This standard specifies the size, shape, weight, technical requirements, test methods, inspection rules, packaging, marks and quality certificates of stainless steel ultra-thin-wall seamless steel pipes. This standard applies to spinning or cold-rolling stainless steel very thin-walled seamless steel tubes.
GB/T 3089-2008 Referenced Document
GB/T 10610 Geometrical Product Specifications(GPS)Surface texture:Profile method.Rules and procedures for the assessment of surface texture*, 2009-03-16 Update
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)
GB/T 20878 Stainless and heat resisting steels—Designation and chemical composition
GB/T 2102 Acceptance, packaging, marking and quality certification for steel tubular products*, 2022-10-14 Update
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 223.11 Determination of chromium content in iron, steel and alloy by visual titration or potentiometric titration*, 2009-05-01 Update
GB/T 223.16 Methods for chemical analysis of iron,steel and alloy--The chromotropic acid photometric method for the determination of titanium content
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 223.60 Methods for chemical analysis of iron, steel and alloy--The perchloric acid dehydration gravimetric method for the determination of silicon content
GB/T 223.62 Methods for chemical analysis of iron, steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
GB/T 223.63 Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method*, 2022-07-11 Update
GB/T 223.68 Methods for chemical analysis of iron, steel and alloy. The potassium iodate titration method after combustion in the pipe furnace for the determination of sulfur content
GB/T 223.69 Iron,steel and alloy.Determination of carbon contents.Gas-volumetric method after combustion in the pipe furnace
GB/T 228 Metallic materials--Tensile testing at ambient temperature
GB/T 2975 Steel and steel products.Location and preparation of samples and test pieces for mechanical testing*, 2018-05-14 Update
GB/T 4334.5 Method of copper sulfate-sulfuric acid test for stainless steels