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AISI 316L Stainless Steel vs. ASTM A387 Grade 22L Class 1

Both AISI 316L stainless steel and ASTM A387 grade 22L class 1 are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 316L stainless steel and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 350
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0 to 50
20
Fatigue Strength, MPa 170 to 450
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 370 to 690
310
Tensile Strength: Ultimate (UTS), MPa 530 to 1160
500
Tensile Strength: Yield (Proof), MPa 190 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 870
460
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 53
23
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 26
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 77 to 230
83
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 1880
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
18
Strength to Weight: Bending, points 18 to 31
18
Thermal Diffusivity, mm2/s 4.1
11
Thermal Shock Resistance, points 12 to 25
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 16 to 18
2.0 to 2.5
Iron (Fe), % 62 to 72
95.2 to 96.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.1
Nickel (Ni), % 10 to 14
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025