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EN 1.4658 Stainless Steel vs. N08801 Stainless Steel

Both EN 1.4658 stainless steel and N08801 stainless steel are iron alloys. They have 74% 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 N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
34
Fatigue Strength, MPa 530
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 580
570
Tensile Strength: Ultimate (UTS), MPa 900
860
Tensile Strength: Yield (Proof), MPa 730
190

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
630
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.5
5.5
Embodied Energy, MJ/kg 61
79
Embodied Water, L/kg 200
200

Common Calculations

PREN (Pitting Resistance) 49
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
92
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
30
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 4.3
3.3
Thermal Shock Resistance, points 24
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 26 to 29
19 to 22
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0 to 0.5
Iron (Fe), % 50.9 to 63.7
39.5 to 50.3
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
30 to 34
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5