ISO 9330的本部分规定了圆形截面埋弧焊管的交货技术条件， 由具有特定低温性能的非合金或合金钢制成。这些管子是用来 当材料也用作低温管道系统的一部分时，压力用途。 应遵守适当的国际应用标准和相关国家法律法规的要求 由用户考虑。对于承压设备，可使用国际标准ISO 5730。 有关一般技术交付要求，请参见ISO 404。 注意英语单词“tube”和“pipe”是同义词。

This part of ISO 9330 specifies the technical delivery conditions for submerged arc-welded tubes of circular crosssection, made of unalloyed or alloyed steel with specified low temperature properties. These tubes are intended for pressure purposes in cases when the material is also used as part of a low temperature piping system. The requirements of appropriate international application standards and relevant national legal regulations shall be taken into account by the user. For pressure-containing equipment International Standard ISO 5730 is available. For the general technical delivery requirements, see ISO 404. NOTE The English words "tube" and "pipe" are synonymous.