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S39274 Stainless Steel vs. ASTM A225 Steel

Both S39274 stainless steel and ASTM A225 steel are iron alloys. There are 31 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 S39274 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 250
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
21 to 23
Fatigue Strength, MPa 380
330 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 560
390 to 520
Tensile Strength: Ultimate (UTS), MPa 900
620 to 830
Tensile Strength: Yield (Proof), MPa 620
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.3
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.8
Embodied Energy, MJ/kg 60
24 to 25
Embodied Water, L/kg 180
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 940
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
22 to 29
Strength to Weight: Bending, points 26
21 to 25
Thermal Diffusivity, mm2/s 4.2
14
Thermal Shock Resistance, points 25
18 to 24