MakeItFrom.com
Menu (ESC)

Cold Rolled EN 1.4424 vs. Cold Rolled EN 1.4618

Both cold rolled EN 1.4424 and cold rolled EN 1.4618 are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have a moderately high 92% of their average alloy composition in common.

For each property being compared, the top bar is cold rolled EN 1.4424 and the bottom bar is cold rolled EN 1.4618.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
51
Fatigue Strength, MPa 370
250
Impact Strength: V-Notched Charpy, J 91
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
500
Tensile Strength: Ultimate (UTS), MPa 800
700
Tensile Strength: Yield (Proof), MPa 500
260

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 960
900
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
15
Thermal Expansion, µm/m-K 12
16

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
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.7
Embodied Energy, MJ/kg 46
39
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 29
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
280
Resilience: Unit (Modulus of Resilience), kJ/m3 640
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 3.5
4.0
Thermal Shock Resistance, points 23
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 19
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 68.6 to 72.4
62.7 to 72.5
Manganese (Mn), % 1.2 to 2.0
5.5 to 9.5
Molybdenum (Mo), % 2.5 to 3.0
0
Nickel (Ni), % 4.5 to 5.2
4.5 to 5.5
Nitrogen (N), % 0.050 to 0.1
0 to 0.15
Phosphorus (P), % 0 to 0.035
0 to 0.070
Silicon (Si), % 1.4 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010