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EN 1.4938 Stainless Steel vs. N08028 Stainless Steel

Both EN 1.4938 stainless steel and N08028 stainless steel are iron alloys. They have 52% 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 1.4938 stainless steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
45
Fatigue Strength, MPa 390 to 520
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 540 to 630
400
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
570
Tensile Strength: Yield (Proof), MPa 640 to 870
240

Thermal Properties

Latent Heat of Fusion, J/g 270
320
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 10
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 3.3
6.4
Embodied Energy, MJ/kg 47
89
Embodied Water, L/kg 110
240

Common Calculations

PREN (Pitting Resistance) 18
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
19
Strength to Weight: Bending, points 26 to 29
19
Thermal Diffusivity, mm2/s 8.1
3.2
Thermal Shock Resistance, points 30 to 35
12

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 80.5 to 84.8
29 to 40.4
Manganese (Mn), % 0.4 to 0.9
0 to 2.5
Molybdenum (Mo), % 1.5 to 2.0
3.0 to 4.0
Nickel (Ni), % 2.0 to 3.0
30 to 34
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0