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ER502

Stainless Steel ER502 Filler Wire is a ferritic stainless steel alloy with excellent welding properties, primarily utilized for joining stainless steels of the same grade. Its chemical composition includes C Max 0.06%, Si Max 1.00%, Mn Max 2.00%, P Max 0.040%, S Max 0.030%, Cr 10.5 to 12.5%, Mo Null, Ni 4-6%. Its high chromium content gives it superior corrosion resistance properties, while its other elements provide strength and weldability to the filler wire. It has good formability and ductility and is helpful in temperatures ranging from cryogenic to up to 2000°F (1093°C). In Summary, this filler wire provides various advantages in numerous applications ranging from furniture manufacturing to petrochemical industry apparatus fabrication, making it an indispensable all-rounder in the field of stainless steel welding materials.

The uses and properties of ss filler wire make it an ideal choice for various welding applications. Its low carbon content makes it less likely to cause carbide precipitation, while its high chromium and nickel levels give it excellent corrosion resistance. This makes it ideal for welding in environments with a risk of exposure to corrosive elements. In addition, the high levels of molybdenum give the wire good pitting resistance, making it ideal for welding in high-temperature applications.

FAQ's for Stainless Steel ER502 Filler Wire

Stainless Steel ER502 Filler Wire is made of an austenitic stainless steel alloy and has the following chemical composition:


  • Carbon (C): 0.05%
  • Manganese (Mn): 0.75%
  • Silicon (Si): 1.00%
  • Chromium (Cr): 22.0%
  • Nickel (Ni): 12.0%
  • Molybdenum (Mo): 2.5%
  • Iron (Fe): Balance


The chemical composition of Stainless Steel ER502 Filler Wire is similar to that of other austenitic stainless steel alloys, such as 304 and 309.

The mechanical properties of Stainless Steel ER502 Filler Wire depend on several factors, including the specific manufacturing process, heat treatment, and cold work applied to the wire. Here are some general mechanical properties of Stainless Steel ER502 Filler Wire:


  • Tensile strength: 90-110 KSI (620-760 MPa)
  • Yield strength: 45-65 KSI (310-450 MPa)
  • Elongation: 40-50%
  • Hardness (Brinell): 187-217 HB
  • Modulus of elasticity: 29 x 10^6 psi (200 GPa)

The size of the filler wire is typically expressed in terms of its diameter. Here are some common sizes for Stainless Steel ER502 Filler Wire:


  • 0.035 inches (0.9 mm)
  • 0.045 inches (1.1 mm)
  • 0.062 inches (1.6 mm)
  • 0.093 inches (2.4 mm)


These are just a few examples of the sizes that are available. You can get in touch with our suppliers for the specific size that you need.

The welding parameters for Stainless Steel ER502 Filler Wire refer to the specific conditions used during the welding process, such as the welding current, voltage, and travel speed. Here are some general welding parameters for the SS ER502 filler rod:


  • Diameter: 0.035-0.093 inches (0.9-2.4 mm)
  • Welding current: 90-160 amps
  • Welding voltage: 19-27 volts
  • Travel speed: 3-8 inches per minute (75-200 mm/min)


It's important to note that these values are approximate and may vary depending on the specific application, the base material being welded, and the equipment used.

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