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ASTM A387 Grade 22L Class 1 vs. EN 1.4762 Stainless Steel

Both ASTM A387 grade 22L class 1 and EN 1.4762 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 75% 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 ASTM A387 grade 22L class 1 and the bottom bar is EN 1.4762 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
13
Fatigue Strength, MPa 160
180
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
78
Shear Strength, MPa 310
370
Tensile Strength: Ultimate (UTS), MPa 500
620
Tensile Strength: Yield (Proof), MPa 230
310

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1150
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.5
Embodied Energy, MJ/kg 23
37
Embodied Water, L/kg 58
170

Common Calculations

PREN (Pitting Resistance) 5.6
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
67
Resilience: Unit (Modulus of Resilience), kJ/m3 140
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 14
22

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.7
Carbon (C), % 0 to 0.1
0 to 0.12
Chromium (Cr), % 2.0 to 2.5
23 to 26
Iron (Fe), % 95.2 to 96.8
69.7 to 75.1
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0.7 to 1.4
Sulfur (S), % 0 to 0.025
0 to 0.015