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ASTM Grade HG10 MNN Steel vs. S39274 Stainless Steel

Both ASTM grade HG10 MNN steel and S39274 stainless steel are iron alloys. They have 90% 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 ASTM grade HG10 MNN steel and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
17
Fatigue Strength, MPa 170
380
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 590
900
Tensile Strength: Yield (Proof), MPa 250
620

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 500
450
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
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
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 21
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.0
4.3
Embodied Energy, MJ/kg 58
60
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 25
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 3.9
4.2
Thermal Shock Resistance, points 13
25

Alloy Composition

Carbon (C), % 0.070 to 0.11
0 to 0.030
Chromium (Cr), % 18.5 to 20.5
24 to 26
Copper (Cu), % 0 to 0.5
0.2 to 0.8
Iron (Fe), % 57.9 to 66.5
57 to 65.6
Manganese (Mn), % 3.0 to 5.0
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.45
2.5 to 3.5
Nickel (Ni), % 11.5 to 13.5
6.0 to 8.0
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0.2 to 0.3
0.24 to 0.32
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5