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ASTM Grade HG10 MNN Steel vs. EN 1.4865 Stainless Steel

Both ASTM grade HG10 MNN steel and EN 1.4865 stainless steel are iron alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% of their average alloy composition in common.

For each property being compared, the top bar is ASTM grade HG10 MNN steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
6.8
Fatigue Strength, MPa 170
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 590
470
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 990
1020
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1370
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 21
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.0
5.8
Embodied Energy, MJ/kg 58
81
Embodied Water, L/kg 160
200

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
27
Resilience: Unit (Modulus of Resilience), kJ/m3 160
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
16
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.9
3.1
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0.070 to 0.11
0.3 to 0.5
Chromium (Cr), % 18.5 to 20.5
18 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 57.9 to 66.5
34.4 to 44.7
Manganese (Mn), % 3.0 to 5.0
0 to 2.0
Molybdenum (Mo), % 0.25 to 0.45
0 to 0.5
Nickel (Ni), % 11.5 to 13.5
36 to 39
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
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030