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AISI 201L Stainless Steel vs. AISI 302 Stainless Steel

Both AISI 201L stainless steel and AISI 302 stainless steel are iron alloys. They have a moderately high 94% 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 AISI 201L stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 320
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 22 to 46
4.5 to 46
Fatigue Strength, MPa 270 to 530
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520 to 660
400 to 830
Tensile Strength: Ultimate (UTS), MPa 740 to 1040
580 to 1430
Tensile Strength: Yield (Proof), MPa 290 to 790
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 880
710
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
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 2.9
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.0
Embodied Energy, MJ/kg 38
42
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 19
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210 to 300
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 220 to 1570
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 37
21 to 51
Strength to Weight: Bending, points 24 to 30
20 to 36
Thermal Diffusivity, mm2/s 4.0
4.4
Thermal Shock Resistance, points 16 to 23
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 67.9 to 75
67.9 to 75
Manganese (Mn), % 5.5 to 7.5
0 to 2.0
Nickel (Ni), % 3.5 to 5.5
8.0 to 10
Nitrogen (N), % 0 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants