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S32050 Stainless Steel vs. EN 1.7706 Steel

Both S32050 stainless steel and EN 1.7706 steel are iron alloys. They have 51% of their average alloy composition in common. There are 31 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 S32050 stainless steel and the bottom bar is EN 1.7706 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 46
17
Fatigue Strength, MPa 340
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 770
690
Tensile Strength: Yield (Proof), MPa 370
500

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
3.7
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.0
2.3
Embodied Energy, MJ/kg 81
32
Embodied Water, L/kg 210
57

Common Calculations

PREN (Pitting Resistance) 48
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
110
Resilience: Unit (Modulus of Resilience), kJ/m3 330
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 17
20

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.2
Chromium (Cr), % 22 to 24
1.2 to 1.5
Copper (Cu), % 0 to 0.4
0 to 0.3
Iron (Fe), % 43.1 to 51.8
94.7 to 97.1
Manganese (Mn), % 0 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 6.0 to 6.6
0.9 to 1.1
Nickel (Ni), % 20 to 23
0 to 0.4
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3