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ASTM A182 Grade F6b vs. ASTM A182 Grade F12 Class 1

Both ASTM A182 grade F6b and ASTM A182 grade F12 class 1 are iron alloys. Both are furnished in the annealed condition. They have 86% of their average alloy composition in common. There are 33 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 ASTM A182 grade F6b and the bottom bar is ASTM A182 grade F12 class 1.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
23
Fatigue Strength, MPa 440
180
Poisson's Ratio 0.28
0.29
Reduction in Area, % 51
50
Shear Modulus, GPa 76
73
Shear Strength, MPa 530
300
Tensile Strength: Ultimate (UTS), MPa 850
470
Tensile Strength: Yield (Proof), MPa 710
250

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 750
430
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
45
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.6
Embodied Energy, MJ/kg 30
21
Embodied Water, L/kg 100
52

Common Calculations

PREN (Pitting Resistance) 14
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
91
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
17
Strength to Weight: Bending, points 26
17
Thermal Diffusivity, mm2/s 6.7
12
Thermal Shock Resistance, points 31
14

Alloy Composition

Carbon (C), % 0 to 0.15
0.050 to 0.15
Chromium (Cr), % 11.5 to 13.5
0.8 to 1.3
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 81.2 to 87.1
96.8 to 98.4
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0.4 to 0.6
0.44 to 0.65
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.045