ASME B18.6.3 Accredited Testing Labs in United States
6 laboratories in United States are accredited by A2LA under ISO/IEC 17025 to perform ASME B18.6.3 testing. These labs commonly handle Steel matrices. Most frequently tested analytes via this method in United States: Al, Angle, Angles. Accredited providers include Fastenal Company Laboratory - Taiwan, JC Precision Laboratory (JC Grand Corporation), Q-Lab, Fastenal Company Laboratory - Shanghai, Fastenal Company. Sites located in Kaohsiung, Gangshan District, Kaohsiung City 820, R.O.C, Tainan R.O.C., Shanghai, Winona, MN.
Accredited Labs
(A2LA Cert. No. 1046.03) Revised 01/07/2026 Page 5 of 5 Parameter/Equipment Range CMC2 (±) Technique/Method Straightness3 Up to 1 in 0.00 18 in Straightness gage / ASME B18.2.9; IFI 138 Spring Pin Gaging
(A2LA Cert. No. 2677.01) 03/28/2024 Page 2 of 2 Dimensional Testing1 Parameter Range CMC2 (±) Technique / Standard Length (Linear)
(A2LA Cert. No. 871.01) 07/11/2025 Page 3 of 5 I. Dimensional Testing1: Parameter Range Technique / Method Angle2 Up to 360° Up to 180° Up to 360° Optical comparator / CNS 11091 Contour measurement / QEM 049 Vision
(A2LA Cert. No. 1046.04) 10/08/2024 Page 2 of 4 Test Test Method(s) Drive Torque FIP 1000; SAE J81; ISO 7085; ASME B18.6.3 Drive Test FIP 1000; SAE J933, J81; ISO 7085; ASME B18.6.3 Drilling Test SAE J78; ISO 10666 Plating
(A2LA Cert. No. 1046.08) Revised 12/13/2024 Page 2 of 3 Test Test Methods Ductility ASME B18.6.3; F.I.P.-1000; SAE J78, J81, J1237; DIN 7500-1 Metallographic Evaluation Case Depth SAE J423, J78 Decarburization ASTM F83
(A2LA Cert. No. 4520.01) 10/13/2025 Page 2 of 2 I. Dimensional Testing 1 Parameter/Equipment Range Comments Angle2 Up to 360° Video measuring machine, JIS B1071 Radius 2 Up to 12.5 mm Video measuring
Top matrices for ASME B18.6.3 in United States
Top analytes for ASME B18.6.3 in United States
- Al (1)
- Angle (1)
- Angles (1)
- Length (1)
- Pitch Diameter (1)
About ISO/IEC 17025 in United States
American Association for Laboratory Accreditation (A2LA) is the primary accreditation body issuing ISO/IEC 17025 accreditation for testing laboratories in United States.
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.