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ASTM A232 Spring Steel vs. EN 1.4606 Stainless Steel

Both ASTM A232 spring steel and EN 1.4606 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 29 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 ASTM A232 spring steel and the bottom bar is EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
23 to 39
Fatigue Strength, MPa 1040
240 to 420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
75
Shear Strength, MPa 1090
410 to 640
Tensile Strength: Ultimate (UTS), MPa 1790
600 to 1020
Tensile Strength: Yield (Proof), MPa 1610
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
910
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
26
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
6.0
Embodied Energy, MJ/kg 28
87
Embodied Water, L/kg 51
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
190 to 200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 64
21 to 36
Strength to Weight: Bending, points 42
20 to 28
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 53
21 to 35

Alloy Composition

Aluminum (Al), % 0
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0.48 to 0.53
0 to 0.080
Chromium (Cr), % 0.8 to 1.1
13 to 16
Iron (Fe), % 96.8 to 97.7
49.2 to 59
Manganese (Mn), % 0.7 to 0.9
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015
Titanium (Ti), % 0
1.9 to 2.3
Vanadium (V), % 0.15 to 0.3
0.1 to 0.5