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EN 1.4003 Stainless Steel vs. EN 1.4855 Stainless Steel

Both EN 1.4003 stainless steel and EN 1.4855 stainless steel are iron alloys. They have 61% 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 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
4.6
Fatigue Strength, MPa 210
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 320
250

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
610
Maximum Temperature: Mechanical, °C 720
1050
Melting Completion (Liquidus), °C 1440
1400
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
34
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
5.9
Embodied Energy, MJ/kg 27
85
Embodied Water, L/kg 97
200

Common Calculations

PREN (Pitting Resistance) 12
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
19
Resilience: Unit (Modulus of Resilience), kJ/m3 260
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
18
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
0.3 to 0.5
Chromium (Cr), % 10.5 to 12.5
23 to 25
Iron (Fe), % 83.9 to 89.2
42.6 to 51.9
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 25
Niobium (Nb), % 0
0.8 to 1.8
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 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030