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AISI 309Cb Stainless Steel vs. ASTM Grade HG10 MNN Steel

Both AISI 309Cb stainless steel and ASTM grade HG10 MNN steel are iron alloys. They have a moderately high 95% of their average alloy composition in common. There are 32 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 309Cb stainless steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
23
Fatigue Strength, MPa 200
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 580
590
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 510
500
Maximum Temperature: Mechanical, °C 1090
990
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
4.0
Embodied Energy, MJ/kg 59
58
Embodied Water, L/kg 170
160

Common Calculations

PREN (Pitting Resistance) 23
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.080
0.070 to 0.11
Chromium (Cr), % 22 to 24
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 56 to 66
57.9 to 66.5
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Molybdenum (Mo), % 0
0.25 to 0.45
Nickel (Ni), % 12 to 16
11.5 to 13.5
Niobium (Nb), % 0 to 1.1
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.030