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EN 1.4841 Stainless Steel vs. EN 1.4434 Stainless Steel

Both EN 1.4841 stainless steel and EN 1.4434 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 83% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4841 stainless steel and the bottom bar is EN 1.4434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 32
41
Fatigue Strength, MPa 200
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 430
450
Tensile Strength: Ultimate (UTS), MPa 650
660
Tensile Strength: Yield (Proof), MPa 260
310

Thermal Properties

Latent Heat of Fusion, J/g 330
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1150
980
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1400
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
21
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
4.2
Embodied Energy, MJ/kg 62
57
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 26
32
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
220
Resilience: Unit (Modulus of Resilience), kJ/m3 170
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
23
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.030
Chromium (Cr), % 24 to 26
16.5 to 19.5
Iron (Fe), % 47.1 to 55.5
59.2 to 69.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 19 to 22
10.5 to 14
Nitrogen (N), % 0 to 0.1
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015