美国泰克罗伊Tech-Rod 320LR不锈钢焊条 进口电焊条3.2 4.0mm原装

不锈钢焊条 Tech-Rod 308/308L (AWS A5.4 E308L-16) (AWS A5.4 E308L-17) Tech-Rod 309/309L (AWS A5.4 E309L-16) (AWS A5.4 E309L-17) Tech-Rod 310 (AWS A5.4 E310-16) Tech-Rod 312 (AWS A5.4 E312-16) Tech-Rod 316/316L (AWS A5.4 E316L-16) (AWS A5.4 E316-17) Tech-Rod 317L (AWS A5.4 E317L-16) Tech-Rod 320 (AWS A5.4 E320-16) Tech-Rod 320LR (AWS A5.4 E320LR-16) Tech-Rod 330 (AWS A5.4 E330-16) Tech-Rod 347 (AWS A5.4 E347-16) Tech-Rod 385 (AWS A5.4 E385-16) Tech-Rod 410 (AWS A5.4 E410-16) Tech-Rod 410NiMo (AWS A5.4 E410NiMo-16) Tech-Rod 430 (AWS A5.4 E430-16) Tech-Rod 630 (AWS A5.4 E630-16) Tech-Rod 2209 (AWS A5.4 E2209-16) (Duplex Grade) Tech-Rod Weld-All (AWS无对应) Tech-Rod 2594 (AWS无对应)