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EN 1.4410 Stainless Steel vs. EN 1.4903 Stainless Steel

Both EN 1.4410 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 73% 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 1.4410 stainless steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 24
20 to 21
Fatigue Strength, MPa 410
320 to 330
Impact Strength: V-Notched Charpy, J 90
42 to 46
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
75
Shear Strength, MPa 540
420
Tensile Strength: Ultimate (UTS), MPa 850
670 to 680
Tensile Strength: Yield (Proof), MPa 600
500

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
380
Maximum Temperature: Mechanical, °C 1100
650
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
2.6
Embodied Energy, MJ/kg 56
36
Embodied Water, L/kg 180
88

Common Calculations

PREN (Pitting Resistance) 42
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 880
650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 26
22
Thermal Diffusivity, mm2/s 4.0
7.0
Thermal Shock Resistance, points 23
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0.080 to 0.12
Chromium (Cr), % 24 to 26
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 58.1 to 66.8
87.1 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 4.5
0.85 to 1.1
Nickel (Ni), % 6.0 to 8.0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.24 to 0.35
0.030 to 0.070
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25