AWS Class ER630 Mig and Tig Filler Welding Wire and Rod

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Weston Stainless in Midland, UK, specializes in supplying stainless steel welding consumables of top quality, such as AWS Class ER420 MIG and TIG Filler Welding Wire and Rod. Produced from Grade ER420 stainless steel, this martensitic filler material is intended for high-hardness and wear-resistant welds and overlay applications with moderate corrosion resistance. Supplied in wire and rod form, it is applied extensively in industries like power generation, oil & gas, and manufacturing, where high-strength welds and better durability are critical, especially in wear–and–impact exposed components.

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AWS Class ER420 MIG and TIG Filler Welding Wire and Rod consists mainly of 12–14% chromium with low carbon content for greater weldability and heat treatment hardness. Mechanically, it has a tensile strength of approximately 750–900 MPa, yield strength of 550 MPa, and elongation of about 12–18%. Physically, it is of a density of 7.7 g/cm³ and possesses good oxidation resistance until 600°C. This filler metal is famous for its very good toughness, wear resistance, and ability to attain high hardness by means of post-weld heat treatment.

AWS Class ER630 Mig and Tig Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER630
Form	MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding	Inert Gas Welding
Current	MIG-DCEP / TIG-DCEN
Diameters	.023”, .030”, .035”, .045”, 1/16”, 3/32”, 1/8”
Standard TIG straight lengths are available	36” (914 mm) or 39” (1000 mm) lengths. Other lengths available upon request.
AWS ER630 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER630 Mig and Tig Filler Welding Wire and Rod Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu	Element	Amount
0.05	16.00-16.75	4.5-5.0	0.75	0.25-0.75	0.75	0.03	0.03	3.25-4.00	Nb	0.15-0.30

AWS Class ER630 Mig and Tig Filler Welding Wire and Rod Mechanical Properties

Yield, kpsi:	135
Tensile Strength, kpsi:	150
Elongation%, min:	10

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

Why AWS Class ER630 MIG and TIG Filler Welding Wire and Rod from Weston Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER630 MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER630 MIG Filler Wire

High strength and excellent corrosion resistance, ideal for welding precipitation-hardening stainless steels in aerospace and industrial applications requiring durable, high-performance joints.

Stainless Steel ER630 TIG Filler Wire

Superior strength and corrosion resistance, suitable for welding high-strength, precipitation-hardening stainless steels, ensuring robust welds for aerospace, petrochemical, and high-stress applications.

Stainless Steel ER630 TIG Filler Rod

High strength and excellent corrosion resistance, perfect for welding precipitation-hardening stainless steels in critical applications like turbine blades and aerospace components, ensuring durability and performance.

AWS Class ER420 MIG and TIG Filler Welding Rod and Wire is applied where top hardness and wear resistance are needed. It finds frequent use in welding turbine parts, pump shafts, and tool steel parts. In the oil and gas sector, it is best suited for hardfacing operations, valve seating, and pipeline repair. It is further applied in the aerospace, automotive, and defense industries for producing parts that experience severe mechanical stress and high temperatures. It is also ideal for overlaying and restoring worn parts in industrial equipment.

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AWS Class ER630 MIG and TIG Filler Welding Wires and Rods Uses

AWS Class ER420 MIG and TIG Filler Welding Wire and Rod is provided with necessary test certificates such as Mill Test Certificates (MTC) to EN 10204 3.1, third-party inspection reports, and chemical and mechanical analysis reports for adherence to industrial standards. Wires and rods are packed tightly in moisture-resistant spools and sealed containers for preservation of quality and to avoid contamination. With a stable supply chain and international distribution, Weston Stainless provides effective packaging and timely delivery, satisfying the needs of diverse industrial uses.