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Cold Rolled EN 1.4424 vs. EN 1.4310 +C800 Steel

Both cold rolled EN 1.4424 and EN 1.4310 +C800 steel are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have a very high 95% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is cold rolled EN 1.4424 and the bottom bar is EN 1.4310 +C800 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
14
Fatigue Strength, MPa 370
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
550
Tensile Strength: Ultimate (UTS), MPa 800
900
Tensile Strength: Yield (Proof), MPa 500
570

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
910
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
14
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
2.9
Embodied Energy, MJ/kg 46
42
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 29
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
110
Resilience: Unit (Modulus of Resilience), kJ/m3 640
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
32
Strength to Weight: Bending, points 25
27
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 23
18

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 18 to 19
16 to 19
Iron (Fe), % 68.6 to 72.4
66.4 to 78
Manganese (Mn), % 1.2 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.0
0 to 0.8
Nickel (Ni), % 4.5 to 5.2
6.0 to 9.5
Nitrogen (N), % 0.050 to 0.1
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 1.4 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015