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ACI-ASTM CK35MN Steel vs. ASTM Grade HG10 MNN Steel

Both ACI-ASTM CK35MN steel and ASTM grade HG10 MNN steel are iron alloys. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is ASTM grade HG10 MNN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
23
Fatigue Strength, MPa 270
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 310
250

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 440
500
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 31
21
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
4.0
Embodied Energy, MJ/kg 81
58
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 48
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.3
3.9
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.035
0.070 to 0.11
Chromium (Cr), % 22 to 24
18.5 to 20.5
Copper (Cu), % 0 to 0.4
0 to 0.5
Iron (Fe), % 43.4 to 51.8
57.9 to 66.5
Manganese (Mn), % 0 to 2.0
3.0 to 5.0
Molybdenum (Mo), % 6.0 to 6.8
0.25 to 0.45
Nickel (Ni), % 20 to 22
11.5 to 13.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0.21 to 0.32
0.2 to 0.3
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.030