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GB/T 11101-2020 English PDF (GBT11101-2020)

GB/T 11101-2020 English PDF (GBT11101-2020)

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GB/T 11101-2020: Cemented carbide blanks for round rods

This Standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates, and contract (or purchase order) content of cemented carbide blanks for round rods. This Standard is applicable to cemented carbide blanks for round rods for cutting tools, stamping tools and wear-resistant measuring tools.
GB/T 11101-2020
NATIONAL STANDARD OF THE
PEOPLE REPUBLIC OF CHINA
ICS 77.160
H 72
Replacing GB/T 11101-2009
Cemented Carbide Blanks for Round Rods
ISSUED ON: MARCH 06, 2020
IMPLEMENTED ON: FEBRUARY 01, 2021
Issued by: State Administration for Market Regulation;
Standardization Administration of PRC.
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative References ... 4
3 Requirements ... 4
4 Test Methods ... 7
5 Inspection Rules ... 7
6 Marking, Packaging, Transportation, Storage and Quality Certificates ... 8 7 Contents of Contract (or Purchase Order) ... 9
Foreword
This Standard was drafted as per the rules specified in GB/T 1.1-2009.
This Standard replaced GB/T 11101-2009 Cemented Carbide Blanks for Round Rods. Compared with GB/T 11101-2009, this Standard made the major technical changes as follows besides the editorial modifications:
--- Delete "printed circuit board microdrill" in the scope (see Clause 1 of 2009 Edition);
--- Delete the relevant requirements for "round rods for printed circuit board microdrill" (see Clause 3 of 2009 Edition);
--- Modify "model representation rules" into "marking example" (see 3.1.2 of this Edition; 3.2 of 2009 Edition);
--- Confirm physical and mechanical properties, microstructure requirements (see 3.3 of this Edition; 3.4 of 2009 Edition);
--- Modify "model and size" into "size and shape"; and revise the relevant requirements (see 3.4 of this Edition; 3.5 of 2009 Edition).
This Standard was proposed by China Nonferrous Metals Industry Association. This Standard shall be under the jurisdiction of National Technical Committee for Standardization of Nonferrous Metals (SAC/TC 243).
Drafting organizations of this Standard: Xiamen Golden Egret Special Alloy Co., Ltd.; Zigong Cemented Carbide Co., Ltd.; Zhuzhou Cemented Carbide Group Co., Ltd.; Shenzhen Zhucheng Science & Technology Co., Ltd.; and Nanchang Cemented Carbide Limited Liability Company.
Chief drafting staffs of this Standard: Jiang Tao, Zou Jianping, Chen Chengyi, Fan Zhirui, Li Yunlong, Jiang Yuanxiang, Liao Jun, Liu Tiemei, Zhang Yue, Yang ligeng, and Wu Aihua.
The historical editions replaced by this Standard are as follows:
--- GB/T 11101-1989, GB/T 11101-2009.
Cemented Carbide Blanks for Round Rods
1 Scope
This Standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, storage, quality certificates, and contract (or purchase order) content of cemented carbide blanks for round rods.
This Standard is applicable to cemented carbide blanks for round rods for cutting tools, stamping tools and wear-resistant measuring tools.
2 Normative References
The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this document.
GB/T 5242 Check Rules and Test Methods of Cemented Carbide Products
GB/T 5243 Marking, Packing, Transport and Storage of Cemented Carbide
Products
3 Requirements
3.1 Schematic diagram and marking example
3.1.1 Product schematic diagram
The product schematic diagram can refer to Figure 1.
Table 6 Unit: mm
4 Test Methods
4.1 The chemical composition of the product shall be analyzed in accordance with the provisions of GB/T 5242, or determined by negotiation between the supplier and the purchaser.
4.2 The physical and mechanical properties and the microstructure of the product shall be inspected in accordance with the provisions of GB/T 5242, or determined by negotiation between the supplier and the purchaser.
4.3 The size and shape of the product shall be inspected in accordance with the provisions of GB/T 5242.
4.4 The appearance quality of the product shall be inspected in accordance with the provisions of GB/T5242.
5 Inspection Rules
5.1 Inspection and acceptance
5.1.1 The product shall be inspected by the supplier to ensure that the product complies with the requirements of this Standard and the contract (or purchase order), and fill in the quality certificate.
5.1.2 The purchaser can inspect the received products according to the provisions of this Standard. If the inspection results are inconsistent with the provisions of this Standard and the contract (or purchase order), it shall be submitted within 3 months from the date of receipt of the products; it shall be resolved through consultation between the supplier and the purchaser. If arbitration is required, arbitration sampling shall be conducted by both supplier and purchaser on the purchaser site. 5.2 Batching
Products should be submitted for inspection in batches; and each batch of products should consist of products with the same chemical composition and the same specifications.
Diameter Allowable value for the length and width of the edge-dropping or corner-dropping Allowable value for the depth of the edge-
dropping or corner-dropping

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