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AISI 301LN Stainless Steel vs. ASTM A387 Grade 2 Steel

Both AISI 301LN stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 76% 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 301LN stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23 to 51
25
Fatigue Strength, MPa 270 to 520
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450 to 670
300 to 350
Tensile Strength: Ultimate (UTS), MPa 630 to 1060
470 to 550
Tensile Strength: Yield (Proof), MPa 270 to 770
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
420
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.6
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
50

Common Calculations

PREN (Pitting Resistance) 19
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 290
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1520
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 38
16 to 20
Strength to Weight: Bending, points 21 to 30
17 to 19
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 14 to 24
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.21
Chromium (Cr), % 16 to 18
0.5 to 0.8
Iron (Fe), % 70.7 to 77.9
97.1 to 98.3
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.070 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants