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ASTM A387 Grade 22 Steel vs. EN 1.4557 Stainless Steel

Both ASTM A387 grade 22 steel and EN 1.4557 stainless steel are iron alloys. They have 57% 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 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
40
Fatigue Strength, MPa 160 to 240
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Tensile Strength: Ultimate (UTS), MPa 480 to 600
560
Tensile Strength: Yield (Proof), MPa 230 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 460
1090
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
29
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 23
76
Embodied Water, L/kg 58
190

Common Calculations

PREN (Pitting Resistance) 5.6
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 85 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 21
19
Strength to Weight: Bending, points 17 to 20
19
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 14 to 17
12

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 2.0 to 2.5
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 95.1 to 96.8
49.5 to 56.3
Manganese (Mn), % 0.3 to 0.6
0 to 1.2
Molybdenum (Mo), % 0.9 to 1.1
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010