《中華民國熱浸鍍鋅協會》留言板 ASTM A446 G90 的規範已更改為ASTM A653 / A653M 詳細內容請自行上網 .... 本人經管工程內容須要如此規格之鋼管,但承包廠商找不到 可達成膜厚要求之熱浸鍍 ...
《中華民國熱浸鍍鋅協會》各國鍍鋅規範 (三) 美國ASTM 規範. 1. A 53. Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated Welded and Seamless 黑皮與熱浸鍍鋅有縫及無縫鋼管 ...
ASTM A53 / A53M - 12 Standard Specification for Pipe, Steel, Black ... This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1/8 to NPS 26. The steel categorized in this standard must be ...