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AISI 201LN Stainless Steel vs. ASTM A387 Grade 11 Steel

Both AISI 201LN stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 73% 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 AISI 201LN stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
25
Fatigue Strength, MPa 340 to 540
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 680
320 to 390
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
500 to 600
Tensile Strength: Yield (Proof), MPa 350 to 770
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 880
430
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 38
21
Embodied Water, L/kg 140
53

Common Calculations

PREN (Pitting Resistance) 20
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230 to 310
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
200 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
18 to 21
Strength to Weight: Bending, points 24 to 30
18 to 20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16 to 23
15 to 18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.17
Chromium (Cr), % 16 to 17.5
1.0 to 1.5
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 67.9 to 73.5
96.2 to 97.6
Manganese (Mn), % 6.4 to 7.5
0.4 to 0.65
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 4.0 to 5.0
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.5 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants