Common Materials for Valve Trims
Common Trim Materials
Item | Stem | Disc | Seat | ||
Sealing | welding rod | Sealing | welding rod | ||
1# | 13Cr/ 2Cr13 | 13Cr | D507 | 13Cr | D577 |
2# | SS 304 | SS 304 | TS-308(A102) | SS 304 | TS-308（A102） |
3# | 25-20Cr-Ni | 25-20Cr-Ni | E310(A402) | 25-20Cr-Ni | E310(A402) |
4# | 13Cr | Hard 13Cr | Stellite6 | Hard 13Cr | Stellite6 |
5# | 13Cr | STL | Stellite6 | STL | Stellite6 |
6# | 13Cr | 13Cr | D507 | Monel | Ni207 |
7# | 13Cr | 13Cr | D507 | Hard 13Cr | Stellite6 |
8# | 13Cr | 13Cr | D507 | STL | Stellite6 |
9# | Monel | Monel | Ni207 | Monel | Ni207 |
10# | SS 316 | SS 316 | TS-316(A202) | SS 316 | TS-316(A202) |
11# | Monel | STL/Monel | Stellite6/Ni207 | Monel/STL | Ni207/Stellite6 |
12# | SS 316 | SS 316 | TS-316(A202) | STL | Stellite6 |
13# | Alloy(20) | Alloy(20) | 20 alloy welding wire | Alloy(20) | 20 alloy welding wire |
14# | Alloy(20) | Alloy(20)/STL | 20 alloy welding wire /Stellite6 | STL/ Alloy(20) | Stellite6/20 alloy welding wire |
1, D507 welding rod is selected for defect repair welding of carbon steel castings (WCA, WCB, WCC, LCB, etc.). | |||||
2, For defect repair welding of stainless steel castings, CF8 selects A102 electrode; CF8M adopts A202 welding rod; A202 is selected for cf3m and CF3, A132 electrode is selected for cf8c. | |||||
3, A102 electrode shall be selected for defect repair welding of high temperature steel castings (wc6, wc9, C5, etc.). | |||||
4, CA15 is the casting grade of alloy steel 13Cr. | |||||
5, No. 1 internals: 13Cr; 2 internals: 304; No. 5 internals: Double Stellite; 8 internals: single Stellite. | |||||
