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ASTM A387 Grade 2 Steel vs. S33228 Stainless Steel

Both ASTM A387 grade 2 steel and S33228 stainless steel are iron alloys. They have 41% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A387 grade 2 steel and the bottom bar is S33228 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140 to 170
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
34
Fatigue Strength, MPa 190 to 250
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 300 to 350
380
Tensile Strength: Ultimate (UTS), MPa 470 to 550
570
Tensile Strength: Yield (Proof), MPa 260 to 350
210

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1470
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
37
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.6
6.2
Embodied Energy, MJ/kg 20
89
Embodied Water, L/kg 50
220

Common Calculations

PREN (Pitting Resistance) 2.4
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 320
110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 20
20
Strength to Weight: Bending, points 17 to 19
19
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0.050 to 0.21
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0.5 to 0.8
26 to 28
Iron (Fe), % 97.1 to 98.3
36.5 to 42.3
Manganese (Mn), % 0.55 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.6
0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0.15 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.015