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\

KING.KING TESTER CORPORATION

The Name Behind The Standqrd For Over 60 Yeurs

Certificate of Galibration and VerificationKing Tester Corporation certifies that each Kine Portable Brinell Hardness

Tester is manufacturbd and calibrated in full accorddnce with the standards set forthin ASTM El0-12 and ASTM El10-10-12. King Portable Brinell sal Tc-52was calibrated using a Morehouse Proving Ring to within l% of load, using a nervlOmm Tungsten Carbide Brinell ball.

The Proving Ring was calibrated using dead weight set traceable to NIST LabNo. 882/267283-02 and dead weight force machine traceable to MST Lab No.82212s5038-9s.

The 10mm Tungsten Carbide Brinell Ball included with the King PortableBrinell Tester is in full accordance with the requirements of ASTM-EL}-L2 clauseA3.4 conforming with ASTM E-92; ABMA Grade 24; and ABMA Standard10.1989. Each tester is calibrated in a temperature controlled room maintained at atemperature of 23"t2"C and arelative humidity of 570%.

Morehouse Proving Ring SA{: 60241 3000 KG:610Morehouse Calibration Report 60241D2612 Date: ApriI 26, 2012

Test (l) 610Test (2) 610Test (3) 610Test (4) 610

Average Number: 610Temperature at time of Calibration: 22"CRelative Humidity at time of Calibration: lgoh

King Tester Corporation

lErnest L, EiffifeErnest L. BiddleVice President-Sales & Marketingattes(p_ f{d//4Calibrating Technician:

: November 30.2012

The Name Behind The Standard For Over 60 Yearc KING.KING TESTER CORPORATION

TUNGSTEN CARBIDE BALL CERTIFICATION

The following ball or balls from the lot specified below have beenverified and it has been determlned that they meet the requirementsof ASTM E10-12 clause A3.4 indenter balls and ISO 6506-2:2005(E)clause 4.3; as per Table 2 6506-3:2005, clause 4.5.

The laboratories listed below are accredited to ISO/IEC 17025,ANSI/NCSL Z 540-1, 1994.

Size: 1Omm Carbide BallLot # 124513-1

Dimension: Spheric-Trafalgar LTD; West Sussex, UK RH203DJU KAS Certifi cat e l*677 81 N IST Certificate : 683/28 17 92-1 2

Chemical: Element Materials Technology15062 Bolsa Chica; Huntington Beach, CA 92649A2LA Certificate #0093-01; 0093-02

Hardness: David L Ellis Co., Inc.,310 Old High Street; Acton, MA 01720A2LA Certificate #1 31 0.01

The original reports are kept on file and may be released uponrequest if necessary.

lErncst L, Bi[d[^eKing Tester Corporation Date: November 30,2012

KING.The Name Behind The Standard For Oyer 60 years

KING TESTER CORPORATION

CERTIFICATE OF VERIFICATION

This is to certify that this Brineil test brock has been marked by aBrinell rester which has been calibrated with a MorehouseProving Ring. This proving ring is calibrated traceable to Nlsrstandard 737l22grsg. Each master impression on the test blockhas been measured on a stationery microscope with a traversingstage. The 60-power microscope is calibrated traceable to Nlsr731122722. The traversing stage is calibrated on gauge blockstraceabfe to Nlsr 73t24sog1:go. Each test bt6ck is in fullaccordance with standards set forth by ASTM E1O-12

Load Used: 3OO0kg. Bali Dianeter Used:.,,l Omm

KING BRINELL TEST BLOCK

Serial Number 6y2791

The average diameter of position #1=3.gg7mmThe average diameter of position #2=3.gggmmThe average diameter of position #3=4.005mmThe average diameter of positionffl,=4.029mmThe average diameter of position #S=4.01SmmThe average diameter of the block is 4.007mm'The Brinell Hardness Number (BHN) 22g

U.S- Pat D3M-427

KING TESTER CORPORATION

DATE: December 4,2012

*Full Report on Reverse*

The Name Behind The Standard For Over 60 years KING.KING TESTER CORPORATION

KING DEEP READING BRTNELL 20x MtcRoscopECERTIFICATE

we certify that eaci King Deep Reading Brinell Microscope isaccurate anij- cofibct. Eaeh King Brinell Microscope isassembled in a room with controlled ambienttemperature andlighting.

To insure accuracy, each microscope is calibrated on a stageMicrometer which, when used to calibrate a King DeepReading Brinell Microscope, will ensure that the differencebetween readings corresponding to any two divisions of theTicroTgp.e is correct within 0.001 MM to ASTM E10-12, torType B Brinell Microscopes, traceable to Nlsr 231122722.

No microscope is allowed to leave the factory until it meetsthese criteria.

Serial Number: 12394

KING TESTER CORPORATIONlErnest L. (BiffiteErnest L. BiddleVice President-Marketing & Sales

Date: November 3e,2012