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ASTM Grade HG10 MNN Steel vs. S82012 Stainless Steel

Both ASTM grade HG10 MNN steel and S82012 stainless steel are iron alloys. They have 87% 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 ASTM grade HG10 MNN steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
40
Fatigue Strength, MPa 170
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 590
800
Tensile Strength: Yield (Proof), MPa 250
560

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 500
420
Maximum Temperature: Mechanical, °C 990
950
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 16
13

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 21
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.4
Embodied Energy, MJ/kg 58
35
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 25
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
290
Resilience: Unit (Modulus of Resilience), kJ/m3 160
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 3.9
3.9
Thermal Shock Resistance, points 13
23

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.050
Chromium (Cr), % 18.5 to 20.5
19 to 20.5
Copper (Cu), % 0 to 0.5
0 to 1.0
Iron (Fe), % 57.9 to 66.5
71.3 to 77.9
Manganese (Mn), % 3.0 to 5.0
2.0 to 4.0
Molybdenum (Mo), % 0.25 to 0.45
0.1 to 0.6
Nickel (Ni), % 11.5 to 13.5
0.8 to 1.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0.16 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050