Tektronix Roy Tech-Rod 2209 stainless steel electrode Grades typical chemical composition, characteristics and uses% / AWS standard C Mn Si Cr Ni Mo Other Tech-Rod 2209 / E2209-16 0.02 1.65 0.52 22.4 8.9 3.3 0.16N welding class UNS N31803 22% Cr duplex steel, high strength, corrosion resistance to seawater Tech-Rod 2594 0.02 1.00 1.00 25.5 9.25 3.0 0.25N, 0.50Cu welding 25% Cr Super Duplex steel, such as 2507, Z100 and cast super duplex steel. greater corrosion resistance than the dual-phase steel. Tech-Rod 308L / E308L-16 0.03 1.65 0.43 19.4 9.3 308 ultra-low carbon, reducing the possibility of corrosion and intergranular carbide precipitation, low temperature toughness. suitable for cryogenic applications. Tech -Rod 309L / E319L-16 0.035 1.58 0.53 23.45 12.6 309 ultra-low carbon, resistance to intergranular corrosion than 309. Tech-Rod 309Cb in the composite layer welding and welding of dissimilar material joints need heat / E309Cb-16 0.08 1.65 0.56 23.1 12.9 0.79 (Nb + Ti) and niobium-stabilized 309, resistance to intergranular corrosion. Welding 304,321,347 composite panels. high temperature strength than 309 Tech-Rod 310 / E310-16 0.11 1.9 0.52 26.2 20.95 Casting welding alloys with state and also for welding different materials. fully austenitic weld metal, heat input is lower Tech-Rod 310HC / E310HC-16 0.41 2.15 0.52 26.25 21.4 HK grade heat-resistant cast alloy welding and steel and petrochemical temperature applications Tech-Rod 312 / E312-16 0.12 1.80 0.56 29.3 9.4 29/9 alloys. Excellent different materials welding materials. welding high carbon steel can be hardened shaft, gear, tools, and other difficult to weld materials but also for hardfacing. Tech-Rod 316L / E316L- 16 / -17 18.7 0.035 1.75 0.52 12.65 2.30 for resistance to ultra-low carbon type 316. sulfide liquid at room temperature and corrosive compounds. not for high temperature above 400 ℃. Tech-Rod 317L / E317L-16 0.035 1.65 0.55 18.75 13.0 3.4 welding 317,318,316,316L, 18 / 8Mo and 16.8.2 grade steel. resistant to most organic and inorganic acids. Chlorine solvent resistance to pitting. Tech-Rod 320 / E320-16 0.04 1.95 0.52 20.1 33.75 3.55Cu, 0.72 (Nb + Ta ) solder alloys Casting 20, 20Cb- steel. resistance to sulfuric acid, other mineral acids, organic acids, etc. for metal pickling, chemical processes, etc.. Tech-Rod 320LR / E320LR-16 0.024 2.05 0.24 19.8 33.9 2.4 3.55Cu , 0.27 (Nb + Ta) is similar to 320, the component C, Si P, S control to limit and control the niobium control manganese thermal cracking and microcracks. Tech-Rod 330 / E330-16 0.21 1.9 0.48 15.45 33.4 330 stainless steel welding Casting material composition and similar high strength, heat resistance. Since the skin temperature of 980 ℃. for the heat treatment industry components, etc.