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EN 1.4849 Stainless Steel vs. AISI 434 Stainless Steel

Both EN 1.4849 stainless steel and AISI 434 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 30 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 EN 1.4849 stainless steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.5
24
Fatigue Strength, MPa 120
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Tensile Strength: Ultimate (UTS), MPa 480
520
Tensile Strength: Yield (Proof), MPa 250
320

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 620
410
Maximum Temperature: Mechanical, °C 1020
880
Melting Completion (Liquidus), °C 1390
1510
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.4
Embodied Energy, MJ/kg 100
33
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 20
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.12
Chromium (Cr), % 18 to 21
16 to 18
Iron (Fe), % 32.6 to 43.5
78.6 to 83.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.75 to 1.3
Nickel (Ni), % 36 to 39
0
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 0.030