TP347 stainless steel pipe welding stainless steel 304 what wire?
347+304Welding wire: 1.H03Cr21Ni10Si2.H08Cr21Ni10Si3.H08Cr21Ni10Nb4.H08Cr19Ni10TiWhich is cheap and good to buy, which you use. 347 and 304 components basically consistent, that is, 347 of the ingredients, more than a Nb niobium.
You must use ER309 ER309Si stainless steel wire, because you are dissimilar steel welding
TP 347 stainless steel and 304 stainless steel belong to dissimilar metal welding, welding wire should be used: ER309 wire ER309Si.347 stainless steel belongs to the American ASTM A959-03 standards, in line with our GB / T20878-2007 standard, the equivalent of the old grade: 0Cr19Ni11Nb, grade: 06Cr18Ni11Nb.304 stainless steel belongs to the American ASTM A959-04 standards, in line with our GB / T20878-2007 standard, the equivalent of the old grade: 0Cr18Ni9, grade: 06Cr19Ni10.
