AWS Class E630-16 Electrodes Manufacturer in Kolkata India

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Aditya Stainless, a prominent manufacturer and supplier located in Kolkata, India, specializes in providing top-notch AWS Class E630-16 Welding Electrodes. These electrodes are specifically designed for the intricate welding of precipitation-hardening stainless steels, such as 17-4 PH (UNS S17400). Crafted to ensure high strength, outstanding toughness, and impressive corrosion resistance, they excel in demanding environments. Aditya Stainless guarantees that each E630-16 electrode adheres to rigorous international standards, ensuring reliable performance whether heat-treated or as-welded. With a solid reputation in industries like aerospace, marine, defense, and petrochemicals, Aditya Stainless is known for delivering quality welding solutions at competitive prices and with prompt delivery both in India and internationally.

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AWS Class E630-16 Electrodes are mainly made up of chromium (15–17%), nickel (4–5.5%), copper (3–5%), and niobium, all with carefully controlled carbon content. These electrodes are tailored for welding 17-4 PH and similar precipitation-hardening stainless steels, resulting in high-strength weld metal that responds effectively to post-weld heat treatments. Typically, the mechanical properties include a tensile strength ranging from 930 to 1070 MPa, yield strength between 725 and 860 MPa, and an elongation of approximately 15 to 20%. In their as-welded state, the weld metal is martensitic and can be aged to enhance strength and hardness, making E630-16 perfect for structural and load-bearing applications in corrosive settings.

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 Class E630-16 Welding Electrodes are ideal for welding precipitation-hardening stainless steels like 17-4 PH, which find extensive use in high-performance and corrosion-resistant applications. These electrodes are commonly used in aerospace components, nuclear and marine equipment, pump and valve parts, chemical processing equipment, and high-strength fasteners. E630-16 is particularly suited for situations where both exceptional mechanical strength and corrosion resistance are essential. The welds can be utilized in their as-welded condition, ensuring reliability in various demanding environments.