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EN 1.4597 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.4597 stainless steel and S44330 stainless steel are iron alloys. They have 88% 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 S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
25
Fatigue Strength, MPa 300
160
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
78
Shear Strength, MPa 470
280
Tensile Strength: Ultimate (UTS), MPa 680
440
Tensile Strength: Yield (Proof), MPa 330
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
560
Maximum Temperature: Mechanical, °C 860
990
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
21
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 11
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.5
2.8
Embodied Energy, MJ/kg 36
40
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 21
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
91
Resilience: Unit (Modulus of Resilience), kJ/m3 280
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 4.1
5.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 15 to 18
20 to 23
Copper (Cu), % 2.0 to 3.5
0.3 to 0.8
Iron (Fe), % 63 to 76.4
72.5 to 79.7
Manganese (Mn), % 6.5 to 9.0
0 to 1.0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0
Niobium (Nb), % 0
0 to 0.8
Nitrogen (N), % 0.1 to 0.3
0 to 0.025
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 to 0.8