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EN 1.4805 Stainless Steel vs. AISI 442 Stainless Steel

Both EN 1.4805 stainless steel and AISI 442 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 stainless steel and the bottom bar is AISI 442 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
23
Fatigue Strength, MPa 130
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 490
580
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 1000
960
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.7
2.3
Embodied Energy, MJ/kg 66
32
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 22
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.7
5.8
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.2
Chromium (Cr), % 19 to 23
18 to 23
Iron (Fe), % 44.9 to 56.8
74.1 to 82
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040