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AISI 202 Stainless Steel vs. AISI 305 Stainless Steel

Both AISI 202 stainless steel and AISI 305 stainless steel are iron alloys. They have a moderately high 92% 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 202 stainless steel and the bottom bar is AISI 305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
170 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 45
34 to 45
Fatigue Strength, MPa 290 to 330
210 to 280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 490 to 590
400 to 470
Tensile Strength: Ultimate (UTS), MPa 700 to 980
580 to 710
Tensile Strength: Yield (Proof), MPa 310 to 580
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 910
540
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
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
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 40
45
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
200 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 840
130 to 320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 35
20 to 25
Strength to Weight: Bending, points 23 to 29
20 to 23
Thermal Diffusivity, mm2/s 4.0
4.2
Thermal Shock Resistance, points 15 to 21
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.12
Chromium (Cr), % 17 to 19
17 to 19
Iron (Fe), % 63.5 to 71.5
65.1 to 72.5
Manganese (Mn), % 7.5 to 10
0 to 2.0
Nickel (Ni), % 4.0 to 6.0
10.5 to 13
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030