GB/T 3090-2020 Translated English of Chinese Standard. (GBT 3090-2020, GB/T3090-2020, GBT3090-2020): Seamless Small Diameter Stainless Steel TubesThis Standard Specifies the classification, ordering content, size, shape, weight and allowable deviation, technical requirements, test methods, inspection rules, packaging, marking and quality certificates of seamless small diameter stainless steel tubes. This Standard is applicable to aerospace, electromechanical, instrumentation components, medical needles and other general-purpose seamless stainless-steel tubes with a nominal outer diameter no greater than 6mm. |
Common terms and phrases
allowable deviation Analysis of Iron Blue Spectrophotometric Method Chemical Analysis chemical composition Clause composition of steel Content GB/T contract delivered in hard delivered in soft Delivery status Designation and Chemical diameter and nominal diameter and wall diameter no greater Edition Elongation after break Gravimetric Method greater than 1.00mm heat treatment system intergranular corrosion length and multiple Manufacturing method mechanical properties Method GB/T Methods for Chemical multiple length nominal inner diameter nominal outer diameter nominal wall thickness normal length Normative References Number Ordering Content Phosphomolybdate Blue Spectrophotometric provisions of GB/T provisions of Table purchaser Quickcold Quickcold Recommended Heat Treatment Seamless Small Diameter Small Diameter Stainless specified length Stainless Steel Tube Standard Steel and Alloy steel pipe steel tubes delivered sufficient lighting conditions supplier Technical Requirements Tensile strength Test Methods test requirements theoretical weight thickness or nominal Titration tube per meter tube shall comply tubes are delivered visually inspected Weight and Allowable Zhejiang