This standard specifies the brake pads produced by powder metallurgy technology for medium-sized trucks and their variant vehicles using wheel hub brakes whose wheel hub materials comply with HT200 specified in GB/T 9439-2010 or other materials with equivalent performance. (hereinafter referred to as the friction plate) type, size, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage, etc. This standard applies to iron-based powder metallurgy brake friction linings for medium-sized trucks.
JB/T 9135-2011 Referenced Document
GB/T 10421-2002 Sintered metal friction materials--Determination of density
GB/T 10424-2002 Sintered metal friction materials--Determination of compressive strength
GB/T 10425-2002 Sintered metal friction materials--Determination of apparent hardness
GB/T 2828.1-2003 Sampling procedures for inspection by attributes--Part 1: Sampling schemes indexed by acceptance quality limit(AQL) for lot-by-lot inspection
GB/T 710-2008 Hot-rolled quality carbon structural steel sheets and strips