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309 When frequent thermal cycling is involved, the alloy is resistant to about 1850°F. The high chromium and relatively low nickel content of 309 provide good resistance to high temperature sulfur bearing atmospheres. 309 has only moderate resistance to carbon absorption and is not suggested for use in highly carburizing atmospheres.
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Mar 27, 2012 · Like anything in welding it always comes back to reading the puddle. By 803056 Date 03-28-2012 03:58 I suggest 309-15 for all position welding. Use the low end of the amperage range and remove all slag between each pass. The beads will be very convex, it is the nature of the flux covering.
Video shows tig welding stainless to carbon steel using 309 tig rod and a Furick #12 cup 309 Tig rod for welding stainless to carbon and high strength steel 309 Tig Rod was designed to weld stainless steel to carbon steel and still have a strong ductile weld that can hold up to heating and cooling cycles.
THe local welding supply house said it's a "problem" to use 309 on ss to ss welds, but could not say why or give me any good reason besides teh coloration of the beads.. Are there any pros or cons to using 309 solely for stainless welds? If the project is pure stainless i usually use 308 , but when practicing or making something that uses SS , best 304l chemical resistance
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Rutile basic electrode for welding stainless steels and dissimilar steels. applications Joining heat resistant CrNi-steels of the same kind and also joining dissimilar metals such as steel to stainless steel.
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Grade 309S stainless steel is unresponsive to heat treatment. The hardness and strength of the steel can be increased through cold working. Applications. The following are the major applications of grade 309S stainless steel: Oven linings ; Boiler baffles ; Fire box sheets ; Furnace components ; Other high temperature containers.
STAINLESS Filler Metal Selector Guide AISI TYPE NUMBER 442 446 430F 430 FSE 430 431 501 502 416 416 SE 403 405 410 420 414 321 348 347 317 316L 316 314 310 310S 309 309S
For welding stainless steel to mild steel and root passes in clad steel Applicable for root passes in N alloyed AISI 304LN steels Excellent weldability and self releasing slag High resistance to embrittlement Weldable on AC and DC+ polarity Also available in vacuum sealed Sahara ReadyPack® (SRP) Also available in vacuum sealed Sahara ReadyPack® (SRP)
They are the ones who know what gasses work best with the base metal and filler wire chosen. Some electrodes have specific shielding gas needs and the manufactures are the ones that keep the welding supply stores up to date on what combinations work best. Most Commonly Used Stainless Steel MIG Welding Electrode and Gas Mix
Austenitic stainless steels can be welded with all the commercially available welding processes. There are matching filler metals available for most of the austenitic range of alloys, the exceptions being that there is no type 304 filler metal available (this alloy is generally welded with type 308 filler metal) and no type 321 filler due to the problems of transferring titanium across the arc.
AISI 309S stainless steel is an austenitic stainless steel formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. 309S is the AISI designation for this material. S30908 is the UNS number. It has a moderately low tensile strength among the wrought austenitic stainless steels in the database.
309S (UNS S30908) is the low carbon version of the alloy. It is utilized for ease of fabrication. 309H (UNS S30909) is a high carbon modification developed for enhanced creep resistance. It most instances the grain size and carbon content of the plate can meet both the 309S and 309H requirements.
Stainless Steel ER 309 / ER 309L AircraftMaterialsUK, best 304l chemical resistance Ltd +44 (0)1494 484844 - Global Supplier of European and U.S. Alloys
E309-16 is primarily intended for welding heat resistant austenitic Chromium-Nickel steels of similar analysis such as AISI 309 or 309S. Also suitable for joining dissimilar metals such as 18Cr-8Ni stainless steel to mild steel and welding clad surfaces of steel.
Application ER309L has the same qualities as ER309 but with the lower carbon content deemed necessary in many chemical applications. ER309L is preferred over ER309 for cladding over carbon or low alloy steels, or dissimilar joints that are heat treated.
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Technical Data Sheet 309L Welding Rod and Wire Overview 309L is an austenitic stainless steel used to weld base metal of similar composition and 300 Series stainless to carbon or low alloy steels, and also the low carbon grades of stainless. The low carbon reduces carbide precipitation. (Tri-mix gas = 90% He + 7.5% Ar + 2.5% CO 2)
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ER308L (including ER308LSi) is predominately used on austenitic stainless steels, such as types 301, 302, 304, 305 and cast alloys CF-8 and CF-3.For high temperature applications such as in the electrical power industry, the high carbon 308H electrode provides better creep resistance than does 308L.