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EN 1.4410 Stainless Steel vs. EN 1.4003 Stainless Steel

Both EN 1.4410 stainless steel and EN 1.4003 stainless steel are iron alloys. They have 76% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4410 stainless steel and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 24
22
Fatigue Strength, MPa 410
210
Impact Strength: V-Notched Charpy, J 90
67
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 540
340
Tensile Strength: Ultimate (UTS), MPa 850
540
Tensile Strength: Yield (Proof), MPa 600
320

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.9
Embodied Energy, MJ/kg 56
27
Embodied Water, L/kg 180
97

Common Calculations

PREN (Pitting Resistance) 42
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
100
Resilience: Unit (Modulus of Resilience), kJ/m3 880
260
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
10.5 to 12.5
Iron (Fe), % 58.1 to 66.8
83.9 to 89.2
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 3.0 to 4.5
0
Nickel (Ni), % 6.0 to 8.0
0.3 to 1.0
Nitrogen (N), % 0.24 to 0.35
0 to 0.030
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015