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AISI 202 Stainless Steel vs. AISI 301L Stainless Steel

Both AISI 202 stainless steel and AISI 301L stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common.

For each property being compared, the top bar is AISI 202 stainless steel and the bottom bar is AISI 301L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
22 to 50
Fatigue Strength, MPa 290 to 330
240 to 530
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 490 to 590
440 to 660
Tensile Strength: Ultimate (UTS), MPa 700 to 980
620 to 1040
Tensile Strength: Yield (Proof), MPa 310 to 580
250 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
890
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 40
39
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
210 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
160 to 1580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 35
22 to 37
Strength to Weight: Bending, points 23 to 29
21 to 29
Thermal Diffusivity, mm2/s 4.0
4.1
Thermal Shock Resistance, points 15 to 21
14 to 24

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
16 to 18
Iron (Fe), % 63.5 to 71.5
70.7 to 78
Manganese (Mn), % 7.5 to 10
0 to 2.0
Nickel (Ni), % 4.0 to 6.0
6.0 to 8.0
Nitrogen (N), % 0 to 0.25
0 to 0.2
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030

Comparable Variants