GB 4234.9-2023 Active National standards force_standard

GB 4234.9-2023 Implants for surgery—Metallic materials—Part 9:Wrought high nitrogen stainless steel

GB 4234.9-2023 Implants for surgery—Metallic materials—Part 9:Wrought high nitrogen stainless steel

Publish Date: 2023-11-27 Implement Date: 2025-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB 4234.9-2023

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Orthopaedic surgery, orthopaedic instruments

ICS Name: Surgical implants, prostheses, and orthoses

Publish Date: 2023-11-27

Implement Date: 2025-12-01

Pages: 12 pages

Scope

This document specifies the characteristics of high-strength and corrosion-resistant surgical implants made from stainless steel with a nitrogen content of 0.25% to 0.50%, and describes the corresponding test methods. This document is applicable to the testing and evaluation of forged high-nitrogen stainless steel materials used in the manufacture of surgical implants. Note: For the requirements of other surgical implant stainless steels, please refer to GB 4234.1.

Development Information

Word Count: 19 Thousand words Pages: 12 pages

Referenced Standards

GB/T 4334-2020 Corrosion of metals and alloys—Test methods for intergranular corrosion of austenitic and ferritic-austenitic (duplex) stainless steels GB/T 10561-2023 Determination of content of nonmetallic inclusions in steel—Micrographic method using standard diagrams GB/T 17505-2016 Steel and steel products—General technical delivery requirements ISO 643 GB/T 228.1-2010 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 228.1-2021 Metallic materials—Tensile testing—Part 1:Method of test at room temperature GB/T 2975-1998 Steel and steel products—Location and preparation of test pieces for mechanical testing GB/T 2975-2018 Steel and steel products—Location and preparation of samples and test pieces for mechanical testing GB/T 6394-2002 Metal-methods for estimating the average grain size GB/T 6394-2017 Determination of estimating the average grain size of metal

Adopt standards

ISO 5832-9:2019

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