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S44330 Stainless Steel vs. EN 1.4658 Stainless Steel

Both S44330 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44330 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
28
Fatigue Strength, MPa 160
530
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 280
580
Tensile Strength: Ultimate (UTS), MPa 440
900
Tensile Strength: Yield (Proof), MPa 230
730

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 560
460
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 40
61
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 22
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
240
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 16
32
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 5.7
4.3
Thermal Shock Resistance, points 16
24

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 20 to 23
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0.3 to 0.8
0 to 1.0
Iron (Fe), % 72.5 to 79.7
50.9 to 63.7
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Niobium (Nb), % 0 to 0.8
0
Nitrogen (N), % 0 to 0.025
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.8
0