{"product_id":"schweissdraht-mtc-mt-4820-1-4820","title":"Welding wire MTC MT-4820 1.4820","description":"\u003ch1\u003eWelding Wire MTC MT-4820 1.4820\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e**MT‑4820 – MIG wire electrode made of ferritic-austenitic chromium-nickel steel**  \u003cbr\u003e*Heat resistant up to +1100 °C, scale and sulfur resistant – ideal for welding high-temperature resistant steels*  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e### Product Overview  \u003cbr\u003eThe MIG wire MT‑4820 is specially designed for MAG welding (MIG) of ferritic-austenitic, heat-resistant steels. It combines high mechanical strength with outstanding resistance to scale, oxidation, and sulfur-containing furnace gases – even at temperatures up to +1100 °C.  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e## Technical Specifications (Approximate Values)\u003c\/p\u003e\n\u003cp\u003e| **Parameter** | **Value** | **Unit** |\u003cbr\u003e|---------------|----------|------------|\u003cbr\u003e| 0.2% Yield Strength (Rp0.2) | 450 | MPa |\u003cbr\u003e| Tensile Strength (Rm) | 650 | MPa |\u003cbr\u003e| Elongation at Break (A5) | 15 | % |\u003cbr\u003e| Impact Strength (AV) | 50 | J |\u003cbr\u003e| Shielding Gas (MIG) | **M 11** | – |\u003cbr\u003e| Microstructure | Ferrite-Austenite | – |\u003cbr\u003e| Chemical Composition (in %) | C 0.10 % · Si 0.6 % · Mn 1.0-2.5 % · Cr 24-27 % · Ni 4-6 % | – |\u003c\/p\u003e\n\u003cp\u003e**Standard:** EN ISO 14343‑A (G\/W 25 4) – Material Number 1.4820  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e## Areas of Application \u0026amp; Welding Positions  \u003c\/p\u003e\n\u003cp\u003e| **Process** | **Permissible Positions (according to DIN EN ISO 6947)** |\u003cbr\u003e|---------------|-----------------------------------------------|\u003cbr\u003e| MIG (MAG) | **PA, PB, PF** (Flat, Vertical and Overhead Welding Position) |\u003c\/p\u003e\n\u003cp\u003e*Recommended Practice*  \u003cbr\u003e- **Joint Welds** on similar, heat-resistant steels: MT‑4820 provides a stable root pass.  \u003cbr\u003e- **Cover Passes**: Due to the chemical resistance of the wire, the notch toughness and deformability of the top layer are maximized.  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e## Advantages at a Glance  \u003c\/p\u003e\n\u003cp\u003e- **Heat resistance up to +1100 °C** – no degradation of welding properties at high operating temperatures.  \u003cbr\u003e- **Scale and oxidation protection** – reduces post-processing and increases weld life.  \u003cbr\u003e- **Resistance to sulfur-containing furnace gases** – ideal for welding in aggressive environments.  \u003cbr\u003e- **High mechanical quality** (Rm 650 MPa, AV 50 J) – guarantees durable and long-lasting connections.  \u003cbr\u003e- **Usable in all common MIG positions (PA, PB, PF)** – flexible application in manufacturing and service.  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e## Packaging \u0026amp; Size Information  \u003c\/p\u003e\n\u003cp\u003e| Diameter | Spool | Package Content |\u003cbr\u003e|-------------|-------|------------|\u003cbr\u003e| **1.00 mm** | K300 | 15.0 kg |\u003cbr\u003e| **1.20 mm** | K300 | 15.0 kg |\u003c\/p\u003e\n\u003cp\u003eEach package is hermetically sealed to prevent contamination and ensure the quality of the weld material.  \u003c\/p\u003e\n\u003cp\u003e---  \u003c\/p\u003e\n\u003cp\u003e## Special Notes  \u003c\/p\u003e\n\u003cp\u003e- The wire is heat and scale resistant **up to +1100 °C** and resistant to reducing, sulfur-containing furnace gases.  \u003cbr\u003e- For **cover passes**, MT‑4820 is recommended because its chemical resistance increases notch toughness and reduces post-processing effort.  \u003cbr\u003e- For **joint welds**, austenitic additives (e.g., MT‑309, MT‑310) can be used to further optimize welding properties.  \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"MTC","offers":[{"title":"1.0 mm K300 15 kg Spool","offer_id":52502312812810,"sku":"7048201003","price":491.58,"currency_code":"EUR","in_stock":true},{"title":"1.2 mm K300 15 kg spool","offer_id":52502312845578,"sku":null,"price":481.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0538\/6295\/7252\/products\/mtc-schweissdraht-schweissdraht-mtc-mt-316lsi-1-4430-bs300-15kg-spule-29889652064452.png?v=1637737767","url":"https:\/\/primewelding.de\/en\/products\/schweissdraht-mtc-mt-4820-1-4820","provider":"PrimeWelding","version":"1.0","type":"link"}