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AISI 310 Stainless Steel vs. ASTM A372 Grade K Steel

Both AISI 310 stainless steel and ASTM A372 grade K steel are iron alloys. They have 57% 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 AISI 310 stainless steel and the bottom bar is ASTM A372 grade K steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
23
Fatigue Strength, MPa 240 to 280
440
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 470
490
Tensile Strength: Ultimate (UTS), MPa 600 to 710
780
Tensile Strength: Yield (Proof), MPa 260 to 350
620

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1040
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
48
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 25
4.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.8
Embodied Energy, MJ/kg 61
24
Embodied Water, L/kg 190
57

Common Calculations

PREN (Pitting Resistance) 25
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
160
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 310
1010
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
27
Strength to Weight: Bending, points 20 to 22
24
Thermal Diffusivity, mm2/s 3.9
13
Thermal Shock Resistance, points 14 to 17
23

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.18
Chromium (Cr), % 24 to 26
1.0 to 1.8
Iron (Fe), % 48.2 to 57
93.4 to 96.6
Manganese (Mn), % 0 to 2.0
0.1 to 0.4
Molybdenum (Mo), % 0
0.2 to 0.6
Nickel (Ni), % 19 to 22
2.0 to 3.3
Phosphorus (P), % 0 to 0.045
0 to 0.015
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010