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EN 1.4597 Stainless Steel vs. S44660 Stainless Steel

Both EN 1.4597 stainless steel and S44660 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4597 stainless steel and the bottom bar is S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 45
20
Fatigue Strength, MPa 300
330
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 470
410
Tensile Strength: Ultimate (UTS), MPa 680
660
Tensile Strength: Yield (Proof), MPa 330
510

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
640
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
4.3
Embodied Energy, MJ/kg 36
61
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 21
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 4.1
4.5
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 15 to 18
25 to 28
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 63 to 76.4
60.4 to 71
Manganese (Mn), % 6.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
3.0 to 4.0
Nickel (Ni), % 0 to 3.0
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.1 to 0.3
0 to 0.040
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.2 to 1.0