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S32654 Stainless Steel vs. EN 1.7706 Steel

Both S32654 stainless steel and EN 1.7706 steel are iron alloys. They have 45% 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 S32654 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, % 45
17
Fatigue Strength, MPa 450
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 82
73
Tensile Strength: Ultimate (UTS), MPa 850
690
Tensile Strength: Yield (Proof), MPa 490
500

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 11
40
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 34
3.7
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.4
2.3
Embodied Energy, MJ/kg 87
32
Embodied Water, L/kg 220
57

Common Calculations

PREN (Pitting Resistance) 57
4.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
110
Resilience: Unit (Modulus of Resilience), kJ/m3 570
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
24
Strength to Weight: Bending, points 25
22
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.020
0.15 to 0.2
Chromium (Cr), % 24 to 25
1.2 to 1.5
Copper (Cu), % 0.3 to 0.6
0 to 0.3
Iron (Fe), % 38.3 to 45.3
94.7 to 97.1
Manganese (Mn), % 2.0 to 4.0
0.5 to 0.9
Molybdenum (Mo), % 7.0 to 8.0
0.9 to 1.1
Nickel (Ni), % 21 to 23
0 to 0.4
Nitrogen (N), % 0.45 to 0.55
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0
0.2 to 0.3