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TIG Stainless alloys

Below are the most common alloys for welding stainless steel. We also have more unusual like 317L, 320, 410, 410NiMo, 430. Ask us for more information.

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Meltolit 307Si

Tig wire for difficult welded steels and stainless steels against regular steels. Joining and hardsurfacing parts, buffer layers before hardfacing to avoid cracks and welding tool steels, manganese steels etc.

Meltolit 308LSi

Tig wire suitable for welding stainless steels with an alloy content between 16 to 21% Cr and 8 to 13% Ni, stabilised or not. Service temperatures are typically -196°C to about 400°C.

Meltolit 309LSi

Tig wire for welding stainless steels of similar composition or ferritic stainless steels.
Joining stainless steels to mild and low-alloyed steels. Rebuilding and buffering before cladding or hardfacing. Maintenance on « hard-to-weld steels ». Examples: Dissimilar welds between stainless steels type 304, 304L, 316, 316L, 318, 316Ti, 321, 410 or ferritic stainless steels type 1.4713, 1.4724, 1.4742, 3Cr12, to non or low alloyed CMn steels, for service temperatures up to 400°C.

Meltolit 309LMo

Tig wire for welding stainless steels of similar composition or ferritic stainless steels.
Joining stainless steels to mild and low-alloyed steels. Rebuilding and buffering before cladding or hardfacing. Maintenance on « hard-to-weld steels ». Examples: Dissimilar welds between stainless steels type 304, 304L, 316, 316L, 318, 316Ti, 321, 410 or ferritic stainless steels type 1.4713, 1.4724, 1.4742, 3Cr12, to non or low alloyed CMn steels, for service temperatures up to 400°C.

Meltolit 310

Tig wire resistant to oxidation and scaling up to 1100°C. It is suitable for welding cast or wrought stainless steels of similar composition and heat resistant ferritic stainless steels.

Meltolit 253

Stainless tig wire used when welding extra heat resistant steels such as 309(S30900), AVESTA 153MA(S30415) and AVESTA 253MA(S30815). The wire has a scaling resistance of over 1000°C and is very resistant to sulfur attacks.

Meltolit 312

Tig wire with high alloy content and high ferrite ratio which allow it to benefit from extreme tolerance to hot cracking and to dilution with a wide range of base materials. Preheat can often be avoided or minimised.
The weld deposit workhardens and gives good wear and friction resistance. Examples: Welding stainless steels of similar composition or ferritic stainless steels. Joining stainless steels to mild and low-alloyed steels. Buffer layers before hardsurfacing. Maintenance on « hard-to-weld steels ». Welding high carbon hardenable steels, of known or unknown composition and generally most of steels subject to cracking such as tool steels, manganese steels, spring steels and high-speed steels.

Meltolit 316L

Tig wire suitable for welding stainless steels with an alloy content between 16 to 21% Cr, 6 to 13% Ni and up to 3% Mo, stabilised and unstabilised types. Service temperatures are typically -110°C to about 400°C.

Meltolit 316LSi

Tig wire suitable for welding stainless steels with an alloy content between 16 to 21% Cr, 6 to 13% Ni and up to 3% Mo, stabilised and unstabilised types. Service temperatures are typically -110°C to about 400°C. Additional Si for increased fluidity.

Meltolit 317L

For austenitic stainless steels with an increase of Mo compared to 316L that increases the pitting resistance. Used for marine applications, paper and pulp, chemical industry etc.

Meltolit 318

Tig wire suitable for welding stabilised stainless steels with alloy content between 16 - 21% Cr, 6 -13% Ni and up to 3% Mo. It is also used for corrosion resistant weld overlays.

Meltolit 347

Tig wire suitable for welding stabilised stainless steels exposed to high temperatures containing 16 to 21% Cr and 8 to 13% Ni.

Meltolit 385 (904L)

For welding fully austenitic steels with low carbon. Very good corrosion resistance against acid. Typical applications: tanks, pipe systems, off shore etc that need to withstand phosphorus, sulphate and other similar environments.

Meltolit 409

For welding of ferritic 12%Cr-steels like 409 or 409Ti. Addition of Nb enhances the corrosion protection and encourage a ferritic microstructure. For best result it need to be welded with low heat input and is not recommended for multi strings.

Meltolit 410

Used for welding of martenitic and ferritic 13% Cr-steels like 410, 420, 403, 405 or 416. Used for hardfacing where protection against suplphurous up to 900°C, steam, erosion and abrasion is necessary. The alloy has a higher deposit and used with benefit in valves, turbine parts, pipings in refineries.

Meltolit 410NiMo

Used for welding of martenitic and ferritic 13% Cr 0,5%Mo-steels like 410NiMo. Used for hardfacing against cavitation, steam and corrosion. Used with benefit in valves, turbine parts, pipings in refineries.

Meltolit 420

Similar to 410 but with higher Cr and carbon for hardfacing applications.

Meltolit 430 (Nb,Ti)

Ferritic stainless alloy with hogh ductile properties on heat treated condition. For welding of similar alloys, hardfacing and also for wire spray applications. Exists with an addition of NB or Ti for automotive industry and exhaust pipe manufacturing.

Meltolit 630 (17/4-PH)

Consumables used to weld similar composition such as 17-4 and 17-7 steels. Can be used in welded condition or may be heat treated to obtain higher strenght.

Meltolit Duplex (2209)

Stainless steel tig wire for welding wrought, forged or cast duplex stainless steels for service in the as-welded condition
Heterogeneous welding between duplex stainless steels and other stainless and mild or low alloyed steels.

Meltolit Super-Duplex (25.9.4)

Stainless steel tig wire for welding wrought, forged or cast duplex stainless steels for service in the as-welded condition
Heterogeneous welding between duplex stainless steels and other stainless and mild or low alloyed steels. Especially produced for position welding.