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S21800 Stainless Steel vs. ASTM A182 Grade F1

Both S21800 stainless steel and ASTM A182 grade F1 are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21800 stainless steel and the bottom bar is ASTM A182 grade F1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
22
Fatigue Strength, MPa 330
220
Poisson's Ratio 0.28
0.29
Reduction in Area, % 62
34
Shear Modulus, GPa 75
73
Shear Strength, MPa 510
340
Tensile Strength: Ultimate (UTS), MPa 740
540
Tensile Strength: Yield (Proof), MPa 390
310

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
410
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.4
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
100
Resilience: Unit (Modulus of Resilience), kJ/m3 390
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
19
Thermal Shock Resistance, points 17
16

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.28
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 59.1 to 65.4
97.7 to 98.8
Manganese (Mn), % 7.0 to 9.0
0.6 to 0.9
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.045
Silicon (Si), % 3.5 to 4.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.045