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EN 1.4029 Stainless Steel vs. S33425 Stainless Steel

Both EN 1.4029 stainless steel and S33425 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4029 stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10 to 20
45
Fatigue Strength, MPa 270 to 400
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 440 to 550
400
Tensile Strength: Ultimate (UTS), MPa 700 to 930
580
Tensile Strength: Yield (Proof), MPa 410 to 740
230

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
500
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
27
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
5.1
Embodied Energy, MJ/kg 28
71
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 14
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
20
Strength to Weight: Bending, points 23 to 27
19
Thermal Diffusivity, mm2/s 8.1
3.7
Thermal Shock Resistance, points 26 to 34
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.25 to 0.32
0 to 0.080
Chromium (Cr), % 12 to 13.5
21 to 23
Iron (Fe), % 82.8 to 87.6
47.2 to 56.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
2.0 to 3.0
Nickel (Ni), % 0
20 to 23
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.25
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6