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EN 1.4640 Stainless Steel vs. AWS BAg-7

EN 1.4640 stainless steel belongs to the iron alloys classification, while AWS BAg-7 belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (17, 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 BAg-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
83
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
31
Tensile Strength: Ultimate (UTS), MPa 620 to 650
150

Thermal Properties

Latent Heat of Fusion, J/g 280
130
Melting Completion (Liquidus), °C 1420
650
Melting Onset (Solidus), °C 1380
620
Specific Heat Capacity, J/kg-K 480
290
Thermal Expansion, µm/m-K 16
20

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.8
55
Embodied Energy, MJ/kg 40
860

Common Calculations

Stiffness to Weight: Axial, points 14
4.9
Stiffness to Weight: Bending, points 25
16
Strength to Weight: Axial, points 22 to 23
4.5
Strength to Weight: Bending, points 21
6.7
Thermal Shock Resistance, points 14 to 15
6.4

Alloy Composition

Carbon (C), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
0
Copper (Cu), % 1.3 to 2.0
21 to 23
Iron (Fe), % 67.4 to 73.6
0
Manganese (Mn), % 1.5 to 4.0
0
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 0.5
0
Silver (Ag), % 0
55 to 57
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
4.5 to 5.5
Zinc (Zn), % 0
15 to 19
Residuals, % 0
0 to 0.15