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EN 1.4521 Stainless Steel vs. N08700 Stainless Steel

Both EN 1.4521 stainless steel and N08700 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4521 stainless steel and the bottom bar is N08700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
32
Fatigue Strength, MPa 230
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 330
410
Tensile Strength: Ultimate (UTS), MPa 520
620
Tensile Strength: Yield (Proof), MPa 340
270

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
460
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
13
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 12
32
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.0
Embodied Energy, MJ/kg 39
82
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 26
36
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
160
Resilience: Unit (Modulus of Resilience), kJ/m3 280
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 6.2
3.5
Thermal Shock Resistance, points 18
14

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.040
Chromium (Cr), % 17 to 20
19 to 23
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 74.6 to 81.1
42 to 52.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.5
4.3 to 5.0
Nickel (Ni), % 0
24 to 26
Niobium (Nb), % 0
0 to 0.4
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0