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EN 1.4003 Stainless Steel vs. EN 1.8527 Steel

Both EN 1.4003 stainless steel and EN 1.8527 steel are iron alloys. They have a moderately high 92% 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 1.8527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
270
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
16
Fatigue Strength, MPa 210
520
Impact Strength: V-Notched Charpy, J 67
39
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 340
550
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 320
800

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 720
490
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
4.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.7
Embodied Energy, MJ/kg 27
23
Embodied Water, L/kg 97
66

Common Calculations

PREN (Pitting Resistance) 12
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1670
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 19
26

Alloy Composition

Carbon (C), % 0 to 0.030
0.040 to 0.12
Chromium (Cr), % 10.5 to 12.5
3.7 to 4.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 83.9 to 89.2
93.2 to 95.1
Manganese (Mn), % 0 to 1.5
0.85 to 1.2
Molybdenum (Mo), % 0
0.4 to 0.6
Nickel (Ni), % 0.3 to 1.0
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035