GB/T 14841-2008Tantalum and tantalum alloy rods (English PDF)
钽及钽合金棒材
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 31, 2008
Implementation date
September 1, 2008
Scope
GB/T 14841-2008 is the English-translated version of 钽及钽合金棒材.
GB/T 14841-2008 is the Chinese standard "Tantalum and tantalum alloy rods". Its scope clause reads: This standard specifies the tantalum and tantalum alloy rod requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or close Same) content.
This standard applies to the rule of the ingot or powder strip billet extrusion, forging, rolling, drawing and other craft production of tantalum and tantalum alloy round bar and square bar. Its clauses include requirements.
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Document preview — GB/T 14841-2008
National Standard of the People's Republic of China
- ICS
- 77.150.99
- Classification
- H 63
- Replacing
- GB/T 14841-1993
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Requirements
- 3.1 Categories
1 Scope
This standard specifies the tantalum and tantalum alloy rod requirements, test methods, inspection rules and signs, packaging, transportation, storage and purchase order (or close
Same) content.
This standard applies to the rule of the ingot or powder strip billet extrusion, forging, rolling, drawing and other craft production of tantalum and tantalum alloy round bar and square bar.
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 15076 (all parts), chemical analysis of tantalum and niobium
3 Requirements
3.1 Categories
3.1.1 grade, status, specifications
Rod grades, status and specifications shall comply with the requirements of Table 1.
Table 1 millimeters
Grade status in diameter or length of a side length of a
Ta1
Ta2
TaNb3 cold state (Y)
TaNb20 thermal processing state (R) 3.0 ~ 95 >=200
TaNb40 annealed (M)
TaW2.5
TaW10
FTa1
FTa2
Cold state (Y)
Annealed (M)
> 5.0 ~ 25 >=300 a forged square bar side length of not less than 25mm, a length of not more than 4000mm.
3.1.2 shows the column marked
Bars tag example tantalum and tantalum alloys produced in accordance with this standard are as follows.
Example 1.
With Ta1 manufacturing, hot extrusion state, a diameter of 10mm, a length of 500mm rod marked as follows.
Crowded bar Ta1-R u00d810 × 500 GB/T 14841-2008
Example 2.
Manufactured by Ta2, annealed, having a diameter of 10mm, a length of 500mm forging polished rod is marked.
Forging rod mill Ta2-M u00d810 × 500 GB/T 14841-2008
Example 3.
With TaNb3 manufacturing, annealed, side length of 25mm, a length of 500mm forged square bar marked as follows.
Forged rods TaNb3-M 25 × 25 × 500 GB/T 14841-2008 […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 14841
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 14841-2008 | Tantalum and tantalum alloy rods | current edition | Current |
| GB/T 14841-1993 | Tantalum and tantalum alloy rods | previous edition | Superseded |
This page sells the current edition, GB/T 14841-2008. Earlier editions are listed for reference only.
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