2020年8月3日 — ASTM A53 seamless steel pipe refers to a foreign standard steel pipe grade, that is, the American standard grade. A53-F corresponds to China's...
2020年9月22日 — In some country at least in United States, usually ASTM A53 is for welded pipe while ASTM A106 is for seamless pipe. And if client asked for...
2024年6月17日 — A53 is usually for defining welded pipe, while A106 is for seamless. If you ask for A53, suppliers will also quote A106 or API 5L as an...
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