GB/T 3639-2021 冷拔或冷轧精密无缝钢管

中文版+英文版

1  范围

    本文件规定了冷拔或冷轧精密无缝钢管的分类、代号、订货内容、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志和质量证明书。

    本文件适用于制造机械结构、液压设备、汽车零部件用，具有特殊尺寸精度和高表面质量要求的冷拔或冷轧精密无缝钢管(以下简称钢管)。

2  规范性引用文件

    下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中，注日期的引用文件，仅该日期对应的版本适用于本文件；不注日期的引用文件，其最新版本(包括所有的修改单)适用于本文件。

    GB/T 222  钢的成品化学成分允许偏差

    GB/T 223.5  钢铁  酸溶硅和全硅含量的测定  还原型硅钼酸盐分光光度法

    GB/T 223.9  钢铁及合金  铝含量的测定  铬天青S分光光度法

    GB/T 223.12  钢铁及合金化学分析方法 碳酸钠分离-二苯碳酰二肼光度法测定铬量

    GB/T 223.23  钢铁及合金  镍含量的测定  丁二酮肟分光光度法

    GB/T 223.26  钢铁及合金  钼含量的测定  硫氰酸盐分光光度法

    GB/T 223.37  钢铁及合金  氮含量的测定  蒸馏分离靛酚蓝分光光度法

    GB/T 223.53  钢铁及合金化学分析方法 火焰原子吸收分光光度法测定铜量

    GB/T223.59  钢铁及合金  磷含量的测定  铋磷钼蓝分光光度法和锑磷钼蓝分光光度法

    GB/T 223.63  钢铁及合金化学分析方法 高碘酸钠(钾)光度法测定锰量

    GB/T 223.85  钢铁及合金  硫含量的测定  感应炉燃烧后红外吸收法

    GB/T 223.86  钢铁及合金  总碳含量的测定  感应炉燃烧后红外吸收法

    GB/T 228.1  金属材料  拉伸试验  第1部分：室温试验方法

    GB/T 242  金属管  扩口试验方法

    GB/T 246  金属材料  管  压扁试验方法

    GB/T 699  优质碳素结构钢

    GB/T 1031  产品几何技术规范(GPS) 表面结构  轮廓法  表面粗糙度参数及其数值

    GB/T 1591  低合金高强度结构钢

    GB/T 2102  钢管的验收、包装、标志和质量证明书

    GB/T 2975  钢及钢产品  力学性能试验取样位置及试样制备

    GB/T 3077  合金结构钢

    GB/T 4336  碳素钢和中低合金钢 多元素含量的测定  火花放电原子发射光谱法(常规法)

    GB/T 5777—2019  无缝和焊接(埋弧焊除外)钢管纵向和/或横向缺欠的全圆周自动超声检测

    GB/T 7735—2016  无缝和焊接(埋弧焊除外)钢管缺欠的自动涡流检测

    GB/T 12606—2016  无缝和焊接(埋弧焊除外)铁磁性钢管纵向和/或横向缺欠的全圆周自动漏磁检测

    GB/T 17395  无缝钢管尺寸、外形、重量及允许偏差

    GB/T 20066  钢和铁  化学成分测定用试样的取样和制样方法

    GB/T 20123  钢铁  总碳硫含量的测定  高频感应炉燃烧后红外吸收法(常规方法)

    GB/T 20124  钢铁  氮含量的测定  惰性气体熔融热导法(常规方法)

    GB/T 20125  低合金钢  多元素含量的测定  电感耦合等离子体原子发射光谱法

    GB/T 30062  钢管术语

    GB/T 40080  钢管无损检测  用于确认无缝和焊接钢管(埋弧焊除外)水压密实性的自动电磁检测方法

3  术语和定义

GB/T 3639-2021Seamless cold-drawn or cold-rolled steel tubes for precision applications

1  Scope

This document specifies the classification,designation, order content, dimensions, shape, weight and permissibledeviation, technical requirements, test methods, inspection rules, packaging,marking and quality certificates for seamless cold-drawn or cold-rolled steeltubes for precision applications.

This document is applicable to manufacturingseamless cold-drawn or cold-rolled steel tubes for precision applications(hereinafter referred to as steel pipes) with special dimensional accuracy andhigh surface quality requirements for mechanical structures, hydraulicequipment and automobile parts.

2  Normative references

The following documents, in whole or in part,are normatively referenced in this document and are indispensable for itsapplication. For dated references, only the edition cited applies. For undatedreferences, the latest edition of the referenced document (including anyamendments) 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 - Chrome azurol S photometric method

GB/T 223.12 Methodsfor chemical analysis of iron, steel and alloy - The sodium carbonate separation-diphenyl carbazide photometric method for the determination of chromium content

GB/T 223.23 Iron, steel and alloy - Determination of nickel content - The dimethylglyoxime spectrophotometric method

GB/T 223.26 Iron, steel and alloy - Determination of molybdenum content - The thiocyanate spectrophotometric method

GB/T 223.37 Iron, steel and alloy - Determination of nitrogen content - Indophenol blue spectrophotometric method after distillation separation

GB/T 223.53 Methods for chemical analysis of iron，steel and alloy - The flame atomic absorption spectrophotometric method for the determination of copper content

GB/T223.59 Iron,steel and alloy - Determination of phosphorus content - Bismuth phosphomolybdate blue spectrophotometric method and antimony phosphomolybdate blue spectrophotometric method

GB/T 223.63 Methods for chemical analysis of iron，steel and alloy - The sodium (potassium) periodate photometric method for the determination of manganese contents

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 242 Metal materials-Tube - Drift-expending test

GB/T 246 Metallic materials - Tube - Flattening test

GB/T 699 Quality carbon structure steels

GB/T 1031 Geometrical product specifications (GPS) - Surface texture: Profile method - Surface roughness parameters and their values

GB/T 1591 High strength low alloy structural steels

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 3077 Alloy structure steels

GB/T 4336 Carbon and low-alloy steel - Determination of multi-element contents - Spark discharge atomic emission spectrometric method (routine method)

GB/T 5777-2019 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections

GB/T 7735-2016 Automated eddy current testing of seamless and welded (except submerged arc-welded) steel tubes for detection of imperfections

GB/T 12606-2016 Automated full peripheral flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal and/or transverse imperfections