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ASTM A387 Grade 22L Class 1 vs. EN 1.4361 Stainless Steel

Both ASTM A387 grade 22L class 1 and EN 1.4361 stainless steel are iron alloys. They have 65% 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 1.4361 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
43
Fatigue Strength, MPa 160
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 310
440
Tensile Strength: Ultimate (UTS), MPa 500
630
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 260
350
Maximum Temperature: Mechanical, °C 460
940
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1430
1330
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
19
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.7
3.6
Embodied Energy, MJ/kg 23
52
Embodied Water, L/kg 58
150

Common Calculations

PREN (Pitting Resistance) 5.6
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.015
Chromium (Cr), % 2.0 to 2.5
16.5 to 18.5
Iron (Fe), % 95.2 to 96.8
58.7 to 65.8
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.2
Nickel (Ni), % 0
14 to 16
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.5
3.7 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.010