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GB/T 21183-2017

Chinese Standard: 'GB/T 21183-2017'
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BASIC DATA
Standard ID GB/T 21183-2017 (GB/T21183-2017)
Description (Translated English) Zirconium and zirconium alloy sheet, strip and foil
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H63
Classification of International Standard 77.150.99
Word Count Estimation 14,112
Date of Issue 2017-09-29
Date of Implementation 2018-04-01
Drafting Organization West New Zirconium Core Materials Technology Co., Ltd., Northwest Nonferrous Metal Research Institute, Western Titanium Co., Ltd., National Nuclear Titanium Zirconium Industry Co., Ltd., Guangdong Oriental Zirconium Technology Co., Ltd., Baoji Titanium Co., Ltd., Nonferrous Metal Technology Economic Research Institute
Administrative Organization National Nonferrous Metals Standardization Technical Committee (SAC/TC 243)
Proposing organization China Nonferrous Metals Industry Association
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of PRC; China National Standardization Administration

GB/T 21183-2017
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 77.150.99
H 63
Replacing GB/T 21183-2007
Zirconium and Zirconium Alloy Sheet, Strip and Foil
锆及锆合金板, 带, 箔材
ISSUED ON: SEPTEMBER 29, 2017
IMPLEMENTED ON: APRIL 1, 2018
Issued by: General Administration of Quality Supervision, Inspection and
Quarantine;
Standardization Administration of the People’s Republic of
China.
Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative References ... 4 
3 Requirements ... 4 
4 Test Methods ... 10 
5 Inspection Rules ... 11 
6 Marking, Packaging, Transportation, Storage and Quality Certificate ... 12 
7 Contract (or order sheet) Content ... 13 
Appendix A (normative) Corrosion Test Method for Zirconium and Zirconium
Alloy at 400 °C Vapor ... 15 
Foreword
This Standard was drafted in accordance with the rules in GB/T 1.1-2009.
This Standard serves as a replacement of GB/T 21183-2007 Zirconium and Zirconium
Alloy Sheet, Strip and Foil.
In comparison with GB/T 21183-2007, there are several main technical changes as
follows:
---Product specification is refined;
---Table of chemical composition is deleted; requirements in GB/T 26314 are
implemented;
---In dimensions and allowable deviations, the allowable deviations for thickness
and width are refined; requirements towards unevenness are added;
---Mechanical properties are adjusted;
---Requirements towards ultrasonic inspection are added;
---Requirements towards surface roughness are added;
---Pickling process of sample preparation in Appendix A is adjusted.
This Standard was proposed by China Nonferrous Metals Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee 243 on
Nonferrous Metals of Standardization Administration of China (SAC/TC 243).
The drafting organizations of this Standard: Western Energy Material Technologies Co.,
Ltd., Northwest Institute for Non-ferrous Metal Research, Western Titanium
Technologies Co., Ltd., State Nuclear BAO TI Zirconium Industry Company,
Guangdong Orient Zirconic Industry Sci & Tech Co., Ltd., Baoji Titanium Industry Co.,
Ltd., China Nonferrous Metals Techno-Economic Research Institute.
The main drafters of this Standard: Jiao Yonggang, Li Zhongkui, Lijia, Zhang Jianjun,
Li Laiping, Guo Linjiang, Wuhua, Gaobo, Xu Xiaojun, Ma Zhongxian, Wu Yanhua.
The issuance of the previous versions of the standard being replaced by this Standard
is as follows:
---GB/T 21183-2007.
Zirconium and Zirconium Alloy Sheet, Strip and Foil
1 Scope
This Standard stipulates the requirements, test methods, inspection rules, marking,
packaging, transportation, storage, quality certificate and contract (or order sheet)
content of zirconium and zirconium alloy sheet, strip and foil.
This Standard is applicable to zirconium and zirconium alloy sheet, strip and foil for the
purposes of general industry and nuclear industry.
2 Normative References
The following documents are indispensable to the application of this document. In
terms of references with a specific date, only versions with a specific date are
applicable to this document. In terms of references without a specific date, the latest
versions (including all the modification lists) are applicable to this document.
GB/T 228.1-2010 Metallic Materials - Tensile Testing - Part 1: Method of Test at Room
Temperature
GB/T 228.2 Metallic Materials - Tensile Testing - Part 2: Method of Test at Elevated
Temperature
GB/T 6394 Metal - Methods for Estimating the Average Grain Size
GB/T 10610 Geometrical Product Specifications (GPS) - Surface Texture: Profile
Method - Rules and Procedures for the Assessment of Surface Texture
GB/T 13747 (all parts) Methods for Chemical Analysis of Zirconium and Zirconium
Alloys
GB/T 26314 Designation and Composition of Zirconium and Zirconium Alloys
3 Requirements
3.1 Product Classification
3.1.1 Product nameplate, variety, supply status and specification
Product nameplate shall comply with the stipulations in Table 1. Product variety, supply
status and specification shall comply with the stipulations in Table 2.
Table 1 -- Product Nameplate
Table 2 -- Product Variety, Supply Status and Specification Unit: millimeter
Table 2 (continued from previous page) Unit: millimeter
3.1.2 Product designation
Product designation shall be expressed in accordance with the sequence: product
name, standard serial No., nameplate, supply status and specification. Please see
designation examples as follows:
Example 1: Zr-0 manufactured, cold processing status of foil, thickness: 0.05 mm, width:
100 mm and length: L mm, shall be marked as: foil GB/T 21183-2017 Zr-0 Y
0.05  100  L.
Example 2: Zr-2 manufactured, annealing status of strip, thickness: 1.0 mm, width: 100
mm and length: L mm, shall be marked as: strip GB/T 21183-2017 Zr-2 M 1.0
 100  L.
Classification
Nameplate
General Industry Nuclear Industry
Variety
Foil
Strip
Sheet
Variety
Supply Status
Supply Status
Thickness  Width  Length
Thickness  Width  Length
Cold Processing
Status (Y)
Annealing Status
(M)
Cold Processing
Status (Y)
Annealing Status
(M)
Cold Processing
Status (Y)
Annealing Status
(M)
Thermal Processing
Status (R)
Annealing Status
(M)
NOTE: when the demand-side indicates in the contract (or order sheet), stress-relieving annealing status (m) of
products may be provided.
Example 3: Zr-4 manufactured, thermal processing status of sheet, thickness: 10 mm,
width: 600 mm and length: L mm, shall be marked as: sheet GB/T 21183-
2017 Zr-4 R 10.0  600  L.
3.2 Chemical Composition
Product’s chemical composition shall comply with the requirements in GB/T 26314.
3.3 Dimensions and Allowable Deviation
3.3.1 Dimensions and allowable deviation for sheet, strip and foil are shown in Table
3, Table 4 and Table 5, or, they shall be negotiated and determined by the demand-
side and the supply-side.
Table 3 -- Thickness Dimension and Allowable Deviation Unit: millimeter
Thickness
Thickness Allowable Deviation within the Width Range
Width ≤ 300 Width > 300 ~ 600 Width > 600 ~ 1,000 Width > 1,000 ~ 3,000
Table 3 (continued from previous page) Unit: millimeter
Table 4 -- Width Dimension and Allowable Deviation Unit: millimeter
Table 5 -- Length Dimension and Allowable Deviation Unit: millimeter
3.3.2 Sheet and strip products shall be flat and straight. After the shearing, finished
products’ side curvature shall be not more than 3 mm/m. Foil products which are under
annealing status allow to have slight waves.
Thickness
Thickness Allowable Deviation within the Width Range
Width ≤ 300 Width > 300 ~ 600 Width > 600 ~ 1,000 Width > 1,000 ~ 3,000
Width
Width Allowable Deviation
NOTE: width allowable deviation refers to product’s dimensional deviation after the shearing.
Length
Length Allowable Deviation
NOTE 1: length allowable deviation refers to product’s dimensional deviation after the shearing.
NOTE 2: length allowable deviation is merely applicable to sheet, strip and foil products which are delivered in
slices. Strip and foil products which are delivered in coils shall implement requirements in the contract
(or order sheet).
3.3.3 Unevenness of products delivered in slices shall comply with the stipulations in
Table 6.
Table 6 -- Product Unevenness
Table 6 (continued from previous page)
3.3.4 Through shearing, the edges of sheet, strip and foil products shall be evenly
trimmed. There shall be no cracks, edge curls or stratification. It is allowed to have
slight burrs. Foil products may be delivered in the untrimmed status. All angles of sheet
products shall be sheared into right angle.
3.4 Mechanical Properties
Mechanical properties of sheet and strip products shall comply with the stipulations in
Table 7. The requirements of mechanical properties for foil products; sheet products
whose thickness is more than 10 mm; products in other delivery status shall be
negotiated and determined by the demand-side and the supply-side.
Thickness/mm
Unevenness of Stipulated Width/(mm/m)
Thickness/mm
Unevenness of Stipulated Width/(mm/m)
Table 7 -- Mechanical Properties of Sheet and Strip Products
3.5 Corrosion Performance
Sheet and strip products for the purposes of nuclear industry shall receive corrosion
performance test. Place sample at (400  3) °C, (10.3  0.7) MPa water vapor; conduct
72-h or 336-h of corrosion. After the corrosion test, the surface of the sample shall
have a black and compact oxide film with uniform gloss. After 72-h of corrosion, the
weight gain of the sample shall be not more than 22 mg/dm2. When the 72-h test result
is unqualified, a corrosion test with 336-h of accumulative time (or re-take a double
size of the sample) may be continued; the weight gain of the sample shall be not more
than 38 mg/dm2.
3.6 Ultrasonic Examination
Sheet products for the purposes of nuclear industry shall receive ultrasonic
examination. Requirements of the acceptance check shall be negotiated and
determined by the demand-side and the supply-side.
3.7 Grain Size
In terms of recrystallized and annealed status of sheet and strip products for the
purposes of nuclear industry, thickness not more than 4.8 mm, the average grain size
shall be not lower than Level-7, which is stipulated in GB/T 6394. The grain size of
other products shall be negotiated by the demand-side and the supply-side, and
indicated in the contract.
Nameplate Status Sample Direction
Test
Temperature
t/°C
Elongation after Break
A50mm/%
Tensile
Strength
Rm/MPa
Stipulated Plastic
Elongation Strength
Rp0.2/MPa
Vertical
Horizontal
Horizontal
Horizontal
Vertical
Vertical
Vertical
Vertical
Vertical
Room
Temperature
Room
Temperature
Room
Temperature
Room
Temperature
Room
Temperature
Room
Temperature
Room
Temperature
3.8 Appearance Quality
3.8.1 The surface of products shall be smooth and clean. There shall be no
macroscopic defects, such as oil stains, oxidization, acid spots, contamination, cracks,
peeling, folding, metallic or non-metallic pressing.
3.8.2 The surface roughness Ra of sheet products shall be not more than 3.2 μm. The
surface roughness Ra of strip and foil products shall be not more than 1.25 μm.
3.8.3 Products shall not have stratification or inclusion.
3.8.4 The surface of foil products shall be flat and smooth; slight waves may be allowed.
However, when foil products are coiled on a coiling block whose diameter is 50 mm ~
60 mm, the waves shall be able to be eliminated.
4 Test Methods
4.1 Chemical Composition
Products’ chemical composition analysis shall comply with the stipulations in GB/T
13747, or methods negotiated and determined by the demand-side and the supply-
side.
4.2 Dimensions and Allowable Deviation
The inspection of dimensions and allowable deviation shall be conducted through a
measuring instrument of corresponding precision. Thickness shall be measured at a
distance of not less than 9.5 mm from the edges of the product.
4.3 Mechanical Properties
4.3.1 Room-temperature tensile test shall be conducted in accordance with GB/T
228.1-2010. In terms of products whose thickness is 0.1 mm ~ < 3 mm, take P5 sample;
in terms of products whose thickness is 3 mm ~ 10 mm, take P12 sample; in terms of
products whose thickness is over 10 mm, take R7 sample.
4.3.2 High-temperature tensile test shall be conducted in accordance with GB/T 228.2.
4.4 Corrosion Performance
The inspection of corrosion performance shall be conducted in accordance with
Appendix A.
4.5 Ultrasonic Examination
The method for ultrasonic examination shall be negotiated and determined by the
demand-side and the supply-side.
4.6 Grain Size
The rating of grain size shall comply with GB/T 6394.
4.7 Appearance Quality
The inspection of surface roughness shall be conducted in accordance with the
requirements in GB/T 10610. Other items shall receive visual inspection.
5 Inspection Rules
5.1 Inspection and Acceptance Check
5.1.1 Products shall be inspected by the supply-side, which shall guarantee that
product quality complies with the stipulations in this Standard or the contract (or order
sheet). In addition, a product quality certificate shall be filled out.
5.1.2 The demand-side shall inspect the received products in accordance with the
stipulations in this Standard. When the inspection result does not comply with the
stipulations in this Standard, the demand-side shall propose this to the supply-side
within 3 months since the date of receiving the products. This shall be solved by the
demand-side and the supply-side through negotiation. If arbitration is needed,
arbitration sampling shall be jointly conducted by the demand-side and the supply-side.
5.2 Group Batch
Products shall be submitted for acceptance check in batches. Each batch shall be
constituted of products of the same nameplate, the same furnace No., the same
specification, the same manufacturing method, the same status and the same thermal
processing furnace (batch).
5.3 Inspection Items and Sampling
Requirements towards inspection items and sampling are shown in Table 8.
Table 8 -- Inspection Items and Sampling Rules
5.4 Determination of Inspection Result
5.4.1 When chemical composition is unqualified, re-take a double size of sample from
this batch of products for a re-inspection. If the re-inspection result still shows that
some elements are unqualified, then, this batch of products shall be determined as
unqualified.
5.4.2 When dimensions and allowable deviation, or appearance quality are unqualified,
then, the individual PCS (coil) shall be determined as unqualified.
5.4.3 In mechanical properties, corrosion performance and grain size test, if the
inspection result is unqualified, then, re-take a double size of sample from this batch
of products (including the previous products being inspected) for a re-inspection of the
unqualified items. If the re-inspection result is still unqualified, then, this batch of
products shall be determined as unqualified.
5.4.4 When the ultrasonic examination result is unqualified, then, the individual PCS
of product shall be determined as unqualified.
6 Marking, Packaging, Transportation, Storage and
Quality Certificate
6.1 Product Marking
Sampling Inspection Items
Chapter No.
of
Requirements
Chapter No. of
Test Methods
Chemical
Composition
Dimensions and
Allowable Deviation
Mechanical
Properties
Corrosion
Performance
Ultrasonic
Examination
Grain Size
Appearance Quality
Per PCS (coil)
Respectively take 2 samples from each batch in the
longitudinal and horizontal direction
Take 3 samples from each batch
Respectively take 1 sample from each batch in the
longitudinal and horizontal direction
Per PCS (coil)
Per PCS
In terms of nitrogen, hydrogen and oxygen content, take 1
sample from finished products. In terms of other elements, the
supply-side may submit in the original ingot analysis result. The
demand-side shall take samples from finished products.
6.1.1 Each batch of qualified products shall have a label or a sign, which indicates:
product nameplate, specification, status, batch No. and quantity.
6.1.2 In terms of strip and foil products, an identical sign shall be put onto the external
side of the marking. In terms of sheet products, a sign shall be put onto individual PCS
on a single side or both sides.
6.2 Packaging, Transportation and Storage
6.2.1 Each sheet product shall be separated from each other through a soft paper,
then, be packed in boxes.
6.2.2 Strip product needs to be properly wrapped with moisture-proof paper, then,
placed in a dry box. Use filling materials to stuff the gap among the coils, so as to
prevent the products from moving backward and forward.
6.2.3 A mandrel shall be added to foil products which are delivered in coils; use plastic
cloth and plastic bag to tightly pack them, then, pack them in boxes.
6.2.4 The boxes shall be lined with moisture-proof paper; on the external side of the
boxes, characters or signs like “keep away from moisture” and “handle with care” shall
be indicated.
6.2.5 In transportation and storage, collision, moisture and corrosion of active
chemicals shall be prevented.
6.3 Quality Certificate
Each batch of products shall be attached with a quality certificate, which indicates:
a) The supply-side’s name;
b) Product name, nameplate, specification and status;
c) Product batch No. (or furnace No.), batch weight and quantity;
d) Analysis and test result; inspection department’s stamp;
e) Serial No. of this Standard;
f) Date of packaging.
7 Contract (or order sheet) Content
Contract (or order sheet) shall include the following content:
a) Product name;
b) Nameplate and status;
c) Product specification;
d) Quantity;
e) Serial No. of this Standard;
f) Others.
Appendix A
(normative)
Corrosion Test Method for Zirconium and Zirconium Alloy at 400 °C Vapor
A.1 Terms
The following terms are applicable to this Appendix.
A.1.1 Standard
Standard refers to sample, which has already-known performance and is used to
determine the test’s validity.
A.1.2 Grade A water
Grade A water refers to pure water, whose electrical resistivity is not less than 1.0
Mcm, and whose pH is 5.0 ~ 8.0.
A.1.3 Grade B water
Grade B water refers to deionized water or softened water, whose electrical resistivity
is not less than 0.5 Mcm.
A.2 Equipment and Instruments
A.2.1 High-pressure autoclave: high-pressure autoclave is pressure vessel made of
300 series of stainless steel or nickel-base alloy. High-pressure autoclave shall be
equipped with pressure and temperature measuring and controlling device, safety
device and air release valve. The pressure and temperature controlling system shall
satisfy the requirements of this test. Sample fixture and other internal accessories shall
be made of 300 series or 400 series of stainless steel or nickel-base alloy.
A.2.2 Pickling vessel: pickling tank made of polyethylene or polypropylene.
A.2.3 Measuring equipment: balance (division value shall be not less than 1  10-4 g),
micrometer and caliper.
A.3 Reagents
A.3.1 Grade A water, Grade B water.
A.3.2 Acetone and ethanol, nitric acid (chemically pure), hydrofluoric acid (chemically
pure), sulfuric acid (chemically pure).
A.4 Sample and Standard
A.4.1 Generally speaking, sample’s length  width shall be 30 mm  20 mm. The
surface shall be rinsed with water or be acid pickled.
A.4.2 Each batch of samples and standards shall be respectively marked.
A.5 Test Requirements
A.5.1 Water quality: water used in the corrosion test shall be Grade A water.
A.5.2 Quantity of samples: the total area of samples being placed into the high-
pressure autoclave each time shall not exceed 0.1 m2/L.
A.5.3 Please see the test conditions as follows:
---Temperature: (400  3) °C.
---Pressure: (10.3  0.7) MPa.
---Time: under the stipulated temperature and pressure, the total corrosion time
may prolong 8 h at the most, in comparison with the stipulated time. The time
may be discontinuous.
A.6 Sample Preparation
A.6.1 Use acetone or ethanol to eliminate the grease.
A.6.2 Number the samples one by one.
A.6.3 Use 180#, 300#, 400# and 500# abrasive paper to grind the surface of the samples,
from coarse to fine; eliminate the deformed layer.
A.6.4 Pickling:
a) If there is any requirement towards pickling, acid solution shall adopt the
following recommended matching ratios, which may be adjusted in accordance
with product requirements:
Pure zirconium and zirconium tin alloy acid solution matching ratio: (3  1)%
volume fraction of hydrofluoric acid, (39  5)% volume fraction of nitric acid; the
remaining is distilled water or softened water.
Zirconium niobium alloy acid solution matching ratio: (9  1)% volume fraction
of hydrofluoric acid, (30  5)% volume fraction of nitric acid, (30  5)% volume
fraction of sulfuric acid; the remaining is distilled water or deionized water.
b) The surface area of pickling samples pickled by each liter of pickling solution
shall be not more than 4 dm2. The temperature of acid solution shall be 32 °C
~ 45 °C. The amount of elimination by pickling shall be controlled between 0.01
mm ~ 0.1 mm. When the color of the acid solution manifests yellow, it shall be
abandoned. Then, acid solution shall be re-prepared.
A.6.5 Use tap water to rinse it, then, use Grade B water, which is at room temperature,
to rinse it.
A.6.6 Use Grade B water, which is not lower than 80 °C, to rinse it for around 10 min.
A.6.7 Place the samples into a drying box. At 60 °C ~ 80 °C, dry it for 0.5 h ~ 1 h. Take
out the samples, then, cool it down at room temperature. Or, use hot wind to blow-dry
the surface of the samples, then, cool it down at room temperature. The cooling time
of the samples may be controlled at above 15 min. In the end, it shall be guaranteed
that the samples are at the same temperature as the balance.
A.7 Operating Procedures
A.7.1 Sample inspection: the surface of corrosion test samples shall manifest no
folding, cracks, bubbles, foreign substances, oxidization or acid spots.
A.7.2 Dimension measurement: measure the dimensions of each sample, accurate to
0.01 mm. After the calculation of the surface area, the result shall be rounded off to 1
 10-4 dm2.
A.7.3 Weighing: use a balance to weigh the samples; the result shall at least be
accurate to 1  10-4 g. The balance shall receive zero-setting once after weighing every
5 samples.
A.7.4 Corrosion test of high-pressure autocl......
Related standard: GB/T 38524-2020
Related PDF sample: GB/T 26314-2010    GB/T 3458-2006