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EN 1.4658 Stainless Steel vs. S44330 Stainless Steel

Both EN 1.4658 stainless steel and S44330 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 EN 1.4658 stainless steel and the bottom bar is S44330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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