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AISI 309HCb Stainless Steel vs. SAE-AISI 1095 Steel

Both AISI 309HCb stainless steel and SAE-AISI 1095 steel are iron alloys. They have 62% 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 309HCb stainless steel and the bottom bar is SAE-AISI 1095 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
10 to 11
Fatigue Strength, MPa 210
310 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 410
400 to 540
Tensile Strength: Ultimate (UTS), MPa 590
680 to 900
Tensile Strength: Yield (Proof), MPa 230
500 to 590

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1090
400
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.4
Embodied Energy, MJ/kg 59
19
Embodied Water, L/kg 170
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
63 to 84
Resilience: Unit (Modulus of Resilience), kJ/m3 130
660 to 930
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
24 to 32
Strength to Weight: Bending, points 20
22 to 26
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13
22 to 29

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.9 to 1.0
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 56 to 66
98.4 to 98.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Nickel (Ni), % 12 to 16
0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050