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EN 1.4640 Stainless Steel vs. AWS BVAg-8b

EN 1.4640 stainless steel belongs to the iron alloys classification, while AWS BVAg-8b belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is AWS BVAg-8b.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
84
Poisson's Ratio 0.28
0.36
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 620 to 650
170

Thermal Properties

Latent Heat of Fusion, J/g 280
140
Melting Completion (Liquidus), °C 1420
800
Melting Onset (Solidus), °C 1380
780
Specific Heat Capacity, J/kg-K 480
280
Thermal Expansion, µm/m-K 16
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 14
4.7
Stiffness to Weight: Bending, points 25
15
Strength to Weight: Axial, points 22 to 23
4.7
Strength to Weight: Bending, points 21
6.8
Thermal Shock Resistance, points 14 to 15
7.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.030 to 0.080
0 to 0.0050
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
26.8 to 29.2
Iron (Fe), % 67.4 to 73.6
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0.3 to 0.7
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.0020
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
70.5 to 72.5
Sulfur (S), % 0 to 0.015
0
Zinc (Zn), % 0
0 to 0.0010