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EN 1.4821 Stainless Steel vs. ASTM A387 Grade 22L Class 1

Both EN 1.4821 stainless steel and ASTM A387 grade 22L class 1 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 (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4821 stainless steel and the bottom bar is ASTM A387 grade 22L class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
20
Fatigue Strength, MPa 280
160
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 450
310
Tensile Strength: Ultimate (UTS), MPa 730
500
Tensile Strength: Yield (Proof), MPa 450
230

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
460
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 41
23
Embodied Water, L/kg 160
58

Common Calculations

PREN (Pitting Resistance) 26
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83
Resilience: Unit (Modulus of Resilience), kJ/m3 500
140
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.1
Chromium (Cr), % 24.5 to 26.5
2.0 to 2.5
Iron (Fe), % 64.2 to 71.1
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), % 3.5 to 5.5
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.8 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025