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EN 1.7767 Steel vs. S82441 Stainless Steel

Both EN 1.7767 steel and S82441 stainless steel are iron alloys. They have 71% 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 S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
28
Fatigue Strength, MPa 320 to 340
400
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
79
Shear Strength, MPa 420 to 430
490
Tensile Strength: Ultimate (UTS), MPa 670 to 690
760
Tensile Strength: Yield (Proof), MPa 460 to 500
550

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 480
1090
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1430
1380
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
16
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.2
Embodied Energy, MJ/kg 33
45
Embodied Water, L/kg 64
170

Common Calculations

PREN (Pitting Resistance) 6.4
33
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 19 to 20
21

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 2.8 to 3.3
23 to 25
Copper (Cu), % 0 to 0.25
0.1 to 0.8
Iron (Fe), % 93.8 to 95.8
62.6 to 70.2
Manganese (Mn), % 0.3 to 0.6
2.5 to 4.0
Molybdenum (Mo), % 0.9 to 1.1
1.0 to 2.0
Nickel (Ni), % 0 to 0.25
3.0 to 4.5
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.2 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.15
0 to 0.7
Sulfur (S), % 0 to 0.0050
0 to 0.0050
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0