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S20432 Stainless Steel vs. EN 1.4438 Stainless Steel

Both S20432 stainless steel and EN 1.4438 stainless steel are iron alloys. They have 86% 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 S20432 stainless steel and the bottom bar is EN 1.4438 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
41
Fatigue Strength, MPa 210
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 400
420
Tensile Strength: Ultimate (UTS), MPa 580
620
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 900
1000
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.4
Embodied Energy, MJ/kg 38
60
Embodied Water, L/kg 140
160

Common Calculations

PREN (Pitting Resistance) 20
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17 to 18
17.5 to 19.5
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 66.7 to 74
57.3 to 66.5
Manganese (Mn), % 3.0 to 5.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 4.0 to 6.0
13 to 16
Nitrogen (N), % 0.050 to 0.2
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015