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ASTM A369 Grade FP22 vs. EN 1.6570 Steel

Both ASTM A369 grade FP22 and EN 1.6570 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP22 and the bottom bar is EN 1.6570 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
270 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
11 to 17
Fatigue Strength, MPa 160
500 to 660
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 470
910 to 1130
Tensile Strength: Yield (Proof), MPa 240
760 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
440
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
1.7
Embodied Energy, MJ/kg 23
23
Embodied Water, L/kg 58
56

Common Calculations

PREN (Pitting Resistance) 5.5
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
120 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1520 to 3010
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
32 to 40
Strength to Weight: Bending, points 17
27 to 31
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 14
27 to 33

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.28 to 0.35
Chromium (Cr), % 1.9 to 2.6
1.0 to 1.4
Iron (Fe), % 95 to 96.9
94 to 96.2
Manganese (Mn), % 0.3 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0.87 to 1.1
0.3 to 0.5
Nickel (Ni), % 0
1.6 to 2.1
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.015