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EN 1.4005 Stainless Steel vs. EN 1.4558 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.4558 stainless steel are iron alloys. They have 57% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is EN 1.4558 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 21
39
Fatigue Strength, MPa 240 to 290
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 390 to 450
350
Tensile Strength: Ultimate (UTS), MPa 630 to 750
510
Tensile Strength: Yield (Proof), MPa 370 to 500
200

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
480
Maximum Temperature: Mechanical, °C 760
1100
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 30
12
Thermal Expansion, µm/m-K 10
16

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 7.0
31
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.0
5.5
Embodied Energy, MJ/kg 28
77
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 14
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
160
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 27
18
Strength to Weight: Bending, points 21 to 24
18
Thermal Diffusivity, mm2/s 8.1
3.1
Thermal Shock Resistance, points 23 to 27
12

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.45
Carbon (C), % 0.060 to 0.15
0 to 0.030
Chromium (Cr), % 12 to 14
20 to 23
Iron (Fe), % 82.4 to 87.8
39.2 to 47.9
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
32 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0.15 to 0.35
0 to 0.015
Titanium (Ti), % 0
0 to 0.6