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ASTM A387 Grade 2 Steel vs. AISI 310HCb Stainless Steel

Both ASTM A387 grade 2 steel and AISI 310HCb stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 32 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 A387 grade 2 steel and the bottom bar is AISI 310HCb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
46
Fatigue Strength, MPa 190 to 250
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 300 to 350
410
Tensile Strength: Ultimate (UTS), MPa 470 to 550
590
Tensile Strength: Yield (Proof), MPa 260 to 350
230

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.8
Embodied Energy, MJ/kg 20
69
Embodied Water, L/kg 50
190

Common Calculations

PREN (Pitting Resistance) 2.4
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 20
21
Strength to Weight: Bending, points 17 to 19
20
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Carbon (C), % 0.050 to 0.21
0.040 to 0.1
Chromium (Cr), % 0.5 to 0.8
24 to 26
Iron (Fe), % 97.1 to 98.3
48 to 57
Manganese (Mn), % 0.55 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
19 to 22
Niobium (Nb), % 0
0 to 1.1
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030