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AISI 440B Stainless Steel vs. EN 1.4849 Stainless Steel

Both AISI 440B stainless steel and EN 1.4849 stainless steel are iron alloys. They have 57% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is AISI 440B stainless steel and the bottom bar is EN 1.4849 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.0 to 18
4.5
Fatigue Strength, MPa 260 to 850
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 740 to 1930
480
Tensile Strength: Yield (Proof), MPa 430 to 1860
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
620
Maximum Temperature: Mechanical, °C 870
1020
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
42
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
7.1
Embodied Energy, MJ/kg 31
100
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 57 to 110
18
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 70
17
Strength to Weight: Bending, points 24 to 45
17
Thermal Diffusivity, mm2/s 6.1
3.2
Thermal Shock Resistance, points 27 to 70
11

Alloy Composition

Carbon (C), % 0.75 to 1.0
0.3 to 0.5
Chromium (Cr), % 16 to 18
18 to 21
Iron (Fe), % 78.2 to 83.3
32.6 to 43.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 0
36 to 39
Niobium (Nb), % 0
1.2 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030