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EN 1.4597 Stainless Steel vs. EN 1.4003 Stainless Steel

Both EN 1.4597 stainless steel and EN 1.4003 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4597 stainless steel and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
22
Fatigue Strength, MPa 300
210
Impact Strength: V-Notched Charpy, J 90
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 470
340
Tensile Strength: Ultimate (UTS), MPa 680
540
Tensile Strength: Yield (Proof), MPa 330
320

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 860
720
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.9
Embodied Energy, MJ/kg 36
27
Embodied Water, L/kg 140
97

Common Calculations

PREN (Pitting Resistance) 21
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 4.1
6.7
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 15 to 18
10.5 to 12.5
Copper (Cu), % 2.0 to 3.5
0
Iron (Fe), % 63 to 76.4
83.9 to 89.2
Manganese (Mn), % 6.5 to 9.0
0 to 1.5
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0.3 to 1.0
Nitrogen (N), % 0.1 to 0.3
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015