AWS Class ER630 Mig and Tig Filler Welding Wire and Rod

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ED Stainless offers high-quality AWS Class ER630 (17-4 PH) MIG and TIG filler wires and rods designed for high-strength stainless steel welding. ER630 is a precipitation-hardening stainless steel used for joining and fixing 17-4 PH base materials. Our filler wires provide outstanding strength, corrosion resistance, and hardness after heat treatment. With precise control over chemistry and surface finish, these wires and rods deliver excellent weldability and are suited for aerospace, defense, marine, and petrochemical applications. ED Stainless ensures quality, consistency, and technical support for demanding welding tasks with high-strength precipitation-hardened alloys.

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ER630 includes 15–17.5% Chromium, 3–5% Nickel, 3–5% Copper, and 0.15–0.45% Niobium, along with balanced amounts of Manganese and Silicon. It achieves tensile strengths above 1100 MPa and yield strength around 1000 MPa after aging treatment (H900). The alloy shows great toughness, machinability, and fair corrosion resistance. Used in both MIG and TIG processes, ER630 filler creates strong, crack-resistant welds with little distortion. It is best for situations that need high mechanical performance and dimensional stability under mechanical and thermal stress.

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 Ed 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 and rods are commonly found in aerospace components, high-pressure hydraulic equipment, marine shafts, turbine blades, and nuclear projects. They create strong, lasting welds in 17-4 PH stainless steel structures that must withstand high stress, vibration, and fatigue. These supplies are perfect for welding rotors, gears, bolts, and valves in harsh environments. After aging treatments, the welded joints maintain their high strength and hardness. ER630 is widely used in petrochemical processing, food-grade equipment, and structural aerospace parts that require strength-to-weight efficiency and long service life in tough conditions.