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EN 1.4588 Stainless Steel vs. ASTM A387 Grade 2 Steel

Both EN 1.4588 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 48% of their average alloy composition in common. There are 31 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 EN 1.4588 stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
25
Fatigue Strength, MPa 190
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
470 to 550
Tensile Strength: Yield (Proof), MPa 240
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.6
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 200
50

Common Calculations

PREN (Pitting Resistance) 44
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
16 to 20
Strength to Weight: Bending, points 18
17 to 19
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 11
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0.050 to 0.21
Chromium (Cr), % 19 to 21
0.5 to 0.8
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
97.1 to 98.3
Manganese (Mn), % 0 to 2.0
0.55 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0.45 to 0.6
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.1 to 0.25
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.025