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Certified Welding Consumables

MIG Electrode Designation​

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  • Electrode Designation: ​ MIG-308/308L, MIG-309/309L, MIG-316/316L

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  • Classification: ER308, ER308L, ER309, ER309L, ER316, ER316L​

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  • Type: GMAW/GTAW Stainless Steel

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  • Min (mm): 0.8

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  • Max (mm): 1.6

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  • Standard: CSA W48 / AWS A5.9M

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TGA Electrode Designation​

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  • Electrode Designation: ​ TGA-308/308L, TGA-309/309L, TGA-316/316L

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  • Classification: ER308, ER308L, ER309, ER309L, ER316, ER316L​

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  • Type: GMAW/GTAW Stainless Steel

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  • Min (mm): 0.9

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  • Max (mm): 4

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  • Standard: CSA W48 / AWS A5.9M​​​​​​​​

Standards(CSA W48 / AWS A5.9M)​​

 

Our welding electrodes are provided in accordance with CSA W48 and AWS A5.9M standards, and they are CWB (Canadian Welding Bureau) certified. These standards and certifications define the requirements for stainless steel filler metals used in Gas Metal Arc Welding (GMAW) and Gas Tungsten Arc Welding (GTAW).

These specifications ensure that the filler metal has the correct chemical composition and physical strength. Following these standards and maintaining CWB certification guarantees that every weld is high-quality, strong, and meets strict industrial safety requirements. By meeting these criteria, our products provide the most stable, reliable, and compliant choice for your welding projects in Canada.

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Product Overview

This document serves as a comprehensive technical catalogue for our welding products. It includes:

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  • Detailed Specifications: Provide equivalent specifications, international standards (e.g., AWS A5.9), available wire diameters, and packaging weight options.

  • Technical Guidelines: Details product characteristics, recommended base metals, and target industries such as the petrochemical sector and pressure vessel manufacturing.

  • Operational Instructions: Includes critical parameters for successful welding, such as gas flow rates, current polarity, and wire stick-out length.

  • Performance Data: Lists chemical composition (wt%), mechanical properties (e.g., yield/tensile strength, impact values), and recommended welding parameters.​​​​

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GA 308/308L (TIG) :

The nominal composition (wt.%) of GA-308/308L is 21Cr and 10Ni, belonging to the Vossian iron microstructure. It can be used with materials such as 18Cr-8Ni (AISI 304), AISI 301, 302, and SUS 304. It is mainly used for welding equipment in the fiber, fertilizer, and petroleum industries.​

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GA 309/309L (TIG) :

The nominal composition (wt.%) of GA-309/309L is 24Cr and 13Ni, belonging to the Wostian iron structure. It is suitable for welding low-carbon stainless steel and cladding steel, SUS309S, heat-resistant 13Cr, 18Cr steel or dissimilar metals.​​

GA 316/316L (TIG) :

The nominal composition (wt.%) of GA-316/316L is 19Cr, 12.5Ni, and 2%Mo, exhibiting a stable ferrosilicon structure. Applicable base materials include: stainless steel sheets, strips, pipes, seamless pipes, heat transfer pipes, pressure vessel plates, bars, castings, etc.

MG 308/308L (MIG) :

MIG-308/308L is a low-carbon Wassfield stainless steel with good mechanical properties and resistance to intergranular corrosion. It can be used for welding in the petrochemical industry, pressure vessels, stainless steel storage tanks, etc. Applicable base materials include ASTM A157 Gr. C9, AISI 302, 304, 304L, etc.

MG 309/309L (MIG) :

MIG-309/309L is a low-carbon Wassfield stainless steel. It can be used in the manufacture of equipment for synthetic fibers, petrochemicals, and the welding of dissimilar steel structures.​

MG 316/316L (MIG) :

MIG-316/316L is a low-carbon, stable Wosfield stainless steel made of 18.5Cr, 12.5Ni, and 2.5Mo. It is suitable for use in the chemical industry, power engineering components, and liquefied natural gas storage tanks, such as AISI 316/316L, SUS316H, ASTM A813 TP316H, and ASTM TP316.​​

​​​​Legal Disclaimer
The information contained herein is presented as "typical" data without guarantee or warranty. Northbridge Trade & Industrial Solutions expressly disclaims any liability incurred from reliance on this data. Typical data is obtained through testing in accordance with AWS specifications; other procedures may produce different results. No data should be construed as a recommendation for any welding condition not controlled by Northbridge Trade & Industrial Solutions.

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CWB Certification: Future Pipeline

Solid Wire​

  • ​M-56 (CONFORMANCES: AWS A5.18 ER70S-6/ER70S-6A)​
    The M-56 is suitable for welding in all positions, accommodating a wide range of welding currents, and providing a stable arc with minimal spark spatter at low currents. It is suitable for welding structural components such as bridges, buildings, shipbuilding, and machinery, including butt and fillet welds.

  • M-58 (CONFORMANCES: AWS A5.18 ER70S-G)
    M-58, in addition to containing appropriate amounts of alloying elements such as Si and Mn, also incorporates Ti, which refines the spherical migration droplets in the weld wire and stabilizes the arc. Consequently, spark spatter and smoke generation are significantly reduced. 

  • GA-50 (CONFORMANCES: AWS A5.18 ER70S-G)
    Suitable for butt welding and fillet welding of pipe fittings in high-pressure equipment such as shipbuilding, petrochemical, and nuclear power plant pipelines using mild steel and 490N/mm2 grade high-tensile steel. GA-50 uses pure argon as the TIG shielding gas, allowing for operation in all postures. It is especially suitable for the first root pass welding of pipelines, using a DC negative electrode (DC-) for welding.

  • GA-52(CONFORMANCES: AWS A5.18 ER70S-2)
    It is suitable for welding mild steel and 490N/mm2 grade high-tensile steel. Due to the addition of metallic elements such as Al, Ti, and Zr, it has excellent welding performance for all-position root pass welding of pipe fittings.

  • GA-53(CONFORMANCES: AWS A5.18 ER70S-3)
    Designed for welding low-carbon steel and 490N/mm2 grade high-tensile steel, this product is commonly used in shipbuilding, automobile frames, farm equipment, railway vehicle construction and repair, and high-pressure pipeline welding in general buildings and equipment.

  • GA-56(CONFORMANCES: AWS A5.18 ER70S-6/ER70S-6A)
    Suitable for welding mild steel and 490N/mm2 grade high-tensile steel, such as joints and fillet welds for high-pressure pipelines in high-pressure vessels, petrochemicals, nuclear power plants, shipbuilding, etc.

  • GA-80(CONFORMANCES: AWS A5.28 ER80S-G)
    Suitable for all-position welding of 590N/mm2 grade high-tensile steel, suitable for penetration welding of root pass, and commonly used in welding of high-strength steels such as Mn-Mo and Mn-Mo-Ni.    ​

  • M-60(CONFORMANCES: AWS A5.28 ER80S-G)
    Suitable for welding 590N/mm² high-tensile steel, it is used in steel structure welding applications requiring high tensile strength, and features a wide applicable current range and stable arc characteristics. Commonly used in welding applications such as bridges, buildings, and pressure vessels.

  • GA-80B2(CONFORMANCES: AWS A5.28 ER80S-B2)
    GA-80B2 is a 1.25%Cr-0.5%Mo heat-resistant alloy steel argon welding electrode. Its molten metal has high tensile strength and excellent creep resistance. It is mainly used for welding pipelines and pressure vessels with operating temperatures of around 500℃.

  • GA-80B6(CONFORMANCES: AWS A5.28 ER80S-B6)
    GA-80B6 is a heat-resistant alloy steel argon welding electrode used for joining 5% Cr and 0.5% Mo steels, such as A336 Grade F5, A155 Grade 5 Cr, A335 Grade P5 and P5b, A217 C5 (casting), and A199/A213 Grade T5 and T5b. It is primarily used in industries such as power piping, pressure vessels, heat exchangers, and boilers. This welding wire is similar to ER502 in AWS A5.9-93.

  • GA-90B3(CONFORMANCES: AWS A5.28 ER90S-B3)
    GA-90B3 is a 2.5%Cr-1%Mo heat-resistant alloy steel argon welding electrode. Its molten metal has high tensile strength and excellent creep resistance. It is mainly used for welding pipelines and pressure vessels with operating temperatures of around 550℃.

  • GA-80Ni1(CONFORMANCES: AWS A5.28 ER80S-Ni1)
    It is used in 590 N/mm2 high-strength steel, can withstand low temperatures, and can be applied to high-strength steel alloys such as ASTM A203, A537 and A588.

  • MG-308LSi(CONFORMANCES: AWS A5.9 ER 308LSi)
    MG-308LSi is a low-carbon alloy with a higher silicon content than MIG-308L. It exhibits excellent molten iron fluidity, produces aesthetically pleasing weld beads, and demonstrates good low-temperature impact resistance at -196°C.

  • MG-309LSi(CONFORMANCES: AWS A5.9 ER 309LSi)
    MIG-309LSi is an ER-309L material with a high Si content. It has good welding fluidity, beautiful weld bead formation, and good operability, especially for fillet welds. It can be used for high-speed welding and obtains good mechanical properties.

  • MG-316LSi(CONFORMANCES: AWS A5.9 ER 316LSi)
    MIG-316LSi is a high-Si, low-carbon stable Worsfield stainless steel with 18.5Cr, 12.5Ni, and 2.5Mo alloys. Due to the increased Si content (0.65-1.0%).

  • GA-2209(CONFORMANCES: AWS A5.9 ER2209)
    The nominal composition (wt.%) of TGA-2209 is 22.5Cr, 8.5Ni, 3Mo, and 0.15N, making it most suitable for welding duplex stainless steels containing 22%Cr, such as UNS S31803 (i.e., Alloy2205).

  • GA-61(CONFORMANCES: AWS A5.14 ERNiCrMo-3) & MG-61(CONFORMANCES: AWS A5.14 ERNiCrMo-3)
    Inconel 625 series welding materials have excellent corrosion resistance and high strength. They are used in welding Inconel 625, Alloy 904L, and high alloy steel, heat-resistant steel, 9Ni steel and dissimilar materials at ultra-low temperatures, and are widely used in multilayer welding.

  • GA-17(CONFORMANCES: AWS A5.14 ERNiCrMo-4) & MG-17(CONFORMANCES: AWS A5.14 ERNiCrMo-4)

  • Inco C-276 series welding materials are resistant to stress corrosion and high-temperature oxidation, and are suitable for materials requiring high resistance to stress corrosion, such as HASTELLOY C-276, chemical and oil storage tanks, and drilling platforms.

  • GA-60(CONFORMANCES: AWS A5.14 ERNiCu-7) & MG-60(CONFORMANCES: AWS A5.14 ERNiCu-7)
    Monel metal welding wire has excellent corrosion resistance in its filler metal and is used in Monel alloy welding, dissimilar material welding, and is widely used in multilayer welding.

  • GA-82(CONFORMANCES: AWS A5.14 ERNiCr-3) & MG-82(CONFORMANCES: AWS A5.14 ERNiCr-3)
    Inconel 82 series welding consumables provide excellent heat resistance, corrosion resistance, and mechanical properties for weld filler metals. Suitable for use with Inconel, Incolloy, 9Ni steel, and cryogenic LNG and LPG storage tanks.

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