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ASTM A229 Spring Steel vs. EN 1.3536 Steel

Both ASTM A229 spring steel and EN 1.3536 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A229 spring steel and the bottom bar is EN 1.3536 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 490 to 550
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 1690 to 1890
660

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 19
21
Embodied Water, L/kg 46
55

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60 to 67
23
Strength to Weight: Bending, points 40 to 43
22
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 54 to 60
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.55 to 0.85
0.93 to 1.1
Chromium (Cr), % 0
1.7 to 2.0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.5 to 99
96 to 97.4
Manganese (Mn), % 0.3 to 1.2
0.6 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.35
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0.15 to 0.45
Sulfur (S), % 0 to 0.050
0 to 0.030