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EN 1.4923 Stainless Steel vs. ASTM A227 Spring Steel

Both EN 1.4923 stainless steel and ASTM A227 spring steel are iron alloys. They have 86% 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 1.4923 stainless steel and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 21
12
Fatigue Strength, MPa 300 to 440
900 to 1160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 540 to 590
1030 to 1330
Tensile Strength: Ultimate (UTS), MPa 870 to 980
1720 to 2220
Tensile Strength: Yield (Proof), MPa 470 to 780
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 150
200 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 35
61 to 79
Strength to Weight: Bending, points 26 to 28
41 to 48
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 30 to 34
55 to 71

Alloy Composition

Carbon (C), % 0.18 to 0.24
0.45 to 0.85
Chromium (Cr), % 11 to 12.5
0
Iron (Fe), % 83.5 to 87.1
97.4 to 99.1
Manganese (Mn), % 0.4 to 0.9
0.3 to 1.3
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.050
Vanadium (V), % 0.25 to 0.35
0

Comparable Variants