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S31277 Stainless Steel vs. ASTM A387 Grade 11 Steel

Both S31277 stainless steel and ASTM A387 grade 11 steel are iron alloys. They have 43% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is ASTM A387 grade 11 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 380
200 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
320 to 390
Tensile Strength: Ultimate (UTS), MPa 860
500 to 600
Tensile Strength: Yield (Proof), MPa 410
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
430
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
2.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.6
Embodied Energy, MJ/kg 90
21
Embodied Water, L/kg 220
53

Common Calculations

PREN (Pitting Resistance) 51
3.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
100 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 410
200 to 320
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 18

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.17
Chromium (Cr), % 20.5 to 23
1.0 to 1.5
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
96.2 to 97.6
Manganese (Mn), % 0 to 3.0
0.4 to 0.65
Molybdenum (Mo), % 6.5 to 8.0
0.45 to 0.65
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0.5 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025