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S20910 Stainless Steel vs. ASTM A369 Grade FP22

Both S20910 stainless steel and ASTM A369 grade FP22 are iron alloys. They have 61% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is ASTM A369 grade FP22.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
20
Fatigue Strength, MPa 310 to 460
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
74
Shear Strength, MPa 500 to 570
300
Tensile Strength: Ultimate (UTS), MPa 780 to 940
470
Tensile Strength: Yield (Proof), MPa 430 to 810
240

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
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 13
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.7
Embodied Energy, MJ/kg 68
23
Embodied Water, L/kg 180
58

Common Calculations

PREN (Pitting Resistance) 34
5.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
80
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
17
Strength to Weight: Bending, points 24 to 27
17
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 17 to 21
14

Alloy Composition

Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 20.5 to 23.5
1.9 to 2.6
Iron (Fe), % 52.1 to 62.1
95 to 96.9
Manganese (Mn), % 4.0 to 6.0
0.3 to 0.6
Molybdenum (Mo), % 1.5 to 3.0
0.87 to 1.1
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.1 to 0.3
0