ASTM A269 tube wani nau'in tube ne, saman yana da kyau sosai, tsawon yana da tsayi sosai, tsayin zai iya zama har zuwa 4000M / naɗa ba tare da wani welded ba, uasage: na iya zama wanda galibi ana amfani dashi a cikin man fetur, iskar gas, sinadarai. masana'antu, shipbuilding da sauran masana'antu. Karfe tube abu: 316L ...
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