| Alloy | Description |
9015-B9
90SB-9 | Arcos 9015-B9 and 90SB-9 for welding higher chromium alloyed 9CrMoNbV Steel (P91) used in piping systems where elevated temperatures and pressures are required. |
| 16-8-2 | Arcos 16-8-2 is primarily used for welding stainless steel, such as Types 16/8/2, 316 and 347, for high pressure piping systems. |
| 25/35R | Arcos 25/35R is used for welding centrifugal cast stainless tubes and pipe of HP, HP-45 High Alloy and equivalent of similar grades of Iron-Chromium-Nickel heat cast alloys. |
| 308 | Arcos 308 is designed for welding grades of similar chemical composition alloys in wrought or cast form, such as AISI Types 301, 302, 304 and 305. |
| 309 | Arcos 309 is commonly used for welding similar alloys in wrought or cast form and for welding dissimilar metals. |
| 310 | Arcos 310 is used to weld stainless steel of similar composition in cast or wrought form. |
| 310HC | Arcos 310HC is used primarily for welding or repairing high alloy heat and corrosion resistant castings of the same general composition which are designated as Type HK by the Alloy Casting Institute. |
| 312 | Arcos 312 to weld cast alloys of similar composition and dissimilar metals. |
| 316 | Arcos 316 is commonly used for welding Type 316 and similar chemical composition alloys in wrought or cast form. |
| 317L | Arcos 317L is used for welding alloys of similar composition and are utilized in severely corrosive environments. |
| 320 | Arcos 320 for welding Carpenter 20Cb-3* type stainless steels. |
| 320LR | Arcos 320LR is primarily used for welding Carpenter 20Cb-3* type stainless steels. |
| 330 | Arcos 330 is used where heat and scale resisting properties above 1800F (980C) are required. |
| 330HC | Arcos 330HC is used primarily for the welding and repairing of high alloy heat and corrosion resistant castings of the same general composition which are designated HT by the Alloy Castings Institute. |
| 347 | Arcos 347 is used for welding grades of similar chemical composition such as 302, 304, 321 and 347. |
| 409Cb | Arcos 409Cb for 409 and 18CrCb steel exhaust systems has a chrome enriched ferritic microstructure. It is used on heat and corrosion resistant steels of similar composition. |
| 410 | Arcos 410 common application is for welding alloys of similar composition. |
| 410NiMo | Arcos 410NiMo is used for welding ASTM CA6NM castings as well as type 410,410S and 405 base metals. |
| 430LCb | Arcos 430LCb is used for automotive stainless steel exhaust systems. Superior corrosion characteristics and resistance to cracking are major advantages of this alloy. |
| 439Ti | Arcos 439Ti is commonly used for welding for 409, 439, 18CrCb and carbon steel exhaust systems and a variety of applications in the power generation, petroleum refining and chemical process industries. |
