YB/T 5222-2014 PDF English
US$195.00 · In stock · Download in 9 secondsYB/T 5222-2014: Quality hot rolled and forged carbon structural steel round tube blank Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid YB/T 5222: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| YB/T 5222-2014 | English | 195 |
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Quality hot rolled and forged carbon structural steel round tube blank
| Valid |
| YB/T 5222-2004 | English | 319 |
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Quality carbon structural steel round tube blank
| Obsolete |
| YB/T 5222-1993 | English | 199 |
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Quality Carbon Steel seamless tube blank
| Obsolete |
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YB/T 5222-2014: Quality hot rolled and forged carbon structural steel round tube blank---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/YBT5222-2014
YB
NONFERROUS INDUSTRY STANDARD
ICS 77.140.60
H 43
Replacing YB/T 5222-2004
Quality hot rolled and forged carbon structural steel round
tube blank
Issued on. OCTOBER 14, 2014
Implemented on. APRIL 01, 2015
Issued by. Ministry of Industry and Information Technology of the People's
Republic of China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Ordering content... 7
4 Size, shape, weight and allowable deviations... 7
5 Technical requirements... 9
6 Test methods... 11
7 Inspection rules... 11
8 Packaging, marks, quality certificates... 12
9 Numerical rounding... 12
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces YB/T 5222-2004 "Quality carbon structural steel round tube
blank". Compared with YB/T 5222-2004, the main changes in this document are as
follows.
- Delete the relevant requirements for continuous cast round tube blanks;
- Add the content related to forged round tube blanks;
- Modify the diameter range of round tube blanks;
- Modify the allowable diameter deviation;
- Modify the diameter cut slope;
- Modify the delivery state;
- Modify the relevant regulations on macrostructure.
This Standard was proposed by China Iron and Steel Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee on Steel
of Standardization Administration of China (SAC/TC 183).
The drafting organizations of this Standard. Hunan Valin Xiangtan Iron and Steel Group
Co., Ltd., Hengyang Valin Steel Pipe Co., Ltd., Tianjin Iron and Steel Group Co., Ltd.,
and Metallurgical Industry Information Standards Research Institute.
Main drafters of this Standard. Liu Jianbing, Zhao Bin, Gong Wenxu, Li Xiaoli, Xiao
Hongguang, Sun Guoqing, Wang Yujie, Liu Baoshi, Wu Qingming.
Versions of standard substituted by this Standard are.
- GB/T 11172-1985;
- YB/T 5222-1993, YB/T 5222-2004.
Quality hot rolled and forged carbon structural steel round
tube blank
1 Scope
This Standard specifies the ordering content, size, shape, weight and allowable
deviations, technical requirements, test methods, inspection rules and packaging, marks,
quality certificates, etc. for quality hot rolled and forged carbon structural steel round
tube blanks.
This Standard is applicable to hot-rolled round tubes with a diameter of 50mm~400mm
and forged round tube blanks with a diameter of 60mm~900mm (hereinafter referred
to as tube blanks) for the manufacture of seamless steel pipes.
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 222, Permissible tolerances for chemical composition of steel products
GB/T 223.3, Methods for chemical analysis of iron, steel and alloy. The diantipyryl
methane phosphomolybdate gravimetric method for the determination of
phosphorus content
GB/T 223.5, Steel and iron -- Determination of acid-soluble silicon and total silicon
content -- Reduced molybdosilicate spectrophotometric method
GB/T 223.9, Iron, steel and alloy -- Determination of aluminium content -- Chrome
azurol S photometric method
GB/T 223.11, Iron, steel and alloy -- Determination of chromium content -- Visual
titration or potentiometric titration method
GB/T 223.12, Methods for chemical analysis of iron, steel and alloy. The sodium
carbonate separation-diphenyl carbazide photometric method for the determination
of chromium content
GB/T 223.18, Methods for chemical analysis of iron steel and alloy -- The sodium
thiosulfate separation iodometric method for the determination of copper content
GB/T 223.19, Methods for chemical analysis of iron, steel and alloy. The
neocuproine-chloroform extraction photometric method for the determination of
copper content
GB/T 223.23, Iron, steel and alloy -- Determination of nickel content -- The
dimethylglyoxime spectrophotometric method
3 Ordering content
Contracts or orders for ordering products based on this Standard shall include the
following.
4 Size, shape, weight and allowable deviations
4.1 Size and allowable deviations of tube blanks
4.2 Length and allowable deviation
4.2.1 Usual length
The usual length of hot-rolled tube blanks is 2000mm~12000mm. The usual length of
forged tube blanks is 1000mm~10000mm.
4.3 Shape
4.4 Weight
The tube blanks are delivered according to actual weight. After negotiation between the
supplier and the purchaser and noted in the contract, delivery can also be based on
theoretical weight.
5 Technical requirements
5.1 Designation and chemical composition
5.3 Delivery state
Tube blanks are generally delivered in hot-rolled and forged states. After negotiation
between the supplier and the purchaser and noted in the contract, delivery can also be
made in other states.
5.4 Macrostructure
5.5 Non-metallic inclusions
According to the requirements of the purchaser, the tube blanks can be inspected for
non-metallic inclusions according to Method A in GB/T 10561-2005.The qualification
level is determined by negotiation between the supplier and the purchaser.
5.6 Grain size
According to the requirements of the purchaser, the tube blank can be inspected for
austenite grain size according to GB/T 6394.The qualification level is determined
through coordination between the supplier and the purchaser.
5.7 Surface quality
5.8 Special requirements
After negotiation between the supplier and the purchaser and noted in the contract,
inspection of other items can be carried out. Specific inspection items and indicators
shall be determined through negotiation between both parties.
6 Test methods
The inspection items, sampling quantity, sampling locations and test methods of each
batch of tube blanks shall comply with the provisions of Table 3.
7 Inspection rules
7.1 Inspection and acceptance
The quality of tube blanks is controlled by the supplier's quality supervision department.
The purchaser has the right to conduct re-inspection.
8 Packaging, marks, quality certificates
The marks, packaging and quality certificate of the tube blanks shall comply with the
provisions of GB/T 2101.
9 Numerical rounding
Numerical rounding shall comply with the provisions of YB/T 081.
YB/T 5222-2014
YB
NONFERROUS INDUSTRY STANDARD
ICS 77.140.60
H 43
Replacing YB/T 5222-2004
Quality hot rolled and forged carbon structural steel round
tube blank
Issued on. OCTOBER 14, 2014
Implemented on. APRIL 01, 2015
Issued by. Ministry of Industry and Information Technology of the People's
Republic of China.
Table of Contents
Foreword... 3
1 Scope... 4
2 Normative references... 4
3 Ordering content... 7
4 Size, shape, weight and allowable deviations... 7
5 Technical requirements... 9
6 Test methods... 11
7 Inspection rules... 11
8 Packaging, marks, quality certificates... 12
9 Numerical rounding... 12
Foreword
This Standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This Standard replaces YB/T 5222-2004 "Quality carbon structural steel round tube
blank". Compared with YB/T 5222-2004, the main changes in this document are as
follows.
- Delete the relevant requirements for continuous cast round tube blanks;
- Add the content related to forged round tube blanks;
- Modify the diameter range of round tube blanks;
- Modify the allowable diameter deviation;
- Modify the diameter cut slope;
- Modify the delivery state;
- Modify the relevant regulations on macrostructure.
This Standard was proposed by China Iron and Steel Industry Association.
This Standard shall be under the jurisdiction of National Technical Committee on Steel
of Standardization Administration of China (SAC/TC 183).
The drafting organizations of this Standard. Hunan Valin Xiangtan Iron and Steel Group
Co., Ltd., Hengyang Valin Steel Pipe Co., Ltd., Tianjin Iron and Steel Group Co., Ltd.,
and Metallurgical Industry Information Standards Research Institute.
Main drafters of this Standard. Liu Jianbing, Zhao Bin, Gong Wenxu, Li Xiaoli, Xiao
Hongguang, Sun Guoqing, Wang Yujie, Liu Baoshi, Wu Qingming.
Versions of standard substituted by this Standard are.
- GB/T 11172-1985;
- YB/T 5222-1993, YB/T 5222-2004.
Quality hot rolled and forged carbon structural steel round
tube blank
1 Scope
This Standard specifies the ordering content, size, shape, weight and allowable
deviations, technical requirements, test methods, inspection rules and packaging, marks,
quality certificates, etc. for quality hot rolled and forged carbon structural steel round
tube blanks.
This Standard is applicable to hot-rolled round tubes with a diameter of 50mm~400mm
and forged round tube blanks with a diameter of 60mm~900mm (hereinafter referred
to as tube blanks) for the manufacture of seamless steel pipes.
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 222, Permissible tolerances for chemical composition of steel products
GB/T 223.3, Methods for chemical analysis of iron, steel and alloy. The diantipyryl
methane phosphomolybdate gravimetric method for the determination of
phosphorus content
GB/T 223.5, Steel and iron -- Determination of acid-soluble silicon and total silicon
content -- Reduced molybdosilicate spectrophotometric method
GB/T 223.9, Iron, steel and alloy -- Determination of aluminium content -- Chrome
azurol S photometric method
GB/T 223.11, Iron, steel and alloy -- Determination of chromium content -- Visual
titration or potentiometric titration method
GB/T 223.12, Methods for chemical analysis of iron, steel and alloy. The sodium
carbonate separation-diphenyl carbazide photometric method for the determination
of chromium content
GB/T 223.18, Methods for chemical analysis of iron steel and alloy -- The sodium
thiosulfate separation iodometric method for the determination of copper content
GB/T 223.19, Methods for chemical analysis of iron, steel and alloy. The
neocuproine-chloroform extraction photometric method for the determination of
copper content
GB/T 223.23, Iron, steel and alloy -- Determination of nickel content -- The
dimethylglyoxime spectrophotometric method
3 Ordering content
Contracts or orders for ordering products based on this Standard shall include the
following.
4 Size, shape, weight and allowable deviations
4.1 Size and allowable deviations of tube blanks
4.2 Length and allowable deviation
4.2.1 Usual length
The usual length of hot-rolled tube blanks is 2000mm~12000mm. The usual length of
forged tube blanks is 1000mm~10000mm.
4.3 Shape
4.4 Weight
The tube blanks are delivered according to actual weight. After negotiation between the
supplier and the purchaser and noted in the contract, delivery can also be based on
theoretical weight.
5 Technical requirements
5.1 Designation and chemical composition
5.3 Delivery state
Tube blanks are generally delivered in hot-rolled and forged states. After negotiation
between the supplier and the purchaser and noted in the contract, delivery can also be
made in other states.
5.4 Macrostructure
5.5 Non-metallic inclusions
According to the requirements of the purchaser, the tube blanks can be inspected for
non-metallic inclusions according to Method A in GB/T 10561-2005.The qualification
level is determined by negotiation between the supplier and the purchaser.
5.6 Grain size
According to the requirements of the purchaser, the tube blank can be inspected for
austenite grain size according to GB/T 6394.The qualification level is determined
through coordination between the supplier and the purchaser.
5.7 Surface quality
5.8 Special requirements
After negotiation between the supplier and the purchaser and noted in the contract,
inspection of other items can be carried out. Specific inspection items and indicators
shall be determined through negotiation between both parties.
6 Test methods
The inspection items, sampling quantity, sampling locations and test methods of each
batch of tube blanks shall comply with the provisions of Table 3.
7 Inspection rules
7.1 Inspection and acceptance
The quality of tube blanks is controlled by the supplier's quality supervision department.
The purchaser has the right to conduct re-inspection.
8 Packaging, marks, quality certificates
The marks, packaging and quality certificate of the tube blanks shall comply with the
provisions of GB/T 2101.
9 Numerical rounding
Numerical rounding shall comply with the provisions of YB/T 081.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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