AWS Class E630-16 Electrodes Manufacturer in Abuja, Nigeria

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The AWS E630‑16 electrode is a specialized stick welding electrode made from precipitation-hardened martensitic stainless steel. It’s perfect for welding and repairing alloys like 17‑4 PH (UNS S17400) and 17‑7 stainless steels. This electrode meets the AWS A5.4 / ASME SFA 5.4 standards and adheres to UNS W37410 specifications. To get the best strength and toughness, it’s recommended to preheat, control interpass temperatures, and apply post-weld heat treatment. With its high-performance weld deposits, this electrode is ideal for tough industrial applications that demand corrosion resistance, high strength, and durability.

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When it comes to the typical weld metal composition, you’ll find carbon at 0.03–0.05%, chromium at 16–16.75%, nickel at 4.5–5%, copper at 3.25–4%, niobium/tantalum at 0.15–0.30%, manganese at 0.25–0.75%, and silicon up to 0.75%. After the right post-weld heat treatment, the mechanical properties include a tensile strength of up to 930–1,000 MPa and an elongation of about 7%, resulting in incredibly strong and durable welds in a precipitation-hardened state.

AWS Class E630-16 Electrodes Specifications

Classification	AWS A5.4, E630-16
Form	Welding Electrode, Welding Rods
Type Of Current	AC-DCEP (Direct Current Electrode Positive)
Welding Position	F, V, OH, H
Size	2.0 mm, 2.50 mm, 3.15 mm, 4.00 mm, 5.0 mm
AC/DC+	AC or DC (+)
JIS Specification	BS 2926 19.9 A R
Other Specification	DIN 8556 E19 9 R 23 A
AWS E630-16 Coated Electrodes Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

AWS Class E630-16 Electrodes Chemical Composition

Carbon (C)	0.03
Chromium (Cr)	16.58
Copper (Cu)	3.55
Iron (Fe)	Balance
Manganese (Mn)	0.56
Molybdenum (Mo)	0.20
Nickel (Ni)	4.78
Niobium (Nb)	0.24
Nitrogen (N)	0.04-0.08
Phosphorous (P)	0.018
Silicon (Si)	0.44
Sulfur (S)	0.02

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Types of AWS Class E630-16 Electrodes

Stainless Steel AWS Class E630-16 Light Coated Electrodes

These electrodes offer exceptional corrosion resistance and are ideal for various stainless steel welding applications. They typically come in sizes like 1/8″, 5/32″, and 3/16″. The light coating ensures smooth arc stability and minimal spatter during welding.

Stainless Steel AWS Class E630-16 Heavy Coated Electrodes

Offering robust corrosion resistance, these electrodes are designed for demanding welding tasks on stainless steel. Available in sizes such as 1/8″, 5/32″, and 3/16″, the heavy coating enhances arc stability and slag removal, making them suitable for heavy-duty applications.

Stainless Steel AWS Class E630-16 Shielded Arc Electrodes

These electrodes provide superior corrosion resistance for stainless steel welding with shielded arc protection. They are typically available in diameters of 1/8″, 5/32″, and 3/16″. The shielded arc ensures clean, strong welds with minimal contamination.

We ensure a high quality standard with our offerings on the AWS Class E630-16 Electrodes. Our product details include commercial invoices and packaging lists, along with fumigation certificates and heat treatment charts, quality assurance plans and approved laboratory test reports. We also include several test certificates for the electrodes. These certificates include MTC as per EN 10204/3.1b, PMI Test Certificate, 100% radiography test report, and Third-Party Inspection Certificate. We aim to guarantee 100% client satisfaction and confidence in our products by providing these thorough certifications.

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AWS Class E630-16 Electrodes Uses

AWS E630‑16 electrodes are commonly used for fabricating and repairing high-strength components in industries like aerospace, petrochemical, power generation, and structural applications. They excel at welding precipitation-hardened stainless steels, cladding, or joining different metals under controlled conditions, ensuring high strength, corrosion resistance, and reliable performance even in high-temperature or demanding service environments.