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S13800 Stainless Steel vs. ASTM A387 Grade 2 Steel

Both S13800 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 77% 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 S13800 stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 480
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 18
25
Fatigue Strength, MPa 410 to 870
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 610 to 1030
300 to 350
Tensile Strength: Ultimate (UTS), MPa 980 to 1730
470 to 550
Tensile Strength: Yield (Proof), MPa 660 to 1580
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 810
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.6
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
1.6
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 140
50

Common Calculations

PREN (Pitting Resistance) 21
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 190
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1090 to 5490
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 61
16 to 20
Strength to Weight: Bending, points 28 to 41
17 to 19
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 33 to 58
14 to 16

Alloy Composition

Aluminum (Al), % 0.9 to 1.4
0
Carbon (C), % 0 to 0.050
0.050 to 0.21
Chromium (Cr), % 12.3 to 13.2
0.5 to 0.8
Iron (Fe), % 73.6 to 77.3
97.1 to 98.3
Manganese (Mn), % 0 to 0.2
0.55 to 0.8
Molybdenum (Mo), % 2.0 to 3.0
0.45 to 0.6
Nickel (Ni), % 7.5 to 8.5
0
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.010
0 to 0.025
Silicon (Si), % 0 to 0.1
0.15 to 0.4
Sulfur (S), % 0 to 0.0080
0 to 0.025