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EN 1.4371 Stainless Steel vs. ASTM A369 Grade FP22

Both EN 1.4371 stainless steel and ASTM A369 grade FP22 are iron alloys. They have 74% 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 1.4371 stainless steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45 to 51
20
Fatigue Strength, MPa 290 to 340
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 520 to 540
300
Tensile Strength: Ultimate (UTS), MPa 740 to 750
470
Tensile Strength: Yield (Proof), MPa 320 to 340
240

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 880
460
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1370
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 12
3.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.7
Embodied Energy, MJ/kg 38
23
Embodied Water, L/kg 140
58

Common Calculations

PREN (Pitting Resistance) 20
5.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 310
80
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 300
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 16
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 16 to 17.5
1.9 to 2.6
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
95 to 96.9
Manganese (Mn), % 6.0 to 8.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.87 to 1.1
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025