alloy-seamless-steel-square-pipe-625 is an austenitic stainless steel grade. The astm b729 uns n08020 pipe is specifically designed to be used for applications that involve the use of sulfuric acid.The reason for its resistance to sulphuric acid is the addition of copper in its alloy.
Specification Format of alloy-seamless-steel-square-pipe-625
| ASTM Specification | ASTM B464/ASME SB464 ASTM B729/ASME SB729 |
|---|---|
| International Specification | Werstoff 2.4660, FeMi35Cr20Cu4Mo2 |
| Standard | AMS, JIS, NF, DIN, ASTM, AISI, SAE, GB, DS, EN, ASME, TOCT, DTD |
| Size of Welded Pipe | 5.0 to 1219.02 milimeter |
| Size of Seamless Pipe | Wall thickness.: 0.05- 20 milimeter, 4 - 219 milimeter |
| Seamless Tube Size | 3.35 milimeter To 101.6 milimeter OD |
| size of EFW Pipe | 5.0 to 1219.02 milimeter |
| Welded Tube Size | 6.35 milimeter To 152 milimeter OD |
| Tubing wall thickness | 0.020" –0.220", (custom wall thicknesses available) |
| Bwg & Swg | 18 Swg., 14Swg., 20 Swg., 12 Swg., 16 Swg., 10 Swg. |
Since the alloy has good resistance to corrosion, the alloy-seamless-steel-square-pipe-625 finds applications in fields such as chemical, power generation, petrochemical, and plastics industries as well. In comparison to its austenitic counterpart stainless steel grade 304, the alloy-seamless-steel-square-pipe-625 has better resistance properties with regards to pitting and chloride ion corrosion.
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