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S44660 Stainless Steel vs. EN 1.7338 Steel

Both S44660 stainless steel and EN 1.7338 steel are iron alloys. They have 69% 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 1.7338 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
23
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 410
310
Tensile Strength: Ultimate (UTS), MPa 660
490
Tensile Strength: Yield (Proof), MPa 510
300

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
3.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 61
21
Embodied Water, L/kg 180
53

Common Calculations

PREN (Pitting Resistance) 38
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
97
Resilience: Unit (Modulus of Resilience), kJ/m3 640
240
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
17
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.5
11
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 25 to 28
1.0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.4 to 71
95.4 to 97.8
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.0
0.45 to 0.65
Nickel (Ni), % 1.0 to 3.5
0 to 0.3
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.5 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 1.0
0