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EN 1.4003 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4003 stainless steel and EN 1.4805 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4003 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
9.0
Fatigue Strength, MPa 210
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 540
490
Tensile Strength: Yield (Proof), MPa 320
250

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 720
1000
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
14
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.9
4.7
Embodied Energy, MJ/kg 27
66
Embodied Water, L/kg 97
180

Common Calculations

PREN (Pitting Resistance) 12
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
37
Resilience: Unit (Modulus of Resilience), kJ/m3 260
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 6.7
3.7
Thermal Shock Resistance, points 19
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 10.5 to 12.5
19 to 23
Iron (Fe), % 83.9 to 89.2
44.9 to 56.8
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0.3 to 1.0
23 to 27
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030