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S44660 Stainless Steel vs. EN 1.7380 Steel

Both S44660 stainless steel and EN 1.7380 steel are iron alloys. They have 70% 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 S44660 stainless steel and the bottom bar is EN 1.7380 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160 to 170
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
19 to 20
Fatigue Strength, MPa 330
200 to 230
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Shear Strength, MPa 410
330 to 350
Tensile Strength: Ultimate (UTS), MPa 660
540 to 550
Tensile Strength: Yield (Proof), MPa 510
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.8
Embodied Energy, MJ/kg 61
23
Embodied Water, L/kg 180
59

Common Calculations

PREN (Pitting Resistance) 38
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
87 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 640
230 to 280
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
19 to 20
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.5
11
Thermal Shock Resistance, points 21
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.14
Chromium (Cr), % 25 to 28
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.4 to 71
94.6 to 96.6
Manganese (Mn), % 0 to 1.0
0.4 to 0.8
Molybdenum (Mo), % 3.0 to 4.0
0.9 to 1.1
Nickel (Ni), % 1.0 to 3.5
0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 1.0
0