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EN 1.4986 Stainless Steel vs. ASTM Grade HG10 MNN Steel

Both EN 1.4986 stainless steel and ASTM grade HG10 MNN steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4986 stainless steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 18
23
Fatigue Strength, MPa 350
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 750
590
Tensile Strength: Yield (Proof), MPa 560
250

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 520
500
Maximum Temperature: Mechanical, °C 940
990
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
4.0
Embodied Energy, MJ/kg 67
58
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 22
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 790
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 4.0
3.9
Thermal Shock Resistance, points 16
13

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0.070 to 0.11
Chromium (Cr), % 15.5 to 17.5
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 59.4 to 66.6
57.9 to 66.5
Manganese (Mn), % 0 to 1.5
3.0 to 5.0
Molybdenum (Mo), % 1.6 to 2.0
0.25 to 0.45
Nickel (Ni), % 15.5 to 17.5
11.5 to 13.5
Niobium (Nb), % 0.4 to 1.2
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), % 0.3 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.030