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N08135 Stainless Steel vs. ASTM A387 Grade 12 Steel

Both N08135 stainless steel and ASTM A387 grade 12 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 N08135 stainless steel and the bottom bar is ASTM A387 grade 12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 46
25
Fatigue Strength, MPa 220
190 to 230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 400
300 to 330
Tensile Strength: Ultimate (UTS), MPa 570
470 to 520
Tensile Strength: Yield (Proof), MPa 240
260 to 310

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
2.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.8
1.6
Embodied Energy, MJ/kg 94
21
Embodied Water, L/kg 220
51

Common Calculations

PREN (Pitting Resistance) 38
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
16 to 18
Strength to Weight: Bending, points 19
17 to 18
Thermal Shock Resistance, points 13
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.17
Chromium (Cr), % 20.5 to 23.5
0.8 to 1.2
Copper (Cu), % 0 to 0.7
0
Iron (Fe), % 30.2 to 42.3
97 to 98.2
Manganese (Mn), % 0 to 1.0
0.4 to 0.65
Molybdenum (Mo), % 4.0 to 5.0
0.45 to 0.6
Nickel (Ni), % 33 to 38
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.75
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0.2 to 0.8
0