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AISI 347LN Stainless Steel vs. ASTM A372 Grade L Steel

Both AISI 347LN stainless steel and ASTM A372 grade L steel are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is AISI 347LN stainless steel and the bottom bar is ASTM A372 grade L steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
350
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
14
Fatigue Strength, MPa 200
670
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 400
700
Tensile Strength: Ultimate (UTS), MPa 590
1160
Tensile Strength: Yield (Proof), MPa 230
1040

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
430
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 18
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.5
1.7
Embodied Energy, MJ/kg 49
22
Embodied Water, L/kg 150
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150
Resilience: Unit (Modulus of Resilience), kJ/m3 130
2890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
41
Strength to Weight: Bending, points 20
31
Thermal Diffusivity, mm2/s 4.1
12
Thermal Shock Resistance, points 13
34

Alloy Composition

Carbon (C), % 0.0050 to 0.020
0.38 to 0.43
Chromium (Cr), % 17 to 19
0.7 to 0.9
Iron (Fe), % 64.3 to 73.7
95.2 to 96.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 9.0 to 13
1.7 to 2.0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0.060 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010