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AISI 201LN Stainless Steel vs. ASTM A356 Grade 6

Both AISI 201LN stainless steel and ASTM A356 grade 6 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 (3, 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 A356 grade 6.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 320
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25 to 51
25
Fatigue Strength, MPa 340 to 540
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 740 to 1060
550
Tensile Strength: Yield (Proof), MPa 350 to 770
350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
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
41
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
8.4

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
120
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 1520
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27 to 38
20
Strength to Weight: Bending, points 24 to 30
19
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16 to 23
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
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 98.1
Manganese (Mn), % 6.4 to 7.5
0.5 to 0.8
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 0.035
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030