YS/T 827: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| YS/T 827-2024 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Tantalum Ingot)
| Valid |
YS/T 827-2024
|
| YS/T 827-2012 | English | 279 |
Add to Cart
|
3 days [Need to translate]
|
Tantalum ingot
| Obsolete |
YS/T 827-2012
|
Basic data | Standard ID | YS/T 827-2024 (YS/T827-2024) | | Description (Translated English) | (Tantalum Ingot) | | Sector / Industry | Nonferrous Metallurgy Industry Standard (Recommended) | | Classification of Chinese Standard | H63 | | Classification of International Standard | 77.150.99 | | Date of Issue | 2024-10-24 | | Date of Implementation | 2025-05-01 | | Older Standard (superseded by this standard) | YS/T 827-2012 | | Issuing agency(ies) | Ministry of Industry and Information Technology | | Summary | This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, accompanying documents and order form contents of tantalum ingots. This standard is applicable to tantalum ingots made by vacuum electron beam melting after tantalum powder is pressed and formed, vacuum sintered and made into blanks. | YS/T 827-2012: Tantalum ingot---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.
Tantalum ingot
ICS 77.150.99
H63
People's Republic of China Nonferrous Metals Industry Standard
Ingot
Issued on. 2012-11-07
2013-03-01 implementation
Ministry of Industry and Information Technology of the People's Republic of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard by the national non-ferrous metals Standardization Technical Committee (SAC/TC243) centralized.
This standard was drafted. Ningxia Orient Tantalum Industry Co., Ltd., West An Honghai metal materials limited liability company.
The main drafters of this standard. Jie Wei-ping, Baizhang Jun, Huang Quanheng, Ecological and Zhang Jing, Zhang Yinan, Zhangjiang Feng.
Ingot
1 Scope
This standard specifies the ingot of requirements, test methods, inspection rules and signs, packaging, transportation and storage, quality certificate and contract (or order
Manifest) content.
This standard applies to tantalum powder by compression molding, vacuum sintering blank, vacuum electron beam melting tantalum ingot preparation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 15076 (all parts), chemical analysis of tantalum and niobium
YS/T 751 tantalum and tantalum alloy grades and chemical composition
3 Requirements
3.1 Categories
Depending on the chemical composition of the product, the product is divided into GTD-1, GTD-2, GTD-3, Ta1, Ta2 five grades.
3.2 Chemical composition
GTD grades for chemical composition of the product (mass fraction) shall comply with the requirements in Table 1. Ta1, Ta2 chemical composition should be consistent with YS/T 751
Provisions.
Table 1 %
Grades GTD-1 GTD-2 GTD-3
Main content (mass fraction)
not less than
Ta 99.995 99.99 99.95
Impurity elements (mass fraction)
no greater than
C 0.0030 0.0030 0.0040
O 0.0050 0.0080 0.010
N 0.0030 0.0030 0.0040
H 0.0005 0.0005 0.0010
S 0.0001 0.0001 0.0001
Al 0.00005 0.0001 0.0005
Ag 0.00005 0.0001 0.0001
As 0.00005 0.0001 0.0001
Au 0.0001 0.0001 0.0001
B 0.00005 0.0001 0.0001
|