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Cold Drawn AISI 303 vs. Cold Finished AISI 304L

Both cold drawn AISI 303 and cold finished AISI 304L are iron alloys. Both are furnished in the cold worked (strain hardened) condition. They have a very high 98% of their average alloy composition in common. There are 34 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 drawn AISI 303 and the bottom bar is cold finished AISI 304L.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
40
Fatigue Strength, MPa 360
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 470
480
Tensile Strength: Ultimate (UTS), MPa 690
710
Tensile Strength: Yield (Proof), MPa 420
350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 930
540
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Calomel Potential, mV -80
-80
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.1
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
240
Resilience: Unit (Modulus of Resilience), kJ/m3 440
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 4.4
4.2
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
18 to 20
Iron (Fe), % 67.3 to 74.9
65 to 74
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 10
8.0 to 12
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.2
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0.15 to 0.35
0 to 0.030