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AISI 304LN Stainless Steel vs. ASTM A387 Grade 22L Class 1

Both AISI 304LN stainless steel and ASTM A387 grade 22L class 1 are iron alloys. They have 72% of their average alloy composition in common. There are 32 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 304LN stainless steel and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 350
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 7.8 to 46
20
Fatigue Strength, MPa 200 to 440
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 400 to 680
310
Tensile Strength: Ultimate (UTS), MPa 580 to 1160
500
Tensile Strength: Yield (Proof), MPa 230 to 870
230

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 960
460
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.7
Embodied Energy, MJ/kg 44
23
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 21
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 270
83
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 1900
140
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 41
18
Strength to Weight: Bending, points 20 to 31
18
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 26
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 18 to 20
2.0 to 2.5
Iron (Fe), % 65 to 73.9
95.2 to 96.8
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0.1 to 0.16
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