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ASTM A182 Grade F12 Class 2 vs. S30815 Stainless Steel

Both ASTM A182 grade F12 class 2 and S30815 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 68% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, 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 S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
45
Fatigue Strength, MPa 220
320
Poisson's Ratio 0.29
0.28
Reduction in Area, % 34
56
Shear Modulus, GPa 73
77
Shear Strength, MPa 340
480
Tensile Strength: Ultimate (UTS), MPa 540
680
Tensile Strength: Yield (Proof), MPa 310
350

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 430
1020
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
3.3
Embodied Energy, MJ/kg 21
47
Embodied Water, L/kg 52
160

Common Calculations

PREN (Pitting Resistance) 2.8
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
260
Resilience: Unit (Modulus of Resilience), kJ/m3 260
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0.1 to 0.2
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0.8 to 1.3
20 to 22
Iron (Fe), % 96.4 to 98.3
62.8 to 68.4
Manganese (Mn), % 0.3 to 0.8
0 to 0.8
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.1 to 0.6
1.4 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030