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EN 1.4490 Stainless Steel vs. ASTM Grade HG10 MNN Steel

Both EN 1.4490 stainless steel and ASTM grade HG10 MNN steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 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 1.4490 stainless steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
23
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 560
590
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
500
Maximum Temperature: Mechanical, °C 990
990
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
21
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.7
4.0
Embodied Energy, MJ/kg 52
58
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 29
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.1
3.9
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.070 to 0.11
Chromium (Cr), % 18 to 20
18.5 to 20.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 61.7 to 70.9
57.9 to 66.5
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Molybdenum (Mo), % 2.0 to 2.5
0.25 to 0.45
Nickel (Ni), % 9.0 to 12
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.12 to 0.2
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.030