SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017. KPF 27327, 50, Chungjusandan 5-ro, Chungju-si, Chungcheongbuk-do, KOREA

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1 SCOPE OF ACCREDITATION TO ISO/IEC 17025:2017 KPF 27327, 50, Chungjusandan 5-ro, Chungju-si, Chungcheongbuk-do, KOREA Kwang Yang Kim QM/Lab General Manger Youn O Choi yochoi@kpf.co.kr QM/Lab Manager Choong Il Lee cilee@kpf.co.kr QM & Technical Supervisor Doyoon Kim chkim@kpf.co.kr Hands-On Staff Phone: Fax: MECHANICAL Valid To: October 31, 2020 Certificate Number: In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following fastener tests: Test Hardness Rockwell (HR30N, HRBW, HRC) Brinell (HBW) 10/3000kgf Microhardness Vickers (HV 300gf, 500gf) Test Methods ASTM A370, E18, F606/F606M; ISO ; SAE J417 ASTM A370, E10, F606/F606M; ISO ASTM E384; ISO Impact (Charpy) ASTM A370, E23; ISO Prevailing Torque IFI 101, 100/107; ISO 2320; DIN 267 Part 15 (1983) 1 Proof Load Bolt (Length Measurement) ASTM A370, F606/F606M; ISO 898-1; SAE J429 Nut ASTM A962/A962M, F606/F606M; ISO 898-2; SAE J995 (A2LA Cert. No ) 11/15/2018 Page 1 of 4

2 Test Test Methods Rotational Capacity AS/NZS 1252; ASTM A325 (2014) 1, A325M (2014) 1, F3125/F3125M; EN , -4 Salt Spray Tensile Strength (Axial, Wedge, Full Size or Machined Specimens of Bolt/Stud) Yield Strength Elongation Reduction of Area ASTM B117 ; SAE J429 Tension Control (Twist-off Bolts) ASTM F1852 (2014) 1, F2280 (2014) 1, F3125/F3125M; EN ; JSS II- 09 Decarburization (Hardness Method & Optical Method) ASTM E384, F2328; ISO 898-1; SAE J121 (2013) 1, J429 Discontinuities ASTM F788, F812; ISO , -3; SAE J122, J123 (2012) 1, J1061 (2012) 1 Coating Thickness - Magnetic Non-Metal Layer on Iron Plating Thickness - X-ray (Fe/Zn) Metallographic Evaluation Macroetch Chemical Testing Chemical Composition Optical Emission Spectrometric on Carbon and Low Alloy Steel (Al, B, C, Co, Cr, Cu, Mn, Mo, Ni, P, S, Si, Ti, V) Optical Emission Spectrometric on Austenitic Stainless Steel (Al, B, C, Co, Cr, Cu, Mn, Mo, Ni, P, S, Si, Ti, V) ASTM B499 ASTM B568, F1941/F1941M; ISO 4042 ASTM E381 ASTM E415 ASTM E1086 (A2LA Cert. No ) 11/15/2018 Page 2 of 4

3 I. Dimensional Testing 2 : Parameter Range CMC 3 (±) Technique / Method Thread: Internal Thread M10 to M64 3/8 to 3 Go/No Go plug gages / ASME B1.2; ISO 1502 External Thread M10 to 64 3/8 to 3 Go/No Go ring gages / ASME B1.2; ISO 1502 Angle Up to Profile projector / KS B 0239 Radius Up to 60 R Up to 2.40 in 0.12 mm in Profile projector / KS B 0239 Straightness Bolt / Stud / Bar / Pin with Length up to 600 mm Straightness gage / ASME B Slotted Width Up to 75 mm Up to 3 in Slot gages / ASME B Linear (1D) Up to 600 mm Up to 24 in 0.09 mm in Calipers / KS B 0239 Up to 200 mm Up to 8 in mm in Digital calipers / KS B 0239 Up to 4 in 0.02 mm in Micrometer / KS B 0239 Up to 4 in mm Digital micrometer / KS B 0239 Up to 50 mm Up to 2 in mm Digital dial gage / JIS B1071 (A2LA Cert. No ) 11/15/2018 Page 3 of 4

4 Parameter Range CMC 3 (±) Technique / Method Linear (1D) (cont.) Up to 0.80 mm Up to in mm Length Indicator / ASME B Linear (2D) X axis: Up to 200 mm Up to 7.6 in Y axis: Up to 3.9 in X axis: 7 m Y axis: 4 m Profile projector / KS B 0239 Surface Roughness Ra Up to 3.8 m 1.1 m Profilometer / ASME B46.1 Concentricity, Symmetry, and Run-Out Up to mm Up to in mm in Concentricity gage with (threeroll gage) dial gage / JIS B NOTE: This laboratory s scope contains withdrawn or superseded methods. As a clarifier, this indicates that the applicable method itself has been withdrawn or is now considered historical and not that the laboratory s accreditation for the method has been withdrawn. 2 Commercial dimensional testing services are available for this laboratory. These tests are not equivalent to that of a calibration. 3 Calibration and Measurement Capability (CMC) is the smallest uncertainty of measurement that a laboratory can achieve within its scope of accreditation when performing more or less routine measurements of nearly ideal measurement standards or nearly ideal measuring equipment. Calibration and Measurement Capabilities represent expanded uncertainties expressed at approximately the 95 % level of confidence, usually using a coverage factor of k = 2. The actual measurement uncertainty of a specific measurement performed by the laboratory may be greater than the CMC due to the behavior of the customer s device and to influences from the circumstances of the specific measurement. (A2LA Cert. No ) 11/15/2018 Page 4 of 4

5 Accredited Laboratory A2LA has accredited KPF Chungju-si, Chungcheongbuk-do, KOREA, for technical competence in the field of Mechanical Testing This laboratory is accredited in accordance with the recognized International Standard ISO/IEC 17025:2017 General requirements for the competence of testing and calibration laboratories. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory quality management system (refer to joint ISO-ILAC-IAF Communiqué dated April 2017). Presented this 15 th day of November President and CEO For the Accreditation Council Certificate Number Valid to October 31, 2020 For the types of tests to which this accreditation applies, please refer to the laboratory s Mechanical Scope of Accreditation.