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ASTM A182 Grade F12 Class 2 vs. EN 1.4658 Stainless Steel

Both ASTM A182 grade F12 class 2 and EN 1.4658 stainless steel are iron alloys. They have 60% 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
28
Fatigue Strength, MPa 220
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 340
580
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 310
730

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
4.5
Embodied Energy, MJ/kg 21
61
Embodied Water, L/kg 52
200

Common Calculations

PREN (Pitting Resistance) 2.8
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 260
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 19
26
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 16
24

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 0.8 to 1.3
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.4 to 98.3
50.9 to 63.7
Manganese (Mn), % 0.3 to 0.8
0 to 1.5
Molybdenum (Mo), % 0.44 to 0.65
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.1 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010