This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of rust-removing hammers. This standard applies to rust-removing hammers. QB/T 1290.6-1991 Steel hammer rust-removing hammer QB/T1290.6-1991 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
Rust-breaking Hammer
Subject Content and Scope of Application
QB/T1290.6-1991
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of rust-breaking hammers. This standard applies to rust-breaking hammers.
2 Reference Standards
GB/T5305 Packaging, marking, transportation and storage of hand tools GB/T13473 General Technical Conditions for Steel Hammers
3 Product Classification
3.1 Type
The type of rust-breaking hammer is shown in the figure below.
Rust-breaking Hammer Type Diagram
3.2 Basic Dimensions
The basic dimensions of rust-breaking hammers are as specified in the table below. Approved by the Ministry of Light Industry of the People's Republic of China on October 17, 1991 and implemented on June 1, 1992
Basic dimensions
QB/T1290.6—-1991
Basic dimensions
Note: This table does not include special specifications and types of rust-removing hammers. Tolerance
②The hammer hole size shall comply with the provisions of Appendix A of GB/T13473. 3.3 Product marking
Basic dimensions
The marking of rust-removing hammers shall consist of product name, specification and standard number. Marking example: Rust-removing chain 0.20QB/T1290.64 Technical requirements
4.1 Hardness
The hardness of both ends of the hammer body of the rust-removing hammer shall be HRC 48~56. 4.2 Other requirements
Other technical requirements for rust-removing hammers shall comply with the provisions of Chapter 4 of GB/T13473. 5 Test method
The test method of the rust knocking hammer shall be carried out in accordance with the provisions of Chapter 5 of GB/T13473. 6 Inspection rulesbzxZ.net
The inspection rules of the rust knocking hammer shall be carried out in accordance with the provisions of Chapter 6 of GB/T13473. 7 Marking, packaging, transportation, storage
The marking, packaging, transportation and storage of the rust knocking hammer shall be in accordance with the provisions of GB/T5305. Additional notes:
This standard is proposed by the Quality Standards Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Tool Hardware Standardization Center. This standard was drafted by the Steel Hammer Industry Standard Drafting Working Group. The main drafters of this standard are Lin Meide, Jing Guofan, Liu Yongbao and Chi Renheng. 484
Basic size
Hammer hole number
A—04
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