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S30815 Stainless Steel vs. ASTM A387 Grade 2 Steel

Both S30815 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
25
Fatigue Strength, MPa 320
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480
300 to 350
Tensile Strength: Ultimate (UTS), MPa 680
470 to 550
Tensile Strength: Yield (Proof), MPa 350
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1020
420
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.6
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.6
Embodied Energy, MJ/kg 47
20
Embodied Water, L/kg 160
50

Common Calculations

PREN (Pitting Resistance) 24
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 310
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16 to 20
Strength to Weight: Bending, points 22
17 to 19
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 15
14 to 16

Alloy Composition

Carbon (C), % 0.050 to 0.1
0.050 to 0.21
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
0.5 to 0.8
Iron (Fe), % 62.8 to 68.4
97.1 to 98.3
Manganese (Mn), % 0 to 0.8
0.55 to 0.8
Molybdenum (Mo), % 0
0.45 to 0.6
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.4 to 2.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025