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N08535 Stainless Steel vs. ASTM A387 Grade 21L Class 1

Both N08535 stainless steel and ASTM A387 grade 21L class 1 are iron alloys. They have 42% 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 N08535 stainless steel and the bottom bar is ASTM A387 grade 21L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
21
Fatigue Strength, MPa 220
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Shear Strength, MPa 400
310
Tensile Strength: Ultimate (UTS), MPa 570
500
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
480
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
4.1
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.3
1.8
Embodied Energy, MJ/kg 87
23
Embodied Water, L/kg 230
62

Common Calculations

PREN (Pitting Resistance) 36
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
84
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
18
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 13
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 24 to 27
2.8 to 3.3
Copper (Cu), % 0 to 1.5
0
Iron (Fe), % 29.4 to 44.5
94.4 to 96.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 4.0
0.9 to 1.1
Nickel (Ni), % 29 to 36.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025