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EN 1.4849 Stainless Steel vs. AISI 442 Stainless Steel

Both EN 1.4849 stainless steel and AISI 442 stainless steel are iron alloys. They have 59% 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 1.4849 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 190
200
Elongation at Break, % 4.5
23
Fatigue Strength, MPa 120
210
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
580
Tensile Strength: Yield (Proof), MPa 250
310

Thermal Properties

Latent Heat of Fusion, J/g 320
290
Maximum Temperature: Corrosion, °C 620
420
Maximum Temperature: Mechanical, °C 1020
960
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 42
10
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.3
Embodied Energy, MJ/kg 100
32
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
250
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 3.2
5.8
Thermal Shock Resistance, points 11
20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.2
Chromium (Cr), % 18 to 21
18 to 23
Iron (Fe), % 32.6 to 43.5
74.1 to 82
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
0 to 0.6
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.040