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ASTM A182 Grade F12 Class 2 vs. EN 1.4490 Stainless Steel

Both ASTM A182 grade F12 class 2 and EN 1.4490 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A182 grade F12 class 2 and the bottom bar is EN 1.4490 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 220
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 540
560
Tensile Strength: Yield (Proof), MPa 310
260

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
990
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
3.7
Embodied Energy, MJ/kg 21
52
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.8
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
160
Resilience: Unit (Modulus of Resilience), kJ/m3 260
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 0.8 to 1.3
18 to 20
Iron (Fe), % 96.4 to 98.3
61.7 to 70.9
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
2.0 to 2.5
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.1 to 0.6
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030