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EN 1.4826 Stainless Steel vs. ASTM A229 Spring Steel

Both EN 1.4826 stainless steel and ASTM A229 spring steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4826 stainless steel and the bottom bar is ASTM A229 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
490 to 550
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.1
14
Fatigue Strength, MPa 140
710 to 790
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 500
1690 to 1890
Tensile Strength: Yield (Proof), MPa 260
1100 to 1230

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
50
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
200 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 170
3260 to 4080
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
60 to 67
Strength to Weight: Bending, points 18
40 to 43
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 11
54 to 60

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.55 to 0.85
Chromium (Cr), % 21 to 23
0
Iron (Fe), % 60.4 to 68.7
97.5 to 99
Manganese (Mn), % 0 to 2.0
0.3 to 1.2
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.050