Tech-Rod308/308L(AWSA5.4E308L-16)(AWSA5.4E308L-17)?Tech-Rod309/309L(AWSA5.4E309L-16)(AWSA5.4E309L-17)?Tech-Rod310(AWSA5.4E310-16)?Tech-Rod312(AWSA5.4E312-16)?Tech-Rod316/316L(AWSA5.4E316L-16)(AWSA5.4E316-17)?Tech-Rod317L(AWSA5.4E317L-16)?Tech-Rod320(AWSA5.4E320-16)?Tech-Rod320LR(AWSA5.4E320LR-16)?Tech-Rod330(AWSA5.4E330-16)?Tech-Rod347(AWSA5.4E347-16)?Tech-Rod385(AWSA5.4E385-16)?Tech-Rod410(AWSA5.4E410-16)?Tech-Rod410NiMo(AWSA5.4E410NiMo-16)?Tech-Rod430(AWSA5.4E430-16)?Tech-Rod630(AWSA5.4E630-16)?Tech-Rod2209(AWSA5.4E2209-16)(DuplexGrade)?Tech-RodWeld-All(AWS无对应)?Tech-Rod2594(AWS无对应))