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S31277 Stainless Steel vs. ASTM A203 Steel

Both S31277 stainless steel and ASTM A203 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 A203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
22 to 26
Fatigue Strength, MPa 380
210 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
330 to 370
Tensile Strength: Ultimate (UTS), MPa 860
520 to 590
Tensile Strength: Yield (Proof), MPa 410
290 to 390

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
410
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
3.2 to 4.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.7
1.6 to 1.7
Embodied Energy, MJ/kg 90
21 to 23
Embodied Water, L/kg 220
50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 410
230 to 410
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
18 to 21
Strength to Weight: Bending, points 25
18 to 20
Thermal Shock Resistance, points 19
15 to 17