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ASTM A387 Grade 12 Steel vs. AISI 310MoLN Stainless Steel

Both ASTM A387 grade 12 steel and AISI 310MoLN stainless steel are iron alloys. They have 52% 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 ASTM A387 grade 12 steel and the bottom bar is AISI 310MoLN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 160
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
28
Fatigue Strength, MPa 190 to 230
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 300 to 330
400
Tensile Strength: Ultimate (UTS), MPa 470 to 520
610
Tensile Strength: Yield (Proof), MPa 260 to 310
290

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
5.0
Embodied Energy, MJ/kg 21
70
Embodied Water, L/kg 51
200

Common Calculations

PREN (Pitting Resistance) 2.7
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 250
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
21
Strength to Weight: Bending, points 17 to 18
20
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 14 to 15
14

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.020
Chromium (Cr), % 0.8 to 1.2
24 to 26
Iron (Fe), % 97 to 98.2
45.2 to 53.8
Manganese (Mn), % 0.4 to 0.65
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
1.6 to 2.6
Nickel (Ni), % 0
20.5 to 23.5
Nitrogen (N), % 0
0.090 to 0.15
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010