Weld Star – ER 347Si Stainless TIG Wire – 1.6 mm x 2.5 Kg

RO201625

£45.44 ex VAT £54.53 inc VAT

Brand: Weld Star
Product Model:
RO201625
Availability:
In Stock

  • Material: Austenitic stainless steel with niobium
  • Pack Size: 2.5 KG
  • Rod Diameter: 1.6 mm
  • AWS Code: ER 347Si
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Description

Stainless 347 TIG Rods – 1.6 mm x 2.5 Kg

Weld Star – ER 347Si Stainless TIG Wire is an austenitic stainless steel wire enriched with niobium. This composition provides resistance to intergranular chromium carbide precipitation, enhancing its resistance to intergranular corrosion. The increased silicon content ensures fluidity in the weld pool, resulting in a smooth deposit appearance. This wire is ideal for welding and overlaying chromium-nickel stainless steel base metals of similar composition, especially those stabilized by Nb or Ti, such as types 321 and 347. It finds its applications predominantly in the chemical industry, especially in high-temperature environments. This includes equipment intermittently heated within a temperature range of 400°C to 800°C. Other applications span across industries like food processing, dairy, oil, textile, and more.

Features and Benefits:

  • Niobium Presence: Offers resistance to intergranular chromium carbide precipitation.
  • Silicon Content: Promotes weld pool fluidity for a smoother deposit.
  • Versatile Applications: Suitable for welding chromium-nickel stainless steel base metals, especially types 321 and 347.
  • High-Temperature Resistance: Ideal for equipment heated within 400°C to 800°C.

Common Applications:

  • Chemical Industry: Used in equipment intermittently heated within 400°C to 800°C.
  • Food Processing: Suitable for the food processing industry.
  • Dairy, Oil, and Textile Industries: Finds applications in these industries.
  • Firewalls and Pressure Vessels: Ideal for constructing and repairing these structures.

Specifications

Product Type Stainless Steel TIG Rod
Part Number RO201625
Weight 2.5 KG
Diameter 1.6 mm
Melting Point DegC 1440
U.T.S. N/mm2 650

Welding Positions

sifsteel stainless 347 welding positions

Suitable for use in the shipbuilding and offshore industries, power generation, general fabrication and construction, repair and maintenance, and the process industry.

Typical Weld Metal Composition

C 0.03%
Si 0.80%
Mn 0.80%
Ni 10%
Cr 20%
Nb 0.6%
S 0.03%
P 0.03%

Typical Mechanical Properties

Melting Point 1440°C
Ultimate Tensile Strength 650 N/mm²
Hardness 180

Standards

EN ISO 14343 19 9 Nb
BS 2901 347S96

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