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S45000 Stainless Steel vs. ASTM A387 Grade 2 Steel

Both S45000 stainless steel and ASTM A387 grade 2 steel are iron alloys. They have 78% 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 S45000 stainless steel and the bottom bar is ASTM A387 grade 2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 410
140 to 170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.8 to 14
25
Fatigue Strength, MPa 330 to 650
190 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 590 to 830
300 to 350
Tensile Strength: Ultimate (UTS), MPa 980 to 1410
470 to 550
Tensile Strength: Yield (Proof), MPa 580 to 1310
260 to 350

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
420
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
50

Common Calculations

PREN (Pitting Resistance) 17
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 160
98 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 850 to 4400
180 to 320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 35 to 50
16 to 20
Strength to Weight: Bending, points 28 to 36
17 to 19
Thermal Diffusivity, mm2/s 4.5
12
Thermal Shock Resistance, points 33 to 47
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.050
0.050 to 0.21
Chromium (Cr), % 14 to 16
0.5 to 0.8
Copper (Cu), % 1.3 to 1.8
0
Iron (Fe), % 72.1 to 79.3
97.1 to 98.3
Manganese (Mn), % 0 to 1.0
0.55 to 0.8
Molybdenum (Mo), % 0.5 to 1.0
0.45 to 0.6
Nickel (Ni), % 5.0 to 7.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025

Comparable Variants