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EN 1.4980 Stainless Steel vs. ASTM A231 Spring Steel

Both EN 1.4980 stainless steel and ASTM A231 spring 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 (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4980 stainless steel and the bottom bar is ASTM A231 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
14
Fatigue Strength, MPa 410
1000
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 630
1080
Tensile Strength: Ultimate (UTS), MPa 1030
1790
Tensile Strength: Yield (Proof), MPa 680
1570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 920
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.4

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
230
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
64
Strength to Weight: Bending, points 28
42
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 22
53

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.48 to 0.53
Chromium (Cr), % 13.5 to 16
0.8 to 1.1
Iron (Fe), % 49.2 to 58.5
96.7 to 97.7
Manganese (Mn), % 1.0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0.15 to 0.3