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EN 1.4938 Stainless Steel vs. N08800 Stainless Steel

Both EN 1.4938 stainless steel and N08800 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4938 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, % 16 to 17
4.5 to 34
Fatigue Strength, MPa 390 to 520
150 to 390
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 540 to 630
340 to 580
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
500 to 1000
Tensile Strength: Yield (Proof), MPa 640 to 870
190 to 830

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
490
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 11
14

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 10
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.3
Embodied Energy, MJ/kg 47
76
Embodied Water, L/kg 110
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
42 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
96 to 1740
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
18 to 35
Strength to Weight: Bending, points 26 to 29
18 to 28
Thermal Diffusivity, mm2/s 8.1
3.0
Thermal Shock Resistance, points 30 to 35
13 to 25

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.080 to 0.15
0 to 0.1
Chromium (Cr), % 11 to 12.5
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 80.5 to 84.8
39.5 to 50.7
Manganese (Mn), % 0.4 to 0.9
0 to 1.5
Molybdenum (Mo), % 1.5 to 2.0
0
Nickel (Ni), % 2.0 to 3.0
30 to 35
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6
Vanadium (V), % 0.25 to 0.4
0

Comparable Variants