AWS Class E630-16 Electrodes Manufacturer in Naypyidaw, Myanmar

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Kyaw Stainless, a trusted stainless steel electrode manufacturer and supplier in Naypyidaw, Myanmar, provides AWS Class E630-16 Electrodes designed for excellent welding performance. These electrodes are made to create precipitation-hardening stainless steel welds that have strong durability and corrosion resistance. With advanced manufacturing facilities and thorough quality checks, Kyaw Stainless ensures that every batch maintains consistent chemical composition and reliability. E630-16 electrodes are well-known for their use in critical industrial applications that require high toughness and wear resistance, reinforcing Kyaw Stainless’s status as a dependable welding consumables provider in Myanmar.

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AWS Class E630-16 Electrodes (17-4PH type) usually contain chromium (15-17%), nickel (3-5%), copper (3-5%), and niobium/columbium (0.15-0.45%), featuring a martensitic precipitation-hardening structure. Mechanical properties after heat treatment include a tensile strength of about 930 MPa, yield strength around 725 MPa, and elongation of 17%. The weld deposit shows high hardness and outstanding corrosion resistance in marine and chemical settings. These electrodes are straightforward to use and produce smooth, dense welds suitable for both structural and maintenance applications.

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

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

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

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.

AWS Class E630-16 Electrodes find extensive applications in aerospace, petrochemical, power generation, and marine industries. They are best suited for welding and repairing 17-4 PH stainless steel parts, such as turbine blades, pump shafts, valves, and pressure vessels. These electrodes ensure superior hardness and wear resistance, which make them ideal for use in applications that are subject to high mechanical stress. Furthermore, they find applications in the medical and food processing industries to create corrosion-resistant machinery that needs superior strength and dependability.

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AWS Class E630-16 Electrodes Uses

AWS Class E630-16 Electrodes are used for welding precipitation-hardening stainless steels like 17-4PH and related alloys. Common applications include turbine components, shafts, and parts in aerospace, petrochemical, and paper industries. Their high strength alongside resistance to corrosion, scaling, and impact makes them ideal for the fabrication and repair of pressure-containing equipment and mechanical parts. Post-weld aging treatment can enhance strength and toughness. These electrodes are especially valued in marine engineering and high-pressure systems where reliability, hardness, and corrosion resistance are essential.