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GB/T 119.1-2000 PDF English

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GB/T 119.1-2000: Parallel pins, of unhardened steel and austenitic stainless steel
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GB/T 119.1: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
GB/T 119.1-200070 Add to Cart Auto, 9 seconds. Parallel pins, of unhardened steel and austenitic stainless steel  
GB/T 119-1986RFQ ASK 3 days Parallel pins Obsolete

Similar standards

GB/T 90.1   GB/T 97.1   GB/T 91   GB/T 798   

GB/T 119.1-2000: Parallel pins, of unhardened steel and austenitic stainless steel

---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/GBT119.1-2000
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.060.50 J 13 eqv ISO 2338.1997 Parallel Pins, of unhardened steel and austenitic stainless steel Issued on: SEPTEMBER 26, 2000 Implemented on: FEBRUARY 01, 2001 Issued by. State Bureau of Quality Technical Supervision (CSBTS)

Table of Contents

Foreword... 3 ISO Foreword... 5 1 Scope... 6 2 Normative references... 6 3 Dimensions... 6 4 Requirements and reference International Standards... 8 5 Designation... 8

Foreword

This standard is identical to the international standard ISO 2338.1997 "Parallel Pins, of Unhardened Steel and Austenitic Stainless Steel". This standard is a part of the national standard series of "Pin" products, and this series includes the following. a) Cotter. GB/T 91; b) Taper pin. GB/T 117, GB/T 118, GB/T 877 and GB/T 881; c) Straight pin. GB/T 119.1, GB/T 119.2, GB/T 120.1, GB/T 120.2, GB/T 878 and GB/T 880; d) Axis pin. GB/T 882; e) Spring pin. GB/T 879.1, GB/T 879.2, GB/T 879.3, GB/T 879.4 and GB/T 879.5; f) Groove pin. GB/T 13829.1, GB/T 13829.2 and GB/T 13829.3; g) The packing technical requirements are not specified in ISO 2338, but specified in this standard (Table 2); h) Simplified marks are not specified in ISO 2338.But this standard provides the example of simplified marks (Article 5.2) in accordance with the simplification principle of GB/T 1237. This standard is one of the revised editions of GB/T 119-1986, and the main changes are as follows. a) Delete A, C and D types; cancel the diameter tolerance of h11and u8 and specify that other tolerances shall be agreed between the supplier and the purchaser (Figure 1 and Table 1); b) Add the specification that nominal length l greater than 200mm shall be ascended by 20mm (Table 1). c) Adjust the specification about material and heat treatment (Table 2) in complete way; d) Add non-surface treatment and phosphating for steel pin (Table 2); e) Specify clearly that all the tolerances are applicable to the tolerance before coating and plating only (Table 2). From the implementation data hereof, this standard will replace the related part of GB/T 119-1986. This standard was proposed by the State Bureau of Machine Building Industry. This standard shall be under the jurisdiction of Fastening Piece Technical Committee for Standardization of China. This standard is responsibly drafted by Academy of Machinery Science & Technology; and participated-drafted by Beijing Fasteners Industrial (Group) Company and Shanghai Liubiao Fasteners Co., Ltd.. The Secretariat of National Technical Committee on Fasteners of Standardization Administration of China is responsible for the interpretation of this standard.

4 Requirements and reference International Standards

Table 2 — Requirements and reference International Standards Material1) Steel Austenitic stainless steel Hardness 125 HV30 to 245 HV30 A1 (GB/T 3098.6) hardness 210 ~ 280 HV30 Surface roughness tolerance m6.Ra ≤ 0.8 µm tolerance h8.Ra ≤ 1.6 µm Surface discontinuities Pins shall be free of irregular or detrimental defects. No burrs shall appear on any part of the pin. Surface treatment Without treatment; Oxidation; Zinc plating and purification shall be in accordance with GB/T 5267; Phosphating shall be in accordance with GB/T 11376 Simple treatment Other surface plating or surface treatment shall be agreed between customer and supplier. All tolerances are applicable to the tolerance before coating and plating only. Acceptance and package GB/T 90 1) Other materials as agreed between customer and supplier.

5 Designation

5.1 The designation methods shall be in accordance with specifications in GB/ T 1237. 5.2 Designation illustration An unhardened steel parallel pin, with nominal diameter d = 6 mm, tolerance class m6 and nominal length l = 30 mm is designated as follows. Pin GB/T 119.1 6 m6 × 30 An unhardened austenitic stainless steel pin of grade A1, with nominal diameter d = 6 mm, tolerance class m6 and nominal length l = 30 mm is designated as follows. Pin GB/T 119.1 6 m6 × 30-A1 ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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