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ASTM A387 Grade 22 Steel vs. EN 1.4422 Stainless Steel

Both ASTM A387 grade 22 steel and EN 1.4422 stainless steel are iron alloys. They have 84% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 22 steel and the bottom bar is EN 1.4422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
17
Fatigue Strength, MPa 160 to 240
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 300 to 380
520
Tensile Strength: Ultimate (UTS), MPa 480 to 600
850
Tensile Strength: Yield (Proof), MPa 230 to 350
630

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 460
760
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
16
Thermal Expansion, µm/m-K 13
10

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
11
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
2.7
Embodied Energy, MJ/kg 23
37
Embodied Water, L/kg 58
110

Common Calculations

PREN (Pitting Resistance) 5.6
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 21
30
Strength to Weight: Bending, points 17 to 20
25
Thermal Diffusivity, mm2/s 11
4.3
Thermal Shock Resistance, points 14 to 17
31

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 2.0 to 2.5
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 95.1 to 96.8
76.8 to 83.5
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.9 to 1.1
1.3 to 1.8
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.0030