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AISI 310H Stainless Steel vs. SAE-AISI A4 Steel

Both AISI 310H stainless steel and SAE-AISI A4 steel are iron alloys. They have 56% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 310H stainless steel and the bottom bar is SAE-AISI A4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 580
710 to 2050

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 25
3.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.8
Embodied Energy, MJ/kg 61
24
Embodied Water, L/kg 190
59

Common Calculations

PREN (Pitting Resistance) 25
5.3
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
25 to 73
Strength to Weight: Bending, points 20
23 to 46
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 13
23 to 67

Alloy Composition

Carbon (C), % 0.040 to 0.1
1.0 to 1.1
Chromium (Cr), % 24 to 26
0.9 to 2.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 49.1 to 57
92 to 95.5
Manganese (Mn), % 0 to 2.0
1.8 to 2.2
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 19 to 22
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030