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GB/T 17395-2024 English PDF (GB/T 17395-2008, GB/T 17395-1998)

GB/T 17395-2024_English: PDF (GB/T17395-2024)
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GB/T 17395-2024English800 Add to Cart 0--9 seconds. Auto-delivery Dimensions, shapes, masses and tolerances of steel tubes Valid GB/T 17395-2024
GB/T 17395-2008English85 Add to Cart 0--9 seconds. Auto-delivery Dimensions, shapes, masses and tolerances of seamless steel tubes Valid GB/T 17395-2008
GB/T 17395-1998EnglishRFQ ASK 6 days [Need to translate] Dimensions, shapes, masses and tolerances of seamless steel tubes Obsolete GB/T 17395-1998


BASIC DATA
Standard ID GB/T 17395-2024 (GB/T17395-2024)
Description (Translated English) Dimensions, shapes, masses and tolerances of steel tubes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H48
Classification of International Standard 77.140.75
Word Count Estimation 54,543
Date of Issue 2024-09-29
Date of Implementation 2025-04-01
Older Standard (superseded by this standard) GB/T 17395-2008,GB/T 21835-2008
Drafting Organization Metallurgical Industry Information Standards Research Institute, Hengyang Valin Steel Pipe Co., Ltd., Jiangsu Changbao Plessen Steel Pipe Co., Ltd., Zhejiang Lunbao Pipe Co., Ltd., Jiangsu Yaxin Precision Technology Co., Ltd., Shanxi TISCO Stainless Steel Pipe Co., Ltd., Zhejiang Taifu Seamless Steel Pipe Co., Ltd., Chengde Jianlong Special Steel Co., Ltd., Jiangsu Tianhuai Steel Pipe Co., Ltd., Zhejiang Yongshang Special Materials Co., Ltd., Panyu Zhujiang Steel Pipe (Zhuhai) Co., Ltd., Huadi Steel Group Co., Ltd., Zhejiang Jinzhou Pipe Dao Technology Co., Ltd., Jiangyin Hongteng Machinery Co., Ltd., Jiangyin Nanfang Stainless Steel Pipe Co., Ltd., Inner Mongolia Baotou Steel Union Co., Ltd., Shandong Special Equipment Inspection Institute Group Co., Ltd., Jiangsu Chengde Steel Pipe Co., Ltd., Jiangsu Youfa Steel Pipe Co., Ltd., Shandong Juncheng Green
Administrative Organization National Technical Committee for Standardization of Steel (SAC/TC 183)
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration

BASIC DATA
Standard ID GB/T 17395-2008 (GB/T17395-2008)
Description (Translated English) Dimensions, shapes, masses and tolerances of seamless steel tubes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H48
Classification of International Standard 77.140.75
Word Count Estimation 35,392
Date of Issue 2008-05-13
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 17395-1998
Adopted Standard ISO 4200-1991, NEQ; ISO 5252-1991, NEQ; ISO 1127-1992, NEQ
Drafting Organization Panzhihua Iron and Steel Group Chengdu Iron & Steel Co., Ltd.
Administrative Organization National Steel Standardization Technical Committee
Regulation (derived from) National Standard Approval Announcement 2008 No.8 (Total No.121)
Proposing organization China Iron and Steel Industry Association
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, China National Standardization Administration Committee
Summary This standard specifies the dimensions of seamless steel tubes, shape, weight and tolerances. This standard applies to the development of the various uses of plain end seamless steel standard time, select the size, shape, weight and tolerances.

BASIC DATA
Standard ID GB/T 17395-1998 (GB/T17395-1998)
Description (Translated English) Dimensions, shapes, masses and tolerances of seamless steel tubes
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H48
Classification of International Standard 77.140.75
Word Count Estimation 30,395
Date of Issue 1998/5/28
Date of Implementation 1998/12/1
Adopted Standard ISO 1127-1992, NEQ; ISO 4200-1991, NEQ; ISO 5252-1991, NEQ
Regulation (derived from) Announcement of Newly Approved National Standards No. 8, 2008 (No. 121 overall)
Proposing organization Ministry of Metallurgical Industry of the People Republic of China
Issuing agency(ies) State Quality and Technical Supervision


GB/T 17395-2024 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.75 CCS H 48 GB/T 17395-2024 Replacing GB/T 17395-2008, GB/T 21835-2008 Dimensions, shapes, masses and tolerances of steel tubes ISSUED ON: SEPTEMBER 29, 2024 IMPLEMENTED ON: APRIL 01, 2025 Issued by: State Administration for Market Regulation; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3 1 Scope ... 6 2 Normative references ... 6 3 Terms and definitions ... 6 4 Dimension specifications ... 6 5 Length ... 49 6 Shape ... 50 7 Mass ... 52 Bibliography ... 53 Foreword This document was drafted in accordance with the provisions of GB/T 1.1-2020 “Directives for standardization - Part 1: Rules for the structure and drafting of standardizing documents”. This document integrates and revises GB/T 17395-2008 “Dimensions, shapes, masses and tolerances of seamless steel tubes” and GB/T 21835-2008 “Dimensions and masses per unit length of welded steel pipes”. Compared with GB/T 17395-2008 “Dimensions, shapes, masses and tolerances of seamless steel tubes”, in addition to structural adjustments and editorial changes, this document has the following major technical changes: a) MODIFY the outer diameter and wall thickness specification table of common steel tubes, and EXPAND the outer diameter and wall thickness specification range (see Table 1 and Table 2 of this document, Table 1 of GB/T 17395-2008); b) DELETE the outer diameter series of precision steel tubes (see Table 3 of this document, Table 2 of the 2008 edition); c) MODIFY the outer diameter and wall thickness specification table of precision steel tubes, and EXPAND the outer diameter and wall thickness specification range (see Table 3 of this document, Table 2 of GB/T 17395-2008); d) MODIFY the outer diameter and wall thickness specification table of stainless steel tubes, and EXPAND the outer diameter and wall thickness specification range (see Table 4 of this document, Table 3 of GB/T 17395-2008); e) ADD the inner diameter tolerances (see 4.3.3 of this document); f) ADD the minimum wall thickness tolerances (see 4.3.5 of this document). Compared with GB/T 21835-2008 “Dimensions and masses per unit length of welded steel pipes”, in addition to structural adjustments and editorial changes, this document has the following major technical changes: a) MODIFY the wall thickness series of common steel tubes (see Table 1 and Table 2 of this document, Table 1 of GB/T 21835-2008); b) MODIFY the outer diameter and wall thickness specification table of common steel tubes, and EXPAND the outer diameter and wall thickness specification range (see Table 1 and Table 2 of this document, Table 1 of GB/T 21835-2008); c) DELETE the outer diameter series of precision steel tubes (see Table 3 of this document, Table 2 of the 2008 edition); Dimensions, shapes, masses and tolerances of steel tubes 1 Scope This document specifies the dimensions, shapes, masses and tolerances of steel tubes. This document applies to the selection of dimension, shape, mass and tolerance when formulating standards for circular steel tubes for various purposes. 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 referenced document (including any amendments) applies. GB/T 30062 Terminology of steel pipes and tubes 3 Terms and definitions For the purpose of this document, the terms and definitions defined in GB/T 30062 apply. 4 Dimension specifications 4.1 Outer diameter series Except for the nominal outer diameter (D) of precision steel tubes, the nominal outer diameters of other steel tubes are divided into three series: Series 1, Series 2 and Series 3. Series 1 is a general series and is recommended; Series 2 is a non-general series; Series 3 is a few special and dedicated series. 4.2 Outer diameter and wall thickness The nominal outer diameter and nominal wall thickness (S) of common steel tubes are shown in Table 1 (S ≤ 65 mm) and Table 2 (S > 65 mm); the nominal outer diameter and nominal wall thickness of precision steel tubes are shown in Table 3; the nominal outer diameter and nominal wall thickness of stainless steel tubes are shown in Table 4. ......


GB/T 17395-2008 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 77.140.75 H 48 Replacing GB/T 17395-1998 Dimensions, Shapes, Masses and Tolerances of Seamless Steel Tubes ISSUE ON. MAY 13, 2008 IMPLEMENTED ON. NOVEMBER 1, 2008 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China; Standardization Administration of the People’s Republic of China. Table of Contents Foreword ... 3  1 Scope ... 4  2 Outside diameter and wall thickness ... 4  3 Length ... 34  4 Shapes ... 35  5 Masses ... 36  Foreword This Standard corresponds to ISO 4200.1991 "Plain end steel tubes, welded and seamless - General tables of dimensions and masses per unit-length", ISO 5252.1991 "Steel tubes - Tolerance systems" and ISO 1127.1992 "Stainless steel tubes - Dimensions, tolerances and conventional masses per unit-length". This Standard is not equivalent to ISO 4200.1991, ISO 5252.1991 and ISO 1127.1992. This Standard replaces GB/T 17395-1998 "Dimensions shapes, masses and tolerances of seamless steel tubes". Compared with GB/T 17395-1998, the main changes of this Standard are as follows. — Common steel pipe outside diameters 232, 267(267.4), 302, 318.5, 368, 419, 473, 699, 711, 720, 762, 788.5, 813, 864, 914, 965, 1016 are added; — Upper limit of wall thickness of common steel tube is modified; — Unit-length theoretical weight in Table 1 and Table 2 is modified; — In Table 3, 0.5, 0.6, 0.7, 0.8, 0.9 are added to the wall thickness for outside diameter of steel pipe whose; — Overall length tolerances 0 15 mm level is added; — "ellipticity" is changed into "noncircularity"; “noncircularity" calculation formula is added; — Upper limit of usual length is changed from “12000mm" to “12500mm"; — Tolerances requirements between actual weight and theoretical weight are modified. This Standard was proposed by China Iron & Steel Association. This Standard shall be under the jurisdiction of China Steel Standardization Technical Committee Drafting organization of this Standard. Pangang steel Group, Chengtu steel Co., Ltd, and China Metallurgical Information Standardization Research Institute. Chief Drafting Staffs of this Standard. Yan Ru, Li Zhi, Huang Ying and Liqi. This Standard is first-time issued in May 1998. Dimensions, Shapes, Masses and Tolerances of Seamless Steel Tubes 1 Scope This Standard specifies seamless steel tube size, shape, masses and tolerances. This Standard is applicable to selection of size, shape, masses and tolerances in formulating all kinds of flat-end seamless steel tube. 2 Outside diameter and wall thickness 2.1 Classification Outside diameter and wall thickness of steel tube can be divided into three classes. outside diameter and wall thickness of common steel tube (refer to Table 1); outside diameter and wall thickness of precision tube (refer to Table 2), and outside diameter and wall thickness of stainless steel tube (refer to Table 3). 2.2 Outside diameter Outside diameter of steel tube can be divided into three series. series 1, series 2 and series 3. Series 1 is the common series, belonging to the recommended adopted series; series 2 is not the common series; series 3 is the special series. Outside diameter of common steel tube can be divided into series 1, series 2 and series; outside diameter of precision tube can be divided into series 2 and series 3; outside diameter of stainless steel tube can be divided into series 1, series 2 and series 3. 2.3 Permissible tolerance 2.3.1 Outside diameter and wall thickness tolerances selection 2.3.1.1 For selection of permissible tolerance of outside diameter and wall thickness, steel tube application and technological equipment shall be taken into consideration. 2.3.1.2 Tolerances of outside diameter and wall thickness adopted in product standard shall be superior to standardized tolerances. According to customer requirements and product, non-standardized or other tolerances can be adopted. 2.3.2 Outside diameter tolerances GB 4287-2012 Table 7 Non-standardized wall thickness tolerances Unit. millimeter Tolerance grade Non-standardized wall thickness tolerances NS1 +15.0%s -12.5%S NS2 +15.0%S -10.0%S NS3 +12.5%S -10.0%S NS4 +12.5%s -7.5%S Note. S is the nominal wall thickness of steel tube. 2.3.3.3 Steel tube of special purpose and cold rolling (pull) Steel tube wall thickness tolerances may adopt absolute tolerance. 3 Length 3.1 Usual length Usual length of steel tube is 3 000mm ~ 12 500mm. 3.2 Fixed-length and multiple-length Fixed-length and multiple-length shall be within usual length; overall length tolerances can be divided into four grades (refer to Table 8). Each multiple-length will reserve the kerf surplus according to the requirements below. a) For outside diameter ≤159 mm. 5 mm~10mm; b) For outside diameter >159mm. 10mm~15mm. Table 8 Overall length tolerances Unit. millimeter Tolerance grade Overall length tolerances L1 +20 0 L2 +15 0 L3 +10 0 L4 +5 0 3.3 Steel tube length of special purposes For steel tubes of special purposes, such as stainless acid resistant ultra-steel thin wall GB 4287-2012 tuber, the length requirements for minor diameter steel tube can be stipulated otherwise. 4 Shapes 4.1 Degree of curvature Degree of curvature of steel tube can be divided into overall length degree of curvature and degree of curvature of each meter. 4.1.1 Degree of curvature of overall length Degree of curvature surveyed of the overall length of steel tube can be named as degree of curvature of overall length; degree of curvature of overall length can be divided into 5 classes (refer to Table 9). Table 9 Degree of curvature of overall length Unit. millimeter Grade of degree of curvature Degree of curvature of overall length, not greater than E1 0.2%L E2 0.15%L E3 0.1%L E4 0.08%L E5 0.06%L Note. L is length of single steel tube. 4.1.2 Degree of curvature of each meter Degree of curvature surveyed is referred as the degree of curvature of each meter; degree of curvature of each meter can be divided into 5 classes (refer to Table 10). Table 10 Degree of curvature of each meter Unit. millimeter Grade of degree of curvature Degree of curvature of each meter, not greater than F1 3.0 F2 2.0 F3 1.5 F4 1.0 F5 0.5 4.2 Noncircularity Noncircularity of steel tube can be divided into 4 grades (refer to Table 11). GB 4287-2012 Table 11 Noncircularity Grades of noncircularity Noncircularity, no greater than outside diameter tolerance NR1 80% NR2 70% NR3 60% NR4 50% a Noncircularity calculation formula is. %100)(2 minmax minmax  DD DD , Where. Dmax is the maximum value of cross section’s outside diameter., Dmin is the minimal value of cross section’s outside diameter.. 5 Masses 5.1 Delivery of steel tube can be carried out by referring to actual weight; theoretical weight can also be served as the standard. Actual weight delivery can be divided into single pipe masses or batch weight. 5.2 Refer to Formula (1) for the calculation of theoretical weight of the steel tube. 1000/)( SSDW   ... (1) Where. W — Theoretical weight of steel tube; the unit is kilogram/ meter (kg/m); 1416.3 ;  — Intensity of steel; unit is kilogram/ cubic decimeter (kg/dm3); D — nominal outside diameter of steel tube; unit. millimeter (mm); S — nominal wall thickness of steel tube; unit. millimeter (mm). 5.3 As for steel tube delivered according to theoretical weight, tolerances between actual weight and theoretical weight can be stipulated. Tolerances between single steel tube actual weight and theoretical weight can be divided into 5 classes (refer to Table 12). Tolerances between theoretical weight and actual weight of each batch not less than 10 t can be ±7.5 or ±5%. Table 12 Permissible tolerances of masses Tolerance grade Tolerances masses of single steel tube W1 ±10% W2 ±7.5% W3 +10% -5% W4 +10% GB 4287-2012 -3.5% W5 +6.5% -3.5% ......

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