ACCREDITED LABORATORY. SUN-TEC CORPORATION Novi, MI for technical competence in the field of Calibration

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1 THE AMERICAN ASSOCIATION FOR LABORATORY ACCREDITATION ACCREDITED LABORATORY A2LA has accredited SUN-TEC CORPORATION Novi, MI for technical competence in the field of Calibration The accreditation covers the specific calibrations listed on the agreed scope of accreditation. This laboratory meets the requirements of ISO/IEC "General Requirements for the Competence of Testing and Calibration Laboratories." This laboratory also meets the requirements of ANSI/NCSL Z and any additional program requirements in the field of calibration. Presented this 16 th day of June President For the Accreditation Council Certificate Number Valid to March 31, 2007 For the calibrations to which this accreditation applies, please refer to the laboratory's Calibration Scope of Accreditation.

2 SCOPE OF ACCREDITATION TO ISO & ANSI/NCSL Z SUN-TEC CORPORATION Ryan Court Novi, MI George Smolboski Phone: CALIBRATION Valid To: March 31, 2007 Certificate Number: In recognition of the successful completion of the A2LA evaluation process, accreditation is granted to this laboratory to perform the following calibrations 1 : I. Mechanical Parameter/Equipment Range Best Uncertainty 2 (±) Comments Standardized Rockwell Hardness and Rockwell Superficial Hardness Test Blocks 3 : Uniformity of Hardness 60 HRC and greater Below 60 HRC 0.4 HRC 0.7 HRC ASTM E18 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. 45 HRB and greater Below 45 HRB 0.4 HRBS 0.7 HRBS HRA (Carbide): 0.15 HRA 0.14 HRA 0.13 HRA HRA (Brass): 0.58 HRA 0.57 HRA 0.55 HRA HRA (Steel): 0.51 HRA 0.39 HRA 0.29 HRA (A2LA Cert. No ) 06/16/2005 Page 1 of 16

3 Standardized Rockwell Hardness and Rockwell Superficial Hardness Test Blocks 3 : (cont) HRB: 0.75 HRBS/0.71 HRBW 0.69 HRBS/0.61 HRBW 0.64 HRBS/0.51 HRBW ASTM E18 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. HRC: 0.37 HRC 0.36 HRC 0.35 HRC HRD: 0.64 HRD 0.62 HRD 0.59 HRD HRE: 0.54 HRES/0.53 HREW 0.53 HRES/0.50 HREW 0.51 HRES/0.49 HREW HRF: 0.65 HRFS/0.68 HRFW 0.73 HRFS/0.59 HRFW 0.87 HRFS/0.48 HRFW HRG: 0.58 HRGS/0.51 HRGW 0.56 HRGS/0.53 HRGW 0.5 HRGS/0.48 HRGW HRH: 0.65 HRHS/0.58 HRHW 0.58 HRHS/0.50 HRHW 0.5 HRHS/0.45 HRHW HRK: 0.5 HRKS/0.51 HRKW 0.52 HRKS/0.48 HRKW 0.52 HRKS/0.47 HRKW (A2LA Cert. No ) 06/16/2005 Page 2 of 16

4 Standardized Rockwell Hardness and Rockwell Superficial Hardness Test Blocks 3 : (cont) HRL: 0.51 HRLS/0.49 HRLW 0.5 HRLS/0.47 HRLW 0.49 HRLS/0.48 HRLW ASTM E18 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. HRM: 0.46 HRMS/0.50 HRMW 0.53 HRMS/0.50HRMW 0.71 HRMS/0.48 HRMW HRP: 0.55 HRPS/0.51 HRPW 0.55 HRPS/0.49 HRPW 0.54 HRPS/0.43 HRPW HRR: 0.58 HRRS/0.52 HRRW 0.58 HRRS/0.48 HRRW 0.59 HRRS/0.51HRRW HRS: 0.58 HRSS/0.45 HRSW 0.58 HRSS/0.49 HRSW 0.59 HRSS/0.39 HRSW HRV: 0.58 HRVS/0.60 HRVW 0.55 HRVS/0.49 HRVW 0.51 HRVS/0.53 HRVW HR15N: 0.48 HR15N 0.44 HR15N 0.42 HR15N HR15T: 0.7 HR15TS/0.68 HR15TW 0.53 HR15TS/0.49 HR15TW 0.46 HR15TS/0.49 HR15TW (A2LA Cert. No ) 06/16/2005 Page 3 of 16

5 Standardized Rockwell Hardness and Rockwell Superficial Hardness Test Blocks 3 : (cont) HR15W: 0.57 HR15WS/0.48 HR15WW 0.59 HR15WS/0.46 HR15WW 0.57 HR15WS/0.43 HR15WW ASTM E18 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. HR15X: 0.45 HR15XS/0.51 HR15XW 0.58 HR15XS/0.50 HR15XW 0.73 HR15XS/0.44 HR15XW HR15Y: 0.54 HR15YS/0.48 HR15YW 0.5 HR15YS/0.49 HR15YW 0.65 HR15YS/0.41 HR15YW HR30N: 0.63 HR30N 0.56 HR30N 0.43 HR30N HR30T: 0.56 HR30TS/0.56 HR30TW 0.52 HR30TS/0.50 HR30TW 0.47 HR30TS/0.39 HR30TW HR30W: 0.64 HR30WS/0.67 HR30WW 0.68 HR30WS/0.70 HR30WW 0.74 HR30WS/0.61 HR30WW HR30X: 0.64 HR30XS/0.53 HR30XW 0.67 HR30XS/0.51 HRXW 0.69 HR30XS/0.57 HR30XW HR30Y: 0.72 HR30YS/0.58 HR30YW 0.53 HR30YS/0.51 HR30YW 0.49 HR30YS/0.47 HR30YW (A2LA Cert. No ) 06/16/2005 Page 4 of 16

6 Standardized Rockwell Hardness and Rockwell Superficial Hardness Test Blocks 3 : (cont) HR45N: 0.47 HR45N 0.47 HR45N 0.55 HR45N ASTM E18 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. HR45T: 0.49 HR45TS/0.55HR45TW 0.5 HR45TS/0.48 HR45TW 0.63 HR45TS/0.52 HR45TW HR45W: 0.62 HR45WS/0.55 HR45WW 0.57 HR45WS/0.53 HR45WW 0.53 HR45WS/0.49 HR45WW HR45X: 0.65 HR45XS/0.57 HR45XW 0.65 HR45XS/0.61 HR45XW 0.68 HR45XS/0.59 HR45XW HR45Y: 0.55 HR45YS/0.54 HR45YW 0.55 HR45YS/0.53 HR45YW 0.68 HR45YS/0.59 HR45YW Standardized Brinell Hardness Test Blocks: 5 2.5/62.5/10 5/125/10 10/125/10 2.5/187.5/10 5/250/10 10/250/10 10/500/10 (35 to 200) HBW (20 to 100) HBW (10 to 25) HBW (95 to 600) HBW (40 to 200) HBW (15 to 50) HBW (40 to 130) HBW 0.5 μm 1 μm 0.5 μm 5 μm ASTM E10 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. (A2LA Cert. No ) 06/16/2005 Page 5 of 16

7 Standardized Brinell Hardness Test Blocks: 5 (cont) ASTM E10 except for flatness, parallelism, and surface roughness verification which are not performed by this laboratory. 5/750/10 10/1000/10 10/1500/10 10/2000/10 10/2500/10 10/3000/10 Uniformity of Hardness (90 to 600) HBW (35 to 200) HBW (50 to 300) HBW (65 to 400) HBW (80 to 500) HBW (95 to 600) HBW 225 HBW > 25 HBW 9 μm 50 μm 5 μm Standardized Vickers Test Blocks: Repeatability and ASTM E92 except for surface roughness verification which is not performed by this laboratory. 1 kgf 6 (100 to 240) HV (240 to 700) HV > 600 HV 1.9 % 0.89 % 0.72 % Standardized Microindentation Hardness Test Blocks 4 : (100 to 240) HV (240 to 600) HV > 600 HV 0.86 % 0.52 % 0.37 % ASTM E384 except for flatness, parallelism and surface roughness verification which are not performed by this laboratory. (100 to 250) HK (250 to 650) HK > 650 HK 0.74 % 0.49 % 0.22 % Leeb 750 HLD 9.5 HLD ASTM A956 (A2LA Cert. No ) 06/16/2005 Page 6 of 16

8 Direct Verification of Rockwell Hardness Testers: Test Force Indenter: Diamond Indenter (3 to 150) kg 0.25 % Direct verification method per ASTM E18. test force is by load cell per the method of ASTM E4. The dimensional characteristics of the diamond indenter are not verified; these indenters are verified through the performance test only. Carbide Ball Indenter: Diameter Vickers Hardness Steel Ball Indenter: Diameter Vickers Hardness 26 µin 19 HV 26 μin 7.8 HV The diameter is measured by mechanical comparison; Vickers hardness determination is by the method of ASTM E92. Depth-Measuring Device: Rockwell and Superficial Rockwell 3.6 μm (A2LA Cert. No ) 06/16/2005 Page 7 of 16

9 Indirect Verification of Rockwell Hardness and Rockwell Superficial Hardness Testers: 3 HRA: (Carbide) 0.18 HRA 0.17 HRA 0.15 HRA per ASTM E18 and ASTM E110 HRA: (Brass) 0.63 HRA 0.63 HRA 0.62 HRA HRA: (Steel) 0.62 HRA 0.51 HRA 0.35 HRA HRB: 0.82 HRBS/0.77 HRBW 0.73 HRBS/0.65 HRBW 0.66 HRBS/0.54 HRBW HRC: 0.45 HRC 0.44 HRC 0.40 HRC HRD: 0.67 HRD 0.66 HRD 0.61 HRD HRE: 0.61 HRES/0.60 HREW 0.60 HRES/0.57 HREW 0.58 HRES/0.57 HREW HRF: 0.90 HRFS/0.92 HRFW 0.79 HRFS/0.65 HRFW 0.69 HRFS/0.53 HRFW HRG: 0.61 HRGS/0.54 HRGW 0.59 HRGS/0.57 HRGW 0.53 HRGS/0.52 HRGW (A2LA Cert. No ) 06/16/2005 Page 8 of 16

10 Indirect Verification of Rockwell Hardness and Rockwell Superficial Hardness Testers: 3 (cont) HRH: HRK: 0.67 HRHS/0.61 HRHW 0.60 HRHS/0.52 HRHW 0.53 HRHS/0.49 HRHW 0.55 HRKS/0.56 HRKW 0.54 HRKS/0.51 HRKW 0.53 HRKS/0.49 HRKW per ASTM E18 and ASTM E110 HRL: 0.54 HRLS/0.53 HRLW 0.53 HRLS/0.50 HRLW 0.52 HRLS/0.52 HRLW HRM: 0.73 HRMS/0.71 HRMW 0.67 HRMS/0.64 HRMW 0.50 HRMS/0.59 HRMW HRP: 0.58 HRPS/0.55 HRPW 0.60 HRPS/0.54 HRPW 0.58 HRPS/0.48 HRPW HRR: 0.61 HRRS/0.56 HRRW 0.59 HRRS/0.52 HRRW 0.54 HRRS/0.57 HRRW HRS: 0.62 HRSS/0.49 HRSW 0.63 HRSS/0.55 HRSW 0.62 HRSS/0.44 HRSW HRV: 0.61 HRVS/0.63 HRVW 0.58 HRVS/0.53 HRVW 0.54 HRVS/0.56 HRVW HR15N: 0.66 HR15N 0.60 HR15N 0.51 HR15N (A2LA Cert. No ) 06/16/2005 Page 9 of 16

11 Indirect Verification of Rockwell Hardness and Rockwell Superficial Hardness Testers: 3 (cont) HR15T: HR15W: 0.78 HR15TS/0.77 HR15TW 0.64 HR15TS/0.60 HR15TW 0.56 HR15TS/0.59 HR15TW 0.70 HR15WS/0.62 HR15WW 0.65 HR15WS/0.56 HR15WW 0.60 HR15WS/0.48 HR15WW per ASTM E18 and ASTM E110 HR15X: 0.76 HR15XS/0.79 HR15XW 0.64 HR15XS/0.60 HR15XW 0.52 HR15XS/0.48 HR15XW HR15Y: 0.68 HR15YS/0.70 HR15YW 0.62 HR15YS0.68 HR15YW 0.57 HR15YS/0.44 HR15YW HR30N: 0.67 HR30N 0.65 HR30N 0.60 HR30N HR30T: 0.60 HR30TS/0.61 HR30TW 0.58 HR30TS/0.56 HR30TW 0.54 HR30TS/0.49 HR30TW HR30W: 0.77 HR30WS/0.79 HR30WW 0.74 HR30WS/0.77 HR30WW 0.69 HR30WS/0.63 HR30WW HR30X: 0.71 HR30XS/0.59 HR30XW 0.69 HR30XS/0.55 HR30XW 0.67 HR30XS/0.56 HR30XW HR30Y: 0.74 HR30YS/0.60 HR30YW 0.67 HR30YS/0.63 HR30YW 0.53 HR30YS/0.48 HR30YW (A2LA Cert. No ) 06/16/2005 Page 10 of 16

12 Indirect Verification of Rockwell Hardness and Rockwell Superficial Hardness Testers: 3 (cont) HR45N: HR45T: 0.60 HR45N 0.58 HR45N 0.54 HR45N 0.66 HR45TS/0.71 HR45TW 0.59 HR45TS/0.55 HR45TW 0.52 HR45TS/0.60 HR45TW per ASTM E18 and ASTM E110 HR45W: 0.65 HR45WS/0.59 HR45WW 0.63 HR45WS/0.59 HR45WW 0.57 HR45WS/0.54 HR45WW HR45X: 0.70 HR45XS/0.63 HR45XW 0.69 HR45XS/0.65 HR45XW 0.68 HR45XS/0.62 HR45XW HR45Y: 0.71 HR45YS/0.69 HR45YW 0.67 HR45YS/0.68 HR45YW 0.60 HR45YS/0.62 HR45YW Direct Verification of Brinell Hardness Testers: Direct verification per ASTM E10 and ASTM E110 Test Force Mean Diameter of the Indenter (3000, 2500, 2000, 1500, 1000, 750, 500, 250, 187.5, 125, 62.5) kgf (2.5, 5, 10) mm % 0.65 μm test force is by load cell per the method of ASTM E4. By mechanical comparison. Device for Measuring Indentation Diameters 2.6 μin (A2LA Cert. No ) 06/16/2005 Page 11 of 16

13 Indirect Verification of Brinell Hardness Testers at Test Condition(s): method per ASTM E10 and ASTM E /62.5/10 (35 to 100) HBW (100 to 200) HBW 3 μm 3 μm 2 HBW 5/125/10 (20 to 100) HBW 3 μm 0.6 HBW 10/125/10 (10 to 25) HBW 0.5 HBW 2.5/187.5/10 (95 to 300) HBW (300 to 600) HBW 2 μm 2 μm 0.5 HBW 5/250/10 (40 to 100) HBW (100 to 200) HBW 10 μm 7 μm 2 HBW 10/250/10 (15 to 30) HBW (30 to 50) HBW 30 μm 1 HBW 10/500/10 (40 to 90) HBW (90 to 130) HBW 1 HBW (A2LA Cert. No ) 06/16/2005 Page 12 of 16

14 Indirect Verification of Brinell Hardness Testers at Test Condition(s): (cont) method per ASTM E10 and ASTM E110. 5/750/10 (90 to 300) HBW (300 to 600) HBW 10 μm 4 HBW 10/1000/10 (35 to 100) HBW (100 to 200) HBW 30 μm 1 HBW 10/1500/10 (50 to 200) HBW (200 to 300) HBW 30 μm 2 HBW 10/2000/10 (65 to 250) HBW (250 to 400) HBW 30 μm 3 HBW 10/2500/10 (80 to 300) HBW (300 to 500) HBW 3 HBW 10/3000/10 (95 to 350) HBW (350 to 600) HBW 30 μm 3 HBW (A2LA Cert. No ) 06/16/2005 Page 13 of 16

15 Direct Verification of Vickers Hardness Testers: Verification of the Test Force Verification of the Device for Measuring Indentation Diagonals (1 to 50) kgf 0.05 % % Direct verification method per ASTM E92. test force is by load cell per the method of ASTM E4. dimensional characteristics of the indenter is not performed. Indirect Verification of Vickers Hardness Testers 6 (100 to 240) HV (>240 to 600) HV >600 HV 4.2 μm 0.22 % 0.19 % 0.14 % per ASTM E92. Repeatability uncertainty is given as a percentage of the mean of 5 diagonals. Direct Verification of Vickers and Knoop Hardness Testers: Direct verification method per ASTM E384. Verification of the Test Force Verification of the Device for Measuring Indentation Diagonals (10 to 1000) gf 0.1 % % test force is by load cell per the method of ASTM E4. dimensional characteristics of the indenter is not performed. (A2LA Cert. No ) 06/16/2005 Page 14 of 16

16 Indirect Verification of Microindentation Hardness Testers (Knoop and Vickers) Repeatability under forces P (gf): 10 P < 500 method per ASTM E HK HV < HK < HV % 0.21 % Best uncertainty is stated as the repeatability as defined in E384. HK > 650 HV > % Indirect Verification of Microindentation Hardness Testers (Knoop and Vickers) (cont) Repeatability under forces P (gf): 500 P HK HV < HK < HV % 0.16 % method per ASTM E384. Best uncertainty is stated as the repeatability as defined in E384. HK > 650 HV > % 2.4 μin Best uncertainty is stated as error as defined in E384. of Leeb Testers HLD 16 HLD ASTM A956 Direct Verification of the Ball Punch Deformation and Force (1 to 25) lbf (25 to 100) lbf (100 to 500) lbf (500 to 2000) lbf (2000 to ) lbf ( to ) lbf % % % % % % ASTM E643 (ball punch) and ASTM E4, load cells (force) (A2LA Cert. No ) 06/16/2005 Page 15 of 16

17 1 This laboratory offers commercial calibration service and on-site calibration service. 2 Best Uncertainties represent expanded using a coverage factor of k = 2 which provides a level of confidence of approximately 95 %. The uncertainties achievable on a customer's site can be expected to be larger than the Best Measurement Capabilities (BMC) that the accredited laboratory has been assigned as Best Uncertainty on the A2LA Scope. Allowance must be made for aspects such as the environment at the place of calibration and for other possible adverse effects such as those caused by transportation of the calibration equipment. The usual allowance for the uncertainty introduced by the item being calibrated, (e.g. resolution) must also be considered and this, on its own, could result in the calibration uncertainty being larger than the BMC. 3 The standardized test blocks used for verification are calibrated at the Sun-Tec Standardizing Laboratory in accordance with ASTM E18 using NIST Rockwell HRC standard reference material (SRM) 2810, 2811, and 2812, unless otherwise noted. All other Rockwell scales are traceable to Sun-Tec hardness levels through laboratory standardizing machines. The standardizing machines are directly verified according to ASTM E18 using devices that are traceable to NIST. 4 The standardized test blocks used for verification are calibrated at the Sun-Tec Standardizing Laboratory in accordance with ASTM E384 using NIST Vickers or Knoop standard reference material (SRM) 2798 and All other micro-indentation scales are traceable to Sun-Tec hardness levels through laboratory standardizing machines. The standardizing machines are directly verified according to ASTM E384 using devices that are traceable to NIST. 5 The standardized test blocks used for verification are calibrated at the Sun-Tec Standardizing Laboratory in accordance with ASTM E10 and are traceable through laboratory standardizing machines. The standardizing machines are directly verified according to ASTM E10 using devices that are traceable to NIST. 6 The standardized test blocks used for verification are calibrated at the Sun-Tec Standardizing Laboratory in accordance with ASTM E92 using devices that are traceable to NIST. 7 The standardized test blocks used for verification are calibrated at the Sun-Tec Standardizing Laboratory in accordance with ASTM E18 and ASTM B294 using a secondary master set from the CCPA. 8 The standardized test blocks used for verification are calibrated at the Sun-Tec standardizing laboratory in accordance with ASTM A956. (A2LA Cert. No ) 06/16/2005 Page 16 of 16