GB/T 8183-2007 English PDF

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GB/T 8183-2007: Niobium and niobium alloy seamless tubes
Status: Valid

GB/T 8183: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 8183-2007	209	Add to Cart	3 days	Niobium and niobium alloy seamless tubes	Valid
GB/T 8183-1987	279	Add to Cart	3 days	Niobium seamless tubes	Obsolete

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Basic data

Standard ID: GB/T 8183-2007 (GB/T8183-2007)
Description (Translated English): Niobium and niobium alloy seamless tubes
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H63
Classification of International Standard: 77.150.99
Word Count Estimation: 8,850
Date of Issue: 2007-11-23
Date of Implementation: 2008-06-01
Older Standard (superseded by this standard): GB/T 8183-1987
Quoted Standard: GB/T 228; GB/T 241; GB/T 242; GB/T 15076; YS/T 656
Adopted Standard: ASTM B394-2003, NEQ
Regulation (derived from): China National Standard Approval Announcement2007 No.12 (Total No.112)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the niobium and niobium alloy seamless requirements, test methods, inspection rules and signs, packaging, transport, storage and purchase order (or contract) content. This standard applies to cold rolled (or drawing) production of niobium and niobium alloy seamless.

GB/T 8183-2007: Niobium and niobium alloy seamless tubes

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Niobium and niobium alloy seamless tubes ICS 77.150.99 H63 National Standards of People's Republic of China Replacing GB/T 8183-1987 Niobium and niobium alloy seamless Posted 2007-11-23 2008-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

At the time of the revision of reference ASTMB394-2003. This standard replaces GB/T 8183-1987 "niobium seamless." This standard and GB/T 8183-1987 compared to the main changes are as follows. --- Increased NbZr1 and NbZr2 two grades and requirements, and separately with the ASTM grade R04251 and R04261 correspond; --- Pipe diameter range expanded to "1mm ~ 65mm"; --- Nb1 and Nb2 gap elements in predetermined ASTMB394-2003 same; --- Mechanical properties Nb1 and Nb2 with a predetermined ASTMB394-2003 same; --- Increasing the amount oblique cut provisions; --- Increasing the test results to determine; --- Increased its orders (or contract) content requirements. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard by the Baoji Titanium Group Ltd., Baoji Titanium Industry Co., Ltd. is responsible for drafting. This standard by the Ningxia Orient Tantalum Industry Co., Ltd. participated in the drafting. The main drafters of this standard. Huang Yongguang, Li Nong, Wang Yongmei, Wang Weiqi, Liu Shiping, Zhangjiang Feng, Huo Hongfeng. This standard replaces the standards previously issued as follows. --- GB/T 8183-1987. Niobium and niobium alloy seamless

1 Scope

This standard specifies the niobium and niobium alloy seamless requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or contract details. This standard applies to cold-rolled (cold-drawn or) production of niobium and niobium alloy seamless.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 228 metal materials at room temperature tensile test method GB/T 241 metal pipe Hydrostatic pressure testing Opening Test methods GB/T 242 metal tube expansion GB/T 15076 (all parts), chemical analysis of tantalum and niobium YS/T 656 niobium and niobium alloy grades and chemical composition of processed products

3 Requirements

3.1 Categories 3.1.1 product grades, status and specifications 3.1.1.1 pipe grades include. Nb1, Nb2, NbZr1, NbZr2. 3.1.1.2 Pipe cold-rolled (cold-drawn or) state (Y), annealed condition (M), eliminate stress state (m) available. 3.1.1.3 should meet the specifications of the pipe specified in Table 1. Table 1 niobium seamless pipe specifications Grade status OD / mm Wall thickness/mm 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.2 1.5 2.0 2.5 3.0 3.5 4.0 Nb1 Nb2 NbZr1 NbZr2 annealing (M) Cold rolling (Cold drawn) (Y) Stress Relief (M) 1 ~ 3 ○ ○ ○ - - - - - - - - - - - > 3 ~ 5 ○ ○ ○ ○ ○ - - - - - - - - - > 5 ~ 15 - ○ ○ ○ ○ ○ ○ - - - - - - - > 15 ~ 25 - - - - ○ ○ ○ ○ ○ ○ - - - - > 25 ~ 35 - - - - - ○ ○ ○ ○ ○ ○ ○ - - > 35 ~ 40 - - - - - - ○ ○ ○ ○ ○ ○ ○ - > 40 ~ 50 - - - - - - ○ ○ ○ ○ ○ ○ ○ ○ > 50 ~ 65 - - - - - - - ○ ○ ○ ○ ○ ○ ○ Note. "○" means that you can produce according to the standard specifications, exceeding the specifications of the table by both parties through consultation. ......

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