GB/T 21834-2008 English PDF

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GB/T 21834-2008: Medium and low alloy steel -- Determination of the distribution of multi-element contents -- Original position statistic distribution analysis method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 21834-2008	349	Add to Cart	3 days	Medium and low alloy steel -- Determination of the distribution of multi-element contents -- Original position statistic distribution analysis method	Valid

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Basic data

Standard ID: GB/T 21834-2008 (GB/T21834-2008)
Description (Translated English): Medium and low alloy steel -- Determination of the distribution of multi-element contents -- Original position statistic distribution analysis method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H11
Classification of International Standard: 77.080.20
Word Count Estimation: 15,147
Date of Issue: 2008-05-13
Date of Implementation: 2008-11-01
Quoted Standard: GB/T 4236; YB/T 4002; YB/T 4003
Regulation (derived from): National Standard Approval Announcement 2008 No.8 (Total No.121)
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 determination of the statistical distribution of carbon in situ metal analysis, distribution bell and other ingredients, silicon, manganese, phosphorus, sulfur, chromium, Nickel, copper, titanium, niobium, molybdenum, vanadium. This standard applies to the determination of the cross section containing the length of 30 mm to 120 mm, a width of 30 mm to 120 mm rectangular or square area, high- low alloy steel for the bulk samples of 10 mm to 50 mm. General analysis of the largest area of not more than 6400m meters, analysis does not exceed the maximum length of 120 mm.

GB/T 21834-2008: Medium and low alloy steel -- Determination of the distribution of multi-element contents -- Original position statistic distribution analysis method

---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.
Medium and low alloy steel. Determination of the distribution of multi-element contents. Original position statistic distribution analysis method ICS 77.080.20 H11 National Standards of People's Republic of China Determination of low-alloy steel multi-element distribution of Metal position statistic distribution analysis Posted 2008-05-13 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was first formulated. The Standard Appendix A, Appendix B, Appendix C is a normative appendix. The standard proposed by China Iron and Steel Association. This standard is under the jurisdiction of the National Steel Standardization Technical Committee. This standard is drafted by. China Iron and Steel Research Institute Group, Baosteel, Tangshan Iron & Steel Co., Maanshan Iron & Steel Co., Ltd., Shougang, Jinan Iron and Steel Co., Ltd., Tianjin Seamless Steel Tube Plant, Tianjin-day Iron Metallurgy Group Co., Ltd. Hunan Valin Xiangtan Iron & Steel Co., Ltd. The main drafters of this standard. LI Mei-ling, Chen Jiwen, Wang Hui, Zhang Xiuxin, Wu Chao, Guyun Hai, Wang Haizhou. Determination of low-alloy steel multi-element distribution of Metal position statistic distribution analysis Warning. Use of this standard shall have a person experiences regular lab work. This standard does not point out all possible security issues. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies the determination of carbon, silicon, manganese, phosphorus, sulfur, chromium, nickel, copper, titanium, niobium, molybdenum, vanadium, aluminum and other metal components in situ statistical distribution analysis Distribution. This standard applies to the determination of the cross-section comprising a length of 30mm ~ 120mm, width of 30mm ~ 120mm square or rectangular area Field, high to low alloy steel sample block of 10mm ~ 50mm. General analysis of the area does not exceed the maximum 6400mm2, analysis length maximum Not more than 120mm. Quantitative determination of the elements range in Table 1. Table 1 Measuring element Measuring range (mass fraction) /% Carbon 0.01 to 1.5 Silicon 0.01 to 1.5 Manganese 0.005 to 2.5 P 0.005 to 0.15 Sulfur 0.002 ~ 0.07 Chromium 0.01 to 5 Nickel 0.01 to 5.0 Copper 0.01 to 1.5 Titanium 0.005 to 1.0 0.01 to 1.0 niobium Molybdenum 0.01 to 1.0 Vanadium 0.01 to 1.0 Aluminum 0.005 to 1.0

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. Sulfur print test method GB/T 4236 Steel YB/T 4002 continuous casting billet macrostructure and defect Fig. YB/T 4003 slab continuous casting macrostructure and defect Fig. ......

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