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ASTM A387 Grade 5 Steel vs. S28200 Stainless Steel

Both ASTM A387 grade 5 steel and S28200 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 28 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 5 steel and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
260
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 21
45
Fatigue Strength, MPa 160 to 240
430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 310 to 380
610
Tensile Strength: Ultimate (UTS), MPa 500 to 600
870
Tensile Strength: Yield (Proof), MPa 230 to 350
460

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 510
900
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
2.8
Embodied Energy, MJ/kg 23
41
Embodied Water, L/kg 69
160

Common Calculations

PREN (Pitting Resistance) 6.8
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
330
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
540
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 18 to 21
32
Strength to Weight: Bending, points 18 to 20
27
Thermal Shock Resistance, points 14 to 17
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 4.0 to 6.0
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Iron (Fe), % 92.1 to 95.3
57.7 to 64.1
Manganese (Mn), % 0.3 to 0.6
17 to 19
Molybdenum (Mo), % 0.45 to 0.65
0.75 to 1.3
Nitrogen (N), % 0
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030