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EN 1.4303 Stainless Steel vs. ASTM A369 Grade FP22

Both EN 1.4303 stainless steel and ASTM A369 grade FP22 are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 1.4303 stainless steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 49
20
Fatigue Strength, MPa 220 to 320
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 420 to 540
300
Tensile Strength: Ultimate (UTS), MPa 590 to 900
470
Tensile Strength: Yield (Proof), MPa 230 to 560
240

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 940
460
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.7
Embodied Energy, MJ/kg 46
23
Embodied Water, L/kg 150
58

Common Calculations

PREN (Pitting Resistance) 19
5.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
80
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
17
Strength to Weight: Bending, points 20 to 26
17
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 17 to 19
1.9 to 2.6
Iron (Fe), % 64.8 to 72
95 to 96.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.87 to 1.1
Nickel (Ni), % 11 to 13
0
Nitrogen (N), % 0 to 0.1
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