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EN 1.4542 Stainless Steel vs. N08801 Stainless Steel

Both EN 1.4542 stainless steel and N08801 stainless steel are iron alloys. They have 66% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4542 stainless steel and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 5.7 to 20
34
Fatigue Strength, MPa 370 to 640
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Shear Strength, MPa 550 to 860
570
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
860
Tensile Strength: Yield (Proof), MPa 580 to 1300
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 440
630
Maximum Temperature: Mechanical, °C 860
1090
Melting Completion (Liquidus), °C 1430
1390
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.5
Embodied Energy, MJ/kg 39
79
Embodied Water, L/kg 130
200

Common Calculations

PREN (Pitting Resistance) 17
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
220
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
92
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
30
Strength to Weight: Bending, points 26 to 37
25
Thermal Diffusivity, mm2/s 4.3
3.3
Thermal Shock Resistance, points 29 to 49
20

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 15 to 17
19 to 22
Copper (Cu), % 3.0 to 5.0
0 to 0.5
Iron (Fe), % 69.6 to 79
39.5 to 50.3
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 3.0 to 5.0
30 to 34
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5