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ASTM A387 Grade 11 Steel vs. N08135 Stainless Steel

Both ASTM A387 grade 11 steel and N08135 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 ASTM A387 grade 11 steel and the bottom bar is N08135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
46
Fatigue Strength, MPa 200 to 250
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 320 to 390
400
Tensile Strength: Ultimate (UTS), MPa 500 to 600
570
Tensile Strength: Yield (Proof), MPa 270 to 350
240

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
39
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.6
6.8
Embodied Energy, MJ/kg 21
94
Embodied Water, L/kg 53
220

Common Calculations

PREN (Pitting Resistance) 3.1
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 130
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 320
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 21
19
Strength to Weight: Bending, points 18 to 20
19
Thermal Shock Resistance, points 15 to 18
13

Alloy Composition

Carbon (C), % 0.050 to 0.17
0 to 0.030
Chromium (Cr), % 1.0 to 1.5
20.5 to 23.5
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 96.2 to 97.6
30.2 to 42.3
Manganese (Mn), % 0.4 to 0.65
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
4.0 to 5.0
Nickel (Ni), % 0
33 to 38
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.5 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8