美国泰克罗伊镍基焊丝Techalloy 99/ERNiCr镍基合金焊丝

　　镍和镍基合金焊丝

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　　镍和镍基合金焊条

　　tech-rod 55 (awsa5.15 enife-cl) tech-rod 99 (aws a5.15 eni-cl) tech-rod 112 (aws a5.11 enicrmo-3) tech-rod 117 (aws a5.11 enicrcomo-1) tech-rod 122 (aws a5.11 enicrmo-10) tech-rod 135 (aws无对应) tech-rod 141 (aws a5.11 eni-1) tech-rod 182 (aws a5.11 enicrfe-3) tech-rod 187 (aws a5.6 ecuni) tech-rod 190 (aws a5.11 enicu-7) tech-rod 276 (aws a5.11 enicrmo-4) tech-rod weld a(aws a5.11 enicrfe-2)

　　AWS A5.15 ERNi-CI

　　UNS N02215

　　CWB

　　Techalloy® 99 is used for welding of cast irons to other cast irons as well as for joining cast irons to mild steels and

　　stainless steels. It is also readily used for the repair of castings. The welds produced are generally more machinable than

　　a Tech-Rod® 55 deposit. A preheat and inter-pass temperature of not less than 350°F (175°C) is required during welding

　　to prevent cracking.

　　DEPOSIT COMPOSITION

　　%C %Mn %Si %S %Fe

　　Requirements

　　AWS ERNi-CI 2.0 max. 2.5 max. 4.0 max. 0.03 max. 8.0 max.

　　Typical Performance

　　Techalloy® 99 0.003 0.07 0.09 0.001 0.1

　　%Ni %Cu %Al %Other

　　Requirements

　　AWS ERNi-CI 85 min. 2.5 max. 1.0 max. 1.0 max.

　　Typical Performance

　　Techalloy® 99 99 0.02 0.1