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Cold Drawn AISI 303 vs. EN 1.1122 +U+C Steel

Both cold drawn AISI 303 and EN 1.1122 +U+C steel are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have 72% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is cold drawn AISI 303 and the bottom bar is EN 1.1122 +U+C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
21
Fatigue Strength, MPa 360
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 470
290
Tensile Strength: Ultimate (UTS), MPa 690
460
Tensile Strength: Yield (Proof), MPa 420
370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.4
Embodied Energy, MJ/kg 42
18
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
89
Resilience: Unit (Modulus of Resilience), kJ/m3 440
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 22
17
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.15
0.080 to 0.12
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 67.3 to 74.9
98.7 to 99.62
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.2
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0.15 to 0.35
0 to 0.025