GB/T 23370-2009 English PDF

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GB/T 23370-2009: Hard metals -- Compression test
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23370-2009	154	Add to Cart	3 days	Hard metals -- Compression test	Valid

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Basic data

Standard ID: GB/T 23370-2009 (GB/T23370-2009)
Description (Translated English): Hard metals -- Compression test
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H16
Classification of International Standard: 77.160
Word Count Estimation: 8,812
Date of Issue: 2009-03-19
Date of Implementation: 2010-01-01
Adopted Standard: ISO 4506-1979, IDT
Regulation (derived from): National Standard Approval Announcement 2009 No.3 (Total No.143)
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 ultimate strength of carbide and compressive yield point load acting under way in uniaxial.

GB/T 23370-2009: Hard metals -- Compression test

---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.
Hardmetals. Compression test ICS 77.160 H16 National Standards of People's Republic of China GB/T 23370-2009/ISO 4506. 1979 Carbide compression test method (ISO 4506. 1979, IDT) Posted 2009-03-19 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is equivalent to using ISO 4506. 1979 "Carbide compression test method." This standard and ISO 4506. 1979 compared to made some editorial changes. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard by Zhuzhou Cemented Carbide Group Co., Ltd. is responsible for drafting. The main drafters of this standard. Luo Long, Li Huifang. GB/T 23370-2009/ISO 4506. 1979 Carbide compression test method

1 Scope

This standard specifies the determination of the ultimate strength and yield carbide point compressive load under the action of the method in uniaxial. Principle 2 The sample is placed between two hard metal bearing seat, an axial load is applied to the specimen until the specimen is expected to deformation or rupture.

3 symbols and their meanings

Symbols and their meanings are shown in Table 1. Table 1 Symbol Meaning Unit So the minimum original cross mm2 Fc yield load N Fc0.2 0.2% yield load N Fcu limit load, that is broken when the instantaneous load N R stress N/mm2 εc strain% E Young's modulus N/mm2 Rc Yield strength N/mm2 Rc0.2 0.2% yield strength N/mm2 Rcm ultimate compressive strength N/mm2

4 Device

4.1 design and manufacturing test machine should be capable of applying the load evenly, and in consideration of the measurement range, the maximum error is loaded ± 1%. 4.2 Specimens shall be fixed between two rigid concentricity good reliable hardness of not less than 1600HV carbide support base. Sample And the contact surface between the two bearing should be perpendicular to the loading axis, two parallel contact surfaces within 0.5μm/mm range. Figure 1 illustrates A suitable carbide bearing seat.

5 Sample

5.1 Sample size should meet the requirements of Figure 2. Face and cylindrical surface at both ends of the specimen shall be polished surface without additional grinding (grinding or polishing Light may affect the test results) 1). 1) with a cylindrical sample ASTME9-1977 or USSRTU-48-19-280-78 prescribed, the results may be less accurate. GB/T 23370-2009/ISO 4506. 1979 ......

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