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ASTM Grade HG10 MNN Steel vs. S38815 Stainless Steel

Both ASTM grade HG10 MNN steel and S38815 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, 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 S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
34
Fatigue Strength, MPa 170
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 590
610
Tensile Strength: Yield (Proof), MPa 250
290

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Maximum Temperature: Corrosion, °C 500
400
Maximum Temperature: Mechanical, °C 990
860
Melting Completion (Liquidus), °C 1420
1360
Melting Onset (Solidus), °C 1370
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 4.0
3.8
Embodied Energy, MJ/kg 58
54
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 25
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 160
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
21
Thermal Shock Resistance, points 13
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.070 to 0.11
0 to 0.030
Chromium (Cr), % 18.5 to 20.5
13 to 15
Copper (Cu), % 0 to 0.5
0.75 to 1.5
Iron (Fe), % 57.9 to 66.5
56.1 to 67
Manganese (Mn), % 3.0 to 5.0
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.45
0.75 to 1.5
Nickel (Ni), % 11.5 to 13.5
13 to 17
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
5.5 to 6.5
Sulfur (S), % 0 to 0.030
0 to 0.020