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EN 1.4988 Stainless Steel vs. N08800 Stainless Steel

Both EN 1.4988 stainless steel and N08800 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4988 stainless steel and the bottom bar is N08800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
4.5 to 34
Fatigue Strength, MPa 230
150 to 390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 430
340 to 580
Tensile Strength: Ultimate (UTS), MPa 640
500 to 1000
Tensile Strength: Yield (Proof), MPa 290
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 520
490
Maximum Temperature: Mechanical, °C 920
1100
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 15
12
Thermal Expansion, µm/m-K 16
14

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 23
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 6.0
5.3
Embodied Energy, MJ/kg 89
76
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 22
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 210
96 to 1740
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
18 to 35
Strength to Weight: Bending, points 21
18 to 28
Thermal Diffusivity, mm2/s 4.0
3.0
Thermal Shock Resistance, points 14
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.040 to 0.1
0 to 0.1
Chromium (Cr), % 15.5 to 17.5
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 62.1 to 69.5
39.5 to 50.7
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 1.1 to 1.5
0
Nickel (Ni), % 12.5 to 14.5
30 to 35
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0.060 to 0.14
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0.6 to 0.85
0