AISI 204 Stainless Steel vs. AWS BVAg-18

AISI 204 stainless steel belongs to the iron alloys classification, while AWS BVAg-18 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 AISI 204 stainless steel and the bottom bar is AWS BVAg-18.

AISI 204 (S20400) Stainless Steel AWS BVAg-18 (P07607) Vacuum Service Filler Metal

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		200
Elastic (Young's, Tensile) Modulus, GPa		82

Poisson's Ratio		0.28
Poisson's Ratio		0.36

Shear Modulus, GPa		77
Shear Modulus, GPa		30

Tensile Strength: Ultimate (UTS), MPa		730 to 1100
Tensile Strength: Ultimate (UTS), MPa		180

Thermal Properties

Latent Heat of Fusion, J/g		280
Latent Heat of Fusion, J/g		140

Melting Completion (Liquidus), °C		1410
Melting Completion (Liquidus), °C		720

Melting Onset (Solidus), °C		1370
Melting Onset (Solidus), °C		600

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		280

Thermal Expansion, µm/m-K		17
Thermal Expansion, µm/m-K		19

Otherwise Unclassified Properties

Density, g/cm³		7.7
Density, g/cm³		9.7

Embodied Carbon, kg CO₂/kg material		2.4
Embodied Carbon, kg CO₂/kg material		59

Embodied Energy, MJ/kg		35
Embodied Energy, MJ/kg		930

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		4.7

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		15

Strength to Weight: Axial, points		27 to 40
Strength to Weight: Axial, points		5.1

Strength to Weight: Bending, points		24 to 31
Strength to Weight: Bending, points		7.3

Thermal Shock Resistance, points		16 to 24
Thermal Shock Resistance, points		8.1

Alloy Composition

Cadmium (Cd), %		0
Cadmium (Cd), %		0 to 0.0010

Carbon (C), %		0 to 0.030
Carbon (C), %		0 to 0.0050

Chromium (Cr), %		15 to 17
Chromium (Cr), %		0

Copper (Cu), %		0
Copper (Cu), %		28.5 to 31.5

Iron (Fe), %		69.6 to 76.4
Iron (Fe), %		0

Lead (Pb), %		0
Lead (Pb), %		0 to 0.0020

Manganese (Mn), %		7.0 to 9.0
Manganese (Mn), %		0

Nickel (Ni), %		1.5 to 3.0
Nickel (Ni), %		0

Nitrogen (N), %		0.15 to 0.3
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.040
Phosphorus (P), %		0 to 0.0020

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0

Silver (Ag), %		0
Silver (Ag), %		59 to 61

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0

Tin (Sn), %		0
Tin (Sn), %		9.5 to 10.5

Zinc (Zn), %		0
Zinc (Zn), %		0 to 0.0010