MakeItFrom.com
Menu (ESC)

S21904 Stainless Steel vs. ASTM A369 Grade FP12

Both S21904 stainless steel and ASTM A369 grade FP12 are iron alloys. They have 65% 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 S21904 stainless steel and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17 to 51
20
Fatigue Strength, MPa 380 to 550
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 510 to 620
300
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
470
Tensile Strength: Yield (Proof), MPa 390 to 910
250

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
430
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1350
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
21
Embodied Water, L/kg 160
52

Common Calculations

PREN (Pitting Resistance) 25
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
81
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 36
17
Strength to Weight: Bending, points 23 to 29
17
Thermal Diffusivity, mm2/s 3.8
12
Thermal Shock Resistance, points 15 to 21
14

Alloy Composition

Carbon (C), % 0 to 0.040
0.050 to 0.15
Chromium (Cr), % 19 to 21.5
0.8 to 1.3
Iron (Fe), % 59.5 to 67.4
96.8 to 98.4
Manganese (Mn), % 8.0 to 10
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
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 0.030
0 to 0.025