11
4.1
Thermal Shock Resistance, points 19 to 20
24

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
24 to 26
Copper (Cu), % 0 to 0.25
0.5 to 2.0
Iron (Fe), % 93.8 to 95.8
57.3 to 66.8
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
3.0 to 4.0
Nickel (Ni), % 0 to 0.25
5.5 to 8.0
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.2 to 0.35
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 0.8
Sulfur (S), % 0 to 0.0050
0 to 0.020
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0