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S31277 Stainless Steel vs. ASTM A225 Steel

Both S31277 stainless steel and ASTM A225 steel are iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
21 to 23
Fatigue Strength, MPa 380
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
390 to 520
Tensile Strength: Ultimate (UTS), MPa 860
620 to 830
Tensile Strength: Yield (Proof), MPa 410
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.3
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.8
Embodied Energy, MJ/kg 90
24 to 25
Embodied Water, L/kg 220
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 410
580 to 820
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
22 to 29
Strength to Weight: Bending, points 25
21 to 25
Thermal Shock Resistance, points 19
18 to 24