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ASTM A387 Grade 22L Class 1 vs. EN 1.6982 Stainless Steel

Both ASTM A387 grade 22L class 1 and EN 1.6982 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17
Fatigue Strength, MPa 160
350
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 500
800
Tensile Strength: Yield (Proof), MPa 230
570

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Maximum Temperature: Mechanical, °C 460
770
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
2.4
Embodied Energy, MJ/kg 23
33
Embodied Water, L/kg 58
110

Common Calculations

PREN (Pitting Resistance) 5.6
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
820
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
28
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 11
6.6
Thermal Shock Resistance, points 14
29

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.050
Chromium (Cr), % 2.0 to 2.5
12 to 13.5
Iron (Fe), % 95.2 to 96.8
78.7 to 84.5
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.1
0 to 0.7
Nickel (Ni), % 0
3.5 to 5.0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015