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EN 1.4003 Stainless Steel vs. EN 1.4887 Stainless Steel

Both EN 1.4003 stainless steel and EN 1.4887 stainless steel are iron alloys. They have 53% 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 1.4003 stainless steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
45
Fatigue Strength, MPa 210
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 340
400
Tensile Strength: Ultimate (UTS), MPa 540
580
Tensile Strength: Yield (Proof), MPa 320
300

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
600
Maximum Temperature: Mechanical, °C 720
1100
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
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.9
6.7
Embodied Energy, MJ/kg 27
96
Embodied Water, L/kg 97
210

Common Calculations

PREN (Pitting Resistance) 12
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 10.5 to 12.5
20 to 23
Iron (Fe), % 83.9 to 89.2
34.2 to 45
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 0.3 to 1.0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0 to 0.030
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015