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EN 1.7767 Steel vs. S82012 Stainless Steel

Both EN 1.7767 steel and S82012 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 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 S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
40
Fatigue Strength, MPa 320 to 340
480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 420 to 430
550
Tensile Strength: Ultimate (UTS), MPa 670 to 690
800
Tensile Strength: Yield (Proof), MPa 460 to 500
560

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 480
950
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
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.4
Embodied Energy, MJ/kg 33
35
Embodied Water, L/kg 64
140

Common Calculations

PREN (Pitting Resistance) 6.4
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
290
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
29
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 19 to 20
23

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.050
Chromium (Cr), % 2.8 to 3.3
19 to 20.5
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 93.8 to 95.8
71.3 to 77.9
Manganese (Mn), % 0.3 to 0.6
2.0 to 4.0
Molybdenum (Mo), % 0.9 to 1.1
0.1 to 0.6
Nickel (Ni), % 0 to 0.25
0.8 to 1.5
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0.16 to 0.26
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 0.8
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