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ASTM A387 Grade 5 Steel vs. S30601 Stainless Steel

Both ASTM A387 grade 5 steel and S30601 stainless steel are iron alloys. They have 65% 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 S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 21
37
Fatigue Strength, MPa 160 to 240
250
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
75
Shear Strength, MPa 310 to 380
450
Tensile Strength: Ultimate (UTS), MPa 500 to 600
660
Tensile Strength: Yield (Proof), MPa 230 to 350
300

Thermal Properties

Latent Heat of Fusion, J/g 260
370
Maximum Temperature: Mechanical, °C 510
950
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
20
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.7
3.9
Embodied Energy, MJ/kg 23
55
Embodied Water, L/kg 69
150

Common Calculations

PREN (Pitting Resistance) 6.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 320
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18 to 21
24
Strength to Weight: Bending, points 18 to 20
22
Thermal Shock Resistance, points 14 to 17
16

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.015
Chromium (Cr), % 4.0 to 6.0
17 to 18
Copper (Cu), % 0
0 to 0.35
Iron (Fe), % 92.1 to 95.3
56.9 to 60.5
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Molybdenum (Mo), % 0.45 to 0.65
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
5.0 to 5.6
Sulfur (S), % 0 to 0.025
0 to 0.013