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EN 1.4876 Stainless Steel vs. ASTM A232 Spring Steel

Both EN 1.4876 stainless steel and ASTM A232 spring steel are iron alloys. They have 47% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4876 stainless steel and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
14
Fatigue Strength, MPa 150
1040
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370
1090
Tensile Strength: Ultimate (UTS), MPa 570
1790
Tensile Strength: Yield (Proof), MPa 190
1610

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 30
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
2.0
Embodied Energy, MJ/kg 76
28
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
64
Strength to Weight: Bending, points 19
42
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 14
53

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.12
0.48 to 0.53
Chromium (Cr), % 19 to 23
0.8 to 1.1
Iron (Fe), % 38.6 to 50.7
96.8 to 97.7
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Nickel (Ni), % 30 to 34
0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0.15 to 0.6
0
Vanadium (V), % 0
0.15 to 0.3