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S21603 Stainless Steel vs. ASTM A369 Grade FP1

Both S21603 stainless steel and ASTM A369 grade FP1 are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is ASTM A369 grade FP1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
20
Fatigue Strength, MPa 360
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 490
270
Tensile Strength: Ultimate (UTS), MPa 690
430
Tensile Strength: Yield (Proof), MPa 390
240

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 990
410
Melting Completion (Liquidus), °C 1420
1470
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.4
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 50
20
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
75
Resilience: Unit (Modulus of Resilience), kJ/m3 380
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15
Strength to Weight: Bending, points 22
16
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 17.5 to 22
0
Iron (Fe), % 57.6 to 67.8
97.8 to 99.06
Manganese (Mn), % 7.5 to 9.0
0.3 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.44 to 0.65
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025