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S45000 Stainless Steel vs. ASTM A369 Grade FP12

Both S45000 stainless steel and ASTM A369 grade FP12 are iron alloys. They have 78% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S45000 stainless steel and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
20
Fatigue Strength, MPa 330 to 650
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
300
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
470
Tensile Strength: Yield (Proof), MPa 580 to 1310
250

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
430
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 130
52

Common Calculations

PREN (Pitting Resistance) 17
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
81
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
17
Strength to Weight: Bending, points 28 to 36
17
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 33 to 47
14

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 14 to 16
0.8 to 1.3
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
96.8 to 98.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.61
Molybdenum (Mo), % 0.5 to 1.0
0.44 to 0.65
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025