Standard No.:	GB/T 3094-2012
English Name:	Cold drawn shaped steel tubes
Chinese Name:	冷拔异型钢管
Chinese Classification:	H48    Steel tube and cast iron pipe
Professional Classification:	GB    National Standard
ICS Classification:	77.140.75 77.140.75    Steel pipes and tubes for specific use 77.140.75
Issued by:	AQSIQ;SAC
Issued on:	2012-5-11
Implemented on:	2013-2-1
Status:	valid
Superseding:	GB/T 3094-2000 Cold-Drawn Shaped Steel Tubes
Language:	English
File Format:	PDF
Word Count:	7000 words
Price(USD):	80.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the classification, designation, ordering information, shape, dimension, technical requirements, test method, inspection rule, packaging, marking and quality certificate of cold drawn shaped steel tubes. This standard is applicable to cold-drawn simple-section shaped tube (hereinafter referred to as steel tube). 2 Normative References The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the normative document (including any amendments) applies. GB/T 222 Permissible Tolerances for Chemical Composition of Steel Products GB/T 223.5 Steel and Iron - Determination of Acid-soluble Silicon and Total Silicon Content - Reduced Molybdosilicate Spectrophotometric Method GB/T 223.9 Iron, Steel and Alloy - Determination of Aluminum Content - Chrom Azurol S Photometric Method GB/T 223.12 GB/T 223.62 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium Carbonate Separation - Diphenyl Carbazide Photometric Method for the Determination of Chromium Content GB/T 223.14 Methods for Chemical Analysis of Iron, Steel and Alloy -The N-benzoy-N-phenylhydroxylamine Extraction Photometric Method for the Determination of Vanadium Content GB/T 223.17 Methods for Chemical Analysis of Iron, Steel and Alloy - The Diantipyrylmethane Photometric Method for the Determination of Titanium Content GB/T 223.19 Methods for Chemical Analysis of Iron, Steel and Alloy - The Neocuproine - Chloroform Extraction Photometric Method for the Determination of Copper Content GB/T 223.23 Iron Steel and Alloy - Determination of Nickel Content - The Dimethylglyoxime Spectrophotometric Method GB/T 223.40 Iron Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method 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 223.62 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 Methods for Chemical Analysis of Iron, Steel and Alloy - The Sodium (Potassium) Periodate Photometric Method for the Determination of Manganese Content GB/T 223.64 Iron Steel and Alloy - Determination of Manganese Content - Flame Atomic Absorption Spectrometric Method 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 223.71 Methods for Chemical Analysis of Iron, Steel and Alloy-The Gravimetric Method after Combustion in the Pipe Furnace for the Determination of Carbon Content GB/T 223.72 Iron Steel and Alloy - Determination of Sulfur Content - Gravimetric Method GB/T 228.1 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room Temperature GB/T 229 Metallic Materials - Charpy Pendulum Impact Test Method GB/T 699 Quality Carbon Structural Steels GB/T 700 Carbon Structural Steels GB/T 1591 High Strength Low Alloy Structural Steels GB/T 2102 Acceptance, Packing, Marking and Certification of Pipe GB/T 2975 Steel and Steel Products - Location and Preparation of Test Pieces for Mechanical Testing GB/T 3077 Alloy Structure Steels GB/T 4336 Standard Test Method for Spark Discharge Atomic Emission Spectrometric Analysis of Carbon and Low-alloy Steel (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) GB/T 20125 Low-alloy Steel - Determination of Multi-element Contents - Inductively Coupled Plasma Atomic Emission Spectrometric Method 3 Classification and Designation Classification and designation of steel tubes according to section shape are as follows: a) Square steel tube D-1; b) Rectangle steel tube D-2; c) Elliptical steel tube D-3; d) Flat oval steel tube D-4; e) Inside and outside hexagonal steel tube D-5; f) Rectangular trapezoid steel tube D-6. 4 Ordering Information

Foreword I 1 Scope 2 Normative References 3 Classification and Designation 4 Ordering Information 5 Shape, Dimension and Weight 6 Technical Requirements 7 Test Method 8 Inspection Rule 9 Packaging, Marking and Quality Certificate Appendix A (Normative) Shape and Dimension of Steel Tube Appendix B (Normative) Determination Method for Twist Value of Shaped Steel Tube