ASTM B311 Accredited Testing Labs in United States
14 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASTM B311 testing. From the accredited scope text: “ASTM B311 Density, Oil Content and Interconnected Porosity of Sintered Metal Structural Parts and Oil-Im pregnated Bearings ASTM B328 Powder Size Distribution by Light Scattering ASTM B822, MAS-PSD-B8” “ASTM B311 Surface Integrity Acceptability GE: P29TF73 Coatings Testing & Evaluation Bond Strength of Thermal Sprayed Coatings GE: E50TF60; ASTM C633 Hoffman Scratch Test GE: E50TF61 Met. Prep. & Eval.” “ASTM B311 1In-house test procedure. 2 Please note that this is not a test method but rather a heat treatment specification covering the pyrometric requirements for sample and specimen preparation.” “ASTM B311 Fasteners: Stress Durability (Hydrogen Embrittlement) ASTM A574, F835, F912; SAE/USCAR-7; SAE J78, J81, J1237; GM512M2 (obsolete 8/11), GM6010M2 (obsolete 8/11), GM6171M2 (obsolete 8/11); GM”
This page is a fixed slice of the register: every ASTM B311 scope we hold for United States. Search narrows it further by city, accreditation body, or a term from the scope text itself.
ISO/IEC 17025 is the international standard for the competence of testing and calibration laboratories. Accreditation to this standard provides independent confirmation that a laboratory operates a quality management system and is technically competent to produce valid results within its declared scope.