天泰TGS-317L焊丝TGS-317LMIG-317LER317LH00Cr20Ni12Mo3568420.0231.760.4019.6013.683.63-低C-18Cr-12Ni-3.5Mo钢用。TGS-318MIG-318ER318615370.0601.840.4919.0011.362.52Nb0.6618Cr-12Ni-2.5Mo-Ti钢用。TGS-347MIG-347ER347H0Cr20Ni10Nb627410.0301.610.4120.379.90-Nb0.8018Cr-9Ni-Ti钢用。)