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S32202 Stainless Steel vs. EN 1.7779 Steel

Both S32202 stainless steel and EN 1.7779 steel are iron alloys. They have 78% 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 S32202 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 400
430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 490
500
Tensile Strength: Ultimate (UTS), MPa 730
810
Tensile Strength: Yield (Proof), MPa 510
660

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1030
470
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
4.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 37
41
Embodied Water, L/kg 150
64

Common Calculations

PREN (Pitting Resistance) 27
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 650
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
29
Strength to Weight: Bending, points 24
25
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 20
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0.17 to 0.23
Chromium (Cr), % 21.5 to 24
3.0 to 3.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 69.4 to 77.3
93.8 to 95.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 0 to 0.45
0.5 to 0.6
Nickel (Ni), % 1.0 to 2.8
0 to 0.3
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.010
Vanadium (V), % 0
0.45 to 0.55