NON-ALLOY STEEL TUBES SUITABLE FOR WELDING AND THREADING - TECHNICAL DELIVERY CONDITIONS
出版:Belgian Standards
专家解读视频
Describes the requirements for circular non-alloy steel tubes suitable for welding and threading and provides a number of options for the finish of tube ends and coatings.
NBN A 25 104 : 1979
NBN A 25 103 : 1979
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