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EN 1.4310 Stainless Steel vs. EN 1.4432 Stainless Steel

Both EN 1.4310 stainless steel and EN 1.4432 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 33 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 1.4310 stainless steel and the bottom bar is EN 1.4432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
44
Fatigue Strength, MPa 240 to 330
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 510 to 550
420
Tensile Strength: Ultimate (UTS), MPa 730 to 900
610
Tensile Strength: Yield (Proof), MPa 260 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
960
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
3.9
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 20
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 32
21
Strength to Weight: Bending, points 23 to 27
20
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15 to 18
14

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 16 to 19
16.5 to 18.5
Iron (Fe), % 66.4 to 78
62.3 to 70.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.8
2.5 to 3.0
Nickel (Ni), % 6.0 to 9.5
10.5 to 13
Nitrogen (N), % 0 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015