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AISI 409Cb Stainless Steel vs. ASTM A356 Grade 6

Both AISI 409Cb stainless steel and ASTM A356 grade 6 are iron alloys. They have 89% of their average alloy composition in common. There are 30 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 409Cb stainless steel and the bottom bar is ASTM A356 grade 6.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24
25
Fatigue Strength, MPa 140
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 420
550
Tensile Strength: Yield (Proof), MPa 200
350

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 710
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
41
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 31
21
Embodied Water, L/kg 94
53

Common Calculations

PREN (Pitting Resistance) 11
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
120
Resilience: Unit (Modulus of Resilience), kJ/m3 100
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Diffusivity, mm2/s 6.7
11
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.2
Chromium (Cr), % 10.5 to 11.7
1.0 to 1.5
Iron (Fe), % 84.9 to 89.5
96.2 to 98.1
Manganese (Mn), % 0 to 1.0
0.5 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.65
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.040
0 to 0.030