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ASTM A387 Grade 22L Class 1 vs. N08801 Stainless Steel

Both ASTM A387 grade 22L class 1 and N08801 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 48% of their average alloy composition in common. There are 31 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 ASTM A387 grade 22L class 1 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, % 20
34
Fatigue Strength, MPa 160
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 310
570
Tensile Strength: Ultimate (UTS), MPa 500
860
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1090
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
30
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.5
Embodied Energy, MJ/kg 23
79
Embodied Water, L/kg 58
200

Common Calculations

PREN (Pitting Resistance) 5.6
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
30
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 11
3.3
Thermal Shock Resistance, points 14
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.1
Chromium (Cr), % 2.0 to 2.5
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 95.2 to 96.8
39.5 to 50.3
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0
30 to 34
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.75 to 1.5