AWS Class 21/33 Welding Wire

Conrad Welding Supplies, a well-respected manufacturer and supplier located in Houston, USA, provides top-notch AWS Class 21/33 Welding Wire, specifically designed for hardfacing applications that demand strong resistance to moderate abrasion and low to medium impact. This welding wire is perfect for prolonging the lifespan of components that face wear and friction. Renowned for its consistent arc stability and smooth metal transfer, Conra’s 21/33 Welding Wire guarantees reliable performance whether you’re working manually or with automated systems. With a robust distribution network and a commitment to quality, Conrad Welding Supplies delivers dependable and cost-effective welding solutions to various industries across the USA.

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AWS Class 21/33 Welding Wire Specification

Classification	Din 8556, 21/33
Form	MIG spools, TIG cut lengths, Reels and Coils
Type Of Welding	Inert Gas Welding
Current	MIG-DCEP / TIG-DCEN
Size	0.76 mm ∞ *4.70xmm
21/33 Welding Wire Application & uses	Petroleum Chemical plant Power sector Gas Industry Hardware tools Metallurgy Machinery Construction Shipbuilding

What is AWS Class 21/33 Welding Wire?

The AWS Class 21/33 Welding Wire is made from a medium-carbon steel base, enhanced with chromium, manganese, and silicon to achieve a balanced hardness of 21–33 HRC after welding. It offers excellent wear resistance while still maintaining good ductility and impact toughness. The wire features smooth arc characteristics, uniform deposition, and strong metallurgical bonding. Its mechanical properties enable it to withstand metal-to-metal wear and preserve surface integrity under cyclic loads, making it a versatile option for both build-up and overlay applications in medium-duty wear environments.

If You Are Looking To Buy High Quality
Electrodes and Filler Wire

We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.

AWS Class 21/33 Welding Wire Chemical Composition

C	Si	Mn	Cr	Ni	Nb
wt-%	0.12	0.2	4.8	21.8	32.5	1.2

AWS Class 21/33 Welding Wire Equivalent

Class	DIN	BOHLER	THERMANIT
21/33	8556	BOHLER CN 21/33 MN-IG	THERMANIT 21/33 SO

AWS Class 21/33 Welding Wire Mechanical Properties

Condition	Yield strength Rp0.2	Tensile strength Rm	Elongation A (L0=5d0)	Impact work ISO-V KV J
	MPa	MPa	%	+20 °C
	≥ 400	≥ 600	≥ 17	≥ 50

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Top Manufacturer and Supplier of AWS Class 21/33 Welding Wire in Houston , USA

Conrad Welding Supplies is a prominent manufacturer and supplier of top-tier AWS Class 21/33 Welding Wire in Houston , USA. We specialize in providing advanced welding solutions and offer a wide range of products, including coated electrodes, welding electrodes, flux core, MIG & TIG welding wires, SAW flux, and filler wires. Known for reliable delivery and outstanding customer service, we are committed to offering high-quality welding materials that ensure durability and optimal performance for various industrial applications. Our dedication to excellence has made us a trusted partner for all your welding needs.

Modern Equipments

Well Maintained

Expert Engineers

Efficient Factories

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AWS Class 21/33 Welding Wire Uses

You’ll find AWS Class 21/33 Welding Wire commonly used in sectors like agriculture, construction, mining, and manufacturing, where equipment parts often experience moderate wear and impact. Typical uses include hardfacing augers, crusher rolls, fan blades, mixer paddles, and agricultural tillage tools. This wire is particularly beneficial for rebuilding worn components and creating a durable surface that minimizes maintenance needs and replacement costs. Whether in a shop or out in the field, AWS Class 21/33 Welding Wire boosts equipment longevity and performance in settings where consistent, medium-duty wear resistance is crucial.

Industry We Serve

We provide high-quality electrodes, filler wire, MIG and TIG welding wires to a wide range of industries, including oil and gas, food, marine, petrochemical, power generation, and aerospace.