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AISI 442 Stainless Steel vs. EN 1.4650 Stainless Steel

Both AISI 442 stainless steel and EN 1.4650 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 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
48
Fatigue Strength, MPa 210
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 370
440
Tensile Strength: Ultimate (UTS), MPa 580
620
Tensile Strength: Yield (Proof), MPa 310
240

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 960
970
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
3.1
Embodied Energy, MJ/kg 32
43
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 21
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 250
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
21
Thermal Diffusivity, mm2/s 5.8
4.1
Thermal Shock Resistance, points 20
14

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 18 to 23
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 74.1 to 82
65.8 to 72.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.6
9.0 to 10
Nitrogen (N), % 0
0 to 0.080
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