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Annealed AISI 204 vs. EN 1.4110 +A Steel

Both annealed AISI 204 and EN 1.4110 +A steel are iron alloys. Both are furnished in the annealed condition. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is annealed AISI 204 and the bottom bar is EN 1.4110 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
14
Fatigue Strength, MPa 320
250
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
86
Shear Modulus, GPa 77
76
Shear Strength, MPa 500
470
Tensile Strength: Ultimate (UTS), MPa 730
770
Tensile Strength: Yield (Proof), MPa 380
430

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 850
790
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.3
Embodied Energy, MJ/kg 35
33
Embodied Water, L/kg 130
110

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
90
Resilience: Unit (Modulus of Resilience), kJ/m3 360
480
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 4.1
8.1
Thermal Shock Resistance, points 16
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.48 to 0.6
Chromium (Cr), % 15 to 17
13 to 15
Iron (Fe), % 69.6 to 76.4
81.4 to 86
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 1.5 to 3.0
0
Nitrogen (N), % 0.15 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0 to 0.15