1、 WORLDWIDE ENGINEERING STANDARDS Material Specification GMW16942 Polyamide 6 - Heat Stabilized, Extrusion Grade Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 1 of 3 1 Scope 1.1 Material Description. This specification describes heat stabilized, extrusion grade polyamide 6 (
2、nylon 6). 1.2 Symbols. The material abbreviation according to ISO 11469 is PA6PA6 Density ISO 1183 g/cm3 Target Range 1.04 to 1.11 Moisture Content ISO 15512, Method A or B or GMW14335 % 0.2 Tensile Modulus ISO 527 MPa 1700 to 2000 Tensile Stress at Break ISO 527 MPa 28 Tensile Stress at Break after
3、 Heat Aging, 1000 h at 110 C ISO 527 ISO 188 % Retention 75 Strain at Break ISO 527 % 15 Notched Charpy Impact Strength at +22 C at -30 C ISO 179/1eA kJ/m2 65 10 Notched Charpy Impact Strength after Heat Aging, 1000 h at 110 C, Notch specimens prior to aging ISO 179/1eA ISO 188 % Retention 75 Meltin
4、g Temperature ISO 3146 or ISO 11357-3 C Target Range 210 to 225 Heat Deflection Temperature Under Load, 1.8 MPa ISO 75-2 C 42 Coefficient of Linear Thermal Expansion (CLTE) Parallel to Flow Perpendicular to Flow ASTM E831 or ISO 11359-2, Thermal Mechanical Analysis (TMA), Mean secant value over the
5、temperature range -30 C to +160 C 10-6 mm/mm/C 120 220 4 Manufacturing Process Not applicable. 5 Rules and Regulations 5.1 Legal Regulations. All materials must satisfy applicable laws, rules, regulations and recommendations valid in the country of usage. 5.2 Language. In the event of conflict betwe
6、en the English and domestic language, the English language shall take precedence. 5.3 Inspection and Rejection. Samples of components or materials released to a GM material specification shall be tested for conformity with the requirements of this material specification and approved by the responsib
7、le Engineering department prior to commencement of delivery of bulk supplies. A new approval must be received for any changes, e.g., properties, manufacturing process, location of manufacture, etc. If not otherwise agreed, all testing and documentation normally required for initial release must be c
8、ompleted. It is the responsibility of the supplier to inform the customer in a timely manner, without solicitation, and to include documentation of all modifications of materials and/or processes and to apply for a new release. Copyright General Motors Company Provided by IHS under license with Gene
9、ral Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-GM WORLDWIDE ENGINEERING STANDARDS GMW16942 Copyright 2013 General Motors Company All Rights Reserved May 2013 Page 3 of 3 If not otherwise agreed, all release tests shall be repeated and documented
10、by the supplier prior to commencement of delivery of non-conforming bulk supplies. In individual cases, a shorter test can be agreed to between the responsible Engineering department and the supplier. 5.4 Material Safety Data Sheets/Safety Data Sheets (MSDS/SDS). For new product submissions, or when
11、 a change in chemical composition of an existing product has occurred, a complete copy of the Material Safety Data Sheet/Safety Data Sheet must be submitted in compliance with the Globally Harmonized System of Classification and Labeling of Chemicals (GHS) requirements or other country-specific MSDS
12、/SDS requirements. In addition, product MSDS/SDS submissions must be in compliance with specific country General Motors TMC003 Material Safety Data Sheet/Safety Data Sheet guidance documents where available. 5.5 All materials supplied to this standard must comply with the requirements of GMW3059, Re
13、stricted and Reportable Substances for Parts. 6 Approved Sources Materials supplied to this specification must be approved by General Motors. A list of approved materials can be found in MATSPC. This GM Material File is provided to third parties to reduce redundant testing of materials. If approved
14、material already listed is used, the part supplier can use GM Material File reference for Production Part Approval Process (PPAP) material approval. If the decision is made to use a not yet approved material, contact GM Materials Engineering for details on the approval process. The material approval
15、 process must be completed prior to PPAP start date of the part supplied to General Motors. 7 Notes 7.1 Glossary. MATSPC: Global repository of GM approved materials for corresponding GM Engineering Standards. 7.2 Acronyms, Abbreviations, and Symbols. CLTE Coefficient of Linear Thermal Expansion GHS
16、Globally Harmonized System of Classification and Labeling of Chemicals MSDS Material Safety Data Sheet PPAP Production Part Approval Process SDS Safety Data Sheet TMA Thermal Mechanical Analysis 8 Coding System This standard shall be referenced in other documents, drawings, etc., as follows: Materia
17、l per GMW16942P-PA6 9 Release and Revisions This standard was originated in March 2013. It was first approved by the Plastics Global Subsystem Leadership Team in May 2013. It was first published in May 2013. Issue Publication Date Description (Organization) 1 MAY 2013 Initial publication. Cross Refe
18、rence of Replaced Specifications GMW16942 Replaced Specifications GMW16942P-PA6 GMP.PA6.016 Approval to the replaced specification does not guarantee approval to this specification. Recertification is required. Copyright General Motors Company Provided by IHS under license with General Motors CompanyNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
