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EN 1.4104 Stainless Steel vs. EN 1.4552 Stainless Steel

Both EN 1.4104 stainless steel and EN 1.4552 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4104 stainless steel and the bottom bar is EN 1.4552 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11 to 23
29
Fatigue Strength, MPa 230 to 310
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 630 to 750
510
Tensile Strength: Yield (Proof), MPa 350 to 560
200

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 860
960
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 30
52
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 18
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 800
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
18
Strength to Weight: Bending, points 21 to 24
18
Thermal Diffusivity, mm2/s 6.7
4.1
Thermal Shock Resistance, points 22 to 27
11

Alloy Composition

Carbon (C), % 0.1 to 0.17
0 to 0.070
Chromium (Cr), % 15.5 to 17.5
18 to 20
Iron (Fe), % 78.8 to 84.1
63.9 to 73
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0.2 to 0.6
0
Nickel (Ni), % 0
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0.15 to 0.35
0 to 0.030