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SAE-AISI 1035 Steel vs. ASTM A232 Spring Steel

Both SAE-AISI 1035 steel and ASTM A232 spring steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1035 steel and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 180
540
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 21
14
Fatigue Strength, MPa 210 to 340
1040
Poisson's Ratio 0.29
0.29
Reduction in Area, % 40 to 45
46
Shear Modulus, GPa 73
73
Shear Strength, MPa 360 to 370
1090
Tensile Strength: Ultimate (UTS), MPa 570 to 620
1790
Tensile Strength: Yield (Proof), MPa 300 to 530
1610

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 99
250
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20 to 22
64
Strength to Weight: Bending, points 19 to 21
42
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 18 to 20
53

Alloy Composition

Carbon (C), % 0.32 to 0.38
0.48 to 0.53
Chromium (Cr), % 0
0.8 to 1.1
Iron (Fe), % 98.6 to 99.08
96.8 to 97.7
Manganese (Mn), % 0.6 to 0.9
0.7 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3