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EN 1.4658 Stainless Steel vs. EN 1.4006 Stainless Steel

Both EN 1.4658 stainless steel and EN 1.4006 stainless steel are iron alloys. They have 71% 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 1.4658 stainless steel and the bottom bar is EN 1.4006 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
16 to 23
Fatigue Strength, MPa 530
150 to 300
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 580
370 to 460
Tensile Strength: Ultimate (UTS), MPa 900
590 to 750
Tensile Strength: Yield (Proof), MPa 730
230 to 510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
740
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 25
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.5
1.9
Embodied Energy, MJ/kg 61
27
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 49
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
99 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
140 to 660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
21 to 27
Strength to Weight: Bending, points 26
20 to 24
Thermal Diffusivity, mm2/s 4.3
8.1
Thermal Shock Resistance, points 24
21 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.15
Chromium (Cr), % 26 to 29
11.5 to 13.5
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
83.1 to 88.4
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 5.5 to 9.5
0 to 0.75
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015