Ống Thép Đen Phi 21 DN15 Tiêu Chuẩn, Chất Lượng Cao
This product is a black welded steel pipe with an outer diameter of approximately 21.2 to 21.3mm, suitable for various technical and construction applications.
- The product is made from steel grades such as SS400, A333, A106, S76, and others.
- It meets standards like ASTM A53, ASTM A105, API 5L, JIS, and TCVN.
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