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EN 1.4594 Stainless Steel vs. ASTM A369 Grade FP22

Both EN 1.4594 stainless steel and ASTM A369 grade FP22 are iron alloys. They have 80% 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 EN 1.4594 stainless steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
20
Fatigue Strength, MPa 490 to 620
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 620 to 700
300
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
470
Tensile Strength: Yield (Proof), MPa 810 to 1140
240

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 820
460
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.7
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 130
58

Common Calculations

PREN (Pitting Resistance) 19
5.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
80
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
17
Strength to Weight: Bending, points 29 to 31
17
Thermal Diffusivity, mm2/s 4.4
11
Thermal Shock Resistance, points 34 to 39
14

Alloy Composition

Carbon (C), % 0 to 0.070
0.050 to 0.15
Chromium (Cr), % 13 to 15
1.9 to 2.6
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 72.6 to 79.5
95 to 96.9
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 1.2 to 2.0
0.87 to 1.1
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025