MakeItFrom.com
Menu (ESC)

S44625 Stainless Steel vs. ASTM A232 Spring Steel

Both S44625 stainless steel and ASTM A232 spring steel are iron alloys. They have 73% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S44625 stainless steel and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 22
14
Fatigue Strength, MPa 240
1040
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 370
1090
Tensile Strength: Ultimate (UTS), MPa 590
1790
Tensile Strength: Yield (Proof), MPa 360
1610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 39
28
Embodied Water, L/kg 160
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
250
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
64
Strength to Weight: Bending, points 20
42
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 19
53

Alloy Composition

Carbon (C), % 0 to 0.010
0.48 to 0.53
Chromium (Cr), % 25 to 27.5
0.8 to 1.1
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 69.4 to 74.3
96.8 to 97.7
Manganese (Mn), % 0 to 0.4
0.7 to 0.9
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.035
Vanadium (V), % 0
0.15 to 0.3