AWS Class ER630 Mig and Tig Filler Welding Wire and Rod

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Harshita Stainless in Delhi specializes in high-performance AWS Class ER630 MIG and TIG filler wires and rods. This nickel-chromium alloy is designed for welding 300-series stainless steels, providing excellent corrosion resistance and strength. Carefully manufactured to meet international standards, ER630 offers great feedability, arc control, and deposition quality. Each batch undergoes thorough testing to ensure chemical accuracy, mechanical integrity, and consistent weld bead appearance. Harshita Stainless combines modern production techniques with ISO-certified processes to offer a product that supports critical applications in the petrochemical, marine, and food-processing industries.

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AWS Class ER630 contains about 22–24% chromium, 14–16% nickel, with additions of molybdenum (approximately 1.2%) and nitrogen (around 0.10%). It achieves tensile strengths between 620–770 MPa and yield strengths around 310–450 MPa, with an elongation of 40–55%. Impact toughness values typically exceed 80 J at room temperature. The high alloy content ensures excellent resistance to chloride-induced pitting and crevice corrosion. The wire demonstrates stable arc performance, precise deposition control, and minimal spatter, making it suitable for MIG (GMAW) and TIG (GTAW) processes when welding 300-series stainless steels.

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 Harshita 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

ER630 MIG filler wire provides 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

ER630 TIG filler wire offers 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

ER630 TIG filler rod delivers 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.

Each AWS Class ER630 MIG and TIG Filler Welding Wire and Rod is carefully packed using high-quality materials. To prevent any damage or corrosion during shipping. We focus on customers satisfaction by assuring prompt delivery. Through efficient transportation methods. Our commitment to excellence extends to providing all necessary documentation at the time of delivery, ensuring transparency and seamless communication with our clients. This process guarantees that our products reach you in optimal condition and on time.

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

ER630 filler wire is ideal for welding austenitic stainless steels like 304, 316, and 321. Its excellent corrosion resistance and mechanical strength make it the preferred choice for petrochemical vessels, desalination plants, marine structures, food-processing equipment, and chemical piping systems. It also works well in high-temperature environments like heat exchangers, boilers, and steam tubing. The filler’s low ferrite content reduces the risk of hot cracking, ensuring leak-tight joints under demanding service conditions. Harshita Stainless’ ER630 is widely used in industrial power plants, offshore platforms, and sanitary-grade stainless-steel fabrication, where durability and hygiene are crucial.