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AWS E630 vs. S45500 Stainless Steel

Both AWS E630 and S45500 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AWS E630 and the bottom bar is S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.0
3.4 to 11
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 1040
1370 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 14
17
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 40
57
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 18
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 37
48 to 65
Strength to Weight: Bending, points 29
35 to 42
Thermal Shock Resistance, points 28
48 to 64

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.050
Chromium (Cr), % 16 to 16.8
11 to 12.5
Copper (Cu), % 3.3 to 4.0
1.5 to 2.5
Iron (Fe), % 71.6 to 75.9
71.5 to 79.2
Manganese (Mn), % 0.25 to 0.75
0 to 0.5
Molybdenum (Mo), % 0 to 0.75
0 to 0.5
Nickel (Ni), % 4.5 to 5.0
7.5 to 9.5
Niobium (Nb), % 0.15 to 0.3
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0
0.8 to 1.4