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S44800 Stainless Steel vs. EN 1.4429 Stainless Steel

Both S44800 stainless steel and EN 1.4429 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 33 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 S44800 stainless steel and the bottom bar is EN 1.4429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 300
280
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
78
Shear Strength, MPa 370
470
Tensile Strength: Ultimate (UTS), MPa 590
690
Tensile Strength: Yield (Proof), MPa 450
320

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
4.0
Embodied Energy, MJ/kg 52
55
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 42
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
230
Resilience: Unit (Modulus of Resilience), kJ/m3 480
250
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.030
Chromium (Cr), % 28 to 30
16.5 to 18.5
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
61.2 to 69.9
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
2.5 to 3.0
Nickel (Ni), % 2.0 to 2.5
11 to 14
Nitrogen (N), % 0 to 0.020
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015