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ASTM A387 Grade 22L Class 1 vs. EN 1.4404 Stainless Steel

Both ASTM A387 grade 22L class 1 and EN 1.4404 stainless steel 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 (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22L class 1 and the bottom bar is EN 1.4404 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
14 to 43
Fatigue Strength, MPa 160
220 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Shear Strength, MPa 310
420 to 550
Tensile Strength: Ultimate (UTS), MPa 500
600 to 900
Tensile Strength: Yield (Proof), MPa 230
240 to 570

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 460
950
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.8
Embodied Energy, MJ/kg 23
52
Embodied Water, L/kg 58
150

Common Calculations

PREN (Pitting Resistance) 5.6
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
21 to 32
Strength to Weight: Bending, points 18
20 to 26
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 14
13 to 20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 2.0 to 2.5
16.5 to 18.5
Iron (Fe), % 95.2 to 96.8
62.8 to 71.5
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
2.0 to 2.5
Nickel (Ni), % 0
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015