AWS Class ER420 Mig and Tig Filler Welding Wire and Rod

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Khaled Stainless, based in Cairo, specializes in providing AWS Class ER420 MIG and TIG filler wire and rod, designed specifically for heavy-duty surfacing and high-strength stainless overlays. Each product is manufactured under rigorous quality control and comes with traceable certificates (AWS/ASME when necessary), ensuring that their ER420 stock offers consistent deposit chemistry and reliable spool/rod dimensions for industrial fabricators. This product is perfect for those who require wear-resistant, hardenable stainless deposits that can be air-hardened or tempered through post-weld heat treatment. Available in standard diameters for GMAW and GTAW, Khaled Stainless also offers technical support for selection, preheat/heat treatment guidance, and quick local delivery throughout Egypt and to export markets.

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ER420 is a high-carbon, chromium-rich stainless filler with a typical deposited analysis of Cr ≈12–14%, C ≈0.25–0.40%, Si ≤0.5%, Mn ≤0.6%, Ni ≤0.6%, and Mo ≤0.75%, while keeping P/S levels low. Thanks to its air- or heat-treatable nature, the deposited weld metal can achieve impressive strengths, with tensile figures often reported in the range of 830–1000 MPa (120,000–145,000 psi) and yield strengths typically several hundred MPa lower. Elongation can vary between 30–45%, depending on the welding parameters and heat treatment applied. The mechanical performance is highly influenced by the welding process and post-weld heat treatment.

AWS Class ER420 Mig and Tig Filler Welding Wire and Rod Specifications

Classification	AWS A5.9, ER420
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 ER420 MIG & TIG Filler Metal Application & uses	Hardware tools Metallurgy Machinery Construction Shipbuilding Petroleum Chemical plant Power sector Gas Industry

AWS Class ER420 Mig and Tig Filler Welding Wire and Rod Chemical Composition

C	Cr	Ni	Mo	Mn	Si	P	S	Cu
0.03	19.5-22.0	9.0-11.0	0.75	1.0-2.5	0.65-1.00	0.03	0.03	0.75

AWS Class ER420 Mig and Tig Filler Welding Wire and Rod Mechanical Properties

Tensile Strength (psi)	86,000 psi (593 MPa)
Yield Strength (psi)	57,000 psi (393 MPa)
Elongation (%)	42%

We offer These Products as per DIN, ISO, JIS or ANSI Standard.

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Why Choose AWS Class ER420 MIG and TIG Filler Welding Wire and Rod from Khaled Stainless?

Largest Inventory

Customer Support

On Time Deliveries

ISO Certified

Types of AWS Class ER420 MIG and TIG Filler Welding Wire and Rod

Stainless Steel ER420 MIG Filler Wire

ER420 MIG filler wire offers high hardness and wear resistance, ideal for welding martensitic stainless steels in applications requiring durable and abrasion-resistant joints under high stress.

Stainless Steel ER420 TIG Filler Wire

ER420 TIG filler wire provides excellent hardness and wear resistance, suitable for welding martensitic stainless steels, ensuring strong, durable welds in high-stress and abrasive environments.

Stainless Steel ER420 TIG Filler Rod

ER420 TIG filler rod delivers superior hardness and abrasion resistance, perfect for welding martensitic stainless steels in applications demanding high strength, durability, and performance under extreme conditions.

We guarantee the highest quality of our AWS Class ER420 MIG and TIG Filler Welding Wire and Rod through thorough in-house testing and inspection. Our team conducts rigorous evaluations to confirm the product’s performance, strength, and durability in various conditions. We are committed to on time and efficient delivery. Guaranteeing our clients receive their orders on time. This approach guarantees that every product meets the expectations of our customers without any delays.

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AWS Class ER420 MIG and TIG Filler Welding Wires and Rods Uses

ER420 filler wires and rods are ideal for applications requiring hard, wear-resistant stainless deposits. They are commonly used for overlay surfacing on sleeves, wear plates, pump and valve components, furnace parts, and tooling that faces abrasion or moderate corrosion. This filler is frequently found in industries like power generation, heavy engineering, sugar and cement production, and refineries, where it’s used to overlay carbon steels or rebuild worn components. Since the deposits can be hardened, ER420 is the go-to choice when both abrasion resistance and stability at elevated temperatures are essential. Proper practices include controlling preheat/interpass temperatures and post-weld heat treatment to ensure optimal performance.