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AISI 317L Stainless Steel vs. AISI 302 Stainless Steel

Both AISI 317L stainless steel and AISI 302 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 317L stainless steel and the bottom bar is AISI 302 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 44
4.5 to 46
Fatigue Strength, MPa 220
210 to 520
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 380
400 to 830
Tensile Strength: Ultimate (UTS), MPa 550
580 to 1430
Tensile Strength: Yield (Proof), MPa 250
230 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1010
710
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 21
15
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
3.0
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 31
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
59 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140 to 3070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21 to 51
Strength to Weight: Bending, points 19
20 to 36
Thermal Diffusivity, mm2/s 3.8
4.4
Thermal Shock Resistance, points 12
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 18 to 20
17 to 19
Iron (Fe), % 58 to 68
67.9 to 75
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 11 to 15
8.0 to 10
Nitrogen (N), % 0 to 0.1
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