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AISI 442 Stainless Steel vs. EN 1.4372 Stainless Steel

Both AISI 442 stainless steel and EN 1.4372 stainless steel are iron alloys. They have 90% 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 AISI 442 stainless steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
47
Fatigue Strength, MPa 210
330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 370
560
Tensile Strength: Ultimate (UTS), MPa 580
790
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
880
Melting Completion (Liquidus), °C 1430
1410
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 32
38
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
310
Resilience: Unit (Modulus of Resilience), kJ/m3 250
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 5.8
4.0
Thermal Shock Resistance, points 20
17

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.15
Chromium (Cr), % 18 to 23
16 to 18
Iron (Fe), % 74.1 to 82
67.5 to 75
Manganese (Mn), % 0 to 1.0
5.5 to 7.5
Nickel (Ni), % 0 to 0.6
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015