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AISI 310 Stainless Steel vs. ASTM A232 Spring Steel

Both AISI 310 stainless steel and ASTM A232 spring steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 220
540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34 to 45
14
Fatigue Strength, MPa 240 to 280
1040
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 470
1090
Tensile Strength: Ultimate (UTS), MPa 600 to 710
1790
Tensile Strength: Yield (Proof), MPa 260 to 350
1610

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1040
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
2.0
Embodied Energy, MJ/kg 61
28
Embodied Water, L/kg 190
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200 to 220
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 25
64
Strength to Weight: Bending, points 20 to 22
42
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 14 to 17
53

Alloy Composition

Carbon (C), % 0 to 0.25
0.48 to 0.53
Chromium (Cr), % 24 to 26
0.8 to 1.1
Iron (Fe), % 48.2 to 57
96.8 to 97.7
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3