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EN 1.7706 Steel vs. ASTM Grade HG10 MNN Steel

Both EN 1.7706 steel and ASTM grade HG10 MNN steel are iron alloys. They have 65% 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 1.7706 steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
23
Fatigue Strength, MPa 330
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 690
590
Tensile Strength: Yield (Proof), MPa 500
250

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 440
990
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.3
4.0
Embodied Energy, MJ/kg 32
58
Embodied Water, L/kg 57
160

Common Calculations

PREN (Pitting Resistance) 4.7
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 670
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
3.9
Thermal Shock Resistance, points 20
13

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.070 to 0.11
Chromium (Cr), % 1.2 to 1.5
18.5 to 20.5
Copper (Cu), % 0 to 0.3
0 to 0.5
Iron (Fe), % 94.7 to 97.1
57.9 to 66.5
Manganese (Mn), % 0.5 to 0.9
3.0 to 5.0
Molybdenum (Mo), % 0.9 to 1.1
0.25 to 0.45
Nickel (Ni), % 0 to 0.4
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.2 to 0.3
0