Seamless ultra-thin wall stainless steel tubes
1 Scope
This standard specifies the order contents, dimensions, shapes and weights, technical requirements, test methods, inspection rules, and packaging, marking and quality certificate of seamless ultra-thin wall stainless steel tubes.
This standard is applicable to spinning or cold rolling (drawing) of seamless ultra-thin wall stainless steel tubes (hereinafter referred to as steel tube).
2 Normative references
The following documents are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.11 Iron steel and alloy—Determination of chromium content—Visual titration or potentiometric titration method
GB/T 223.25 Methods for chemical analysis of iron, steel and alloy—The dimethylglyoxime gravimetric method for the determination of nickel content
GB/T 223.28 Methods for chemical analysis of iron steel and alloy—The α-benzoinoxime gravimetric method for the determination of molybdenum content
GB/T 223.59 Iron, steel and alloy—Determination of phosphorus content—Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method
GB/T 223.60 Methods for chemical analysis of iron, steel and alloy—The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.63 Methods for chemical analysis of iron, steel and alloy—The sodium (potassium) periodate photometric method for the determination of manganese content
GB/T 223.84 Steel and alloy—Determination of titanium content—Diantipyrylmethane spectrophotometric method
GB/T 223.85 Steel and iron—Determination of sulfur content—Infrared absorption method after combustion in an induction furnace
GB/T 223.86 Steel and iron—Determination of total carbon content—Infrared absorption method after combustion in an induction furnace
GB/T 228.1 Metallic materials—Tensile testing—Part 1: Method of test at room temperature
GB/T 2102 Acceptance packing marking and quality certification of steel pipe
GB/T 2975 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing
GB/T 4334-2020 Corrosion of metals and alloys—Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels
GB/T 10561-2005 Steel—Determination of content of nonmetallic inclusions—Micrographic method using standards diagrams
GB/T 11170 Stainless steel—Determination of multi-element contents—Spark discharge atomic emission spectrometric method (routine method)
GB/T 20066 Steel and iron—Sampling and preparation of samples for the determination of chemical composition
GB/T 20123 Steel and iron—Determination of total carbon and sulfur content—Infrared absorption method after combustion in an induction furnace (routine method)
3 Order contents
Foreword i
1 Scope
2 Normative references
3 Order contents
4 Dimensions, shape, weight and permissible tolerances
5 Technical requirements
6 Test methods
7 Inspection rules
8 Packaging, marking and quality certificate
