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1 What is Pi Tape? .. O .. 1944 .. 1966 .. 1988 .. , , , , . , , , .. PVC. 60.. JFE .. R. To choose an appropriate tape .. ). - - . ). - - . ) ( ). ( ) - - - - ) - - - - . ( ) ( ).. 1095 . 716 . 1095 . 1095 .. 1095 PM 716 PM SS .. / / . 7-10% 51RC 7-12% 49-53RC. 259,600 PSI 235,690 PSI 248,000-277,000 PSI. PSI= /inch 2 210,000 PSI PSI= /inch 2. 1095 EZ . PM WEZ 1095 EZ . PM EZ . 1095 1095 .. / / . 7-10% 51RC 7-10% 51RC. 259,600 PSI 235,690 PSI 259,600 PSI 235,690 PSI. PSI= /inch 2 PSI= /inch 2.. (%). C Si Mn Cr P S. 1095 - - ( ( . 716 ( .. 1200 .. 4 . 900-1200mmO.. 900mm .. 4 R. CALIBRATION SERVICE.. ISO/IEC 17025:2005 ANSI/NCSL Z540-1-1994 ANSI/NCSL Z540-3-2006 MIL STD 45662A ISO 10012-1, 10 CFR, part21, 10 CFR, part 50, Appendix B .. February 2007. Traceability System for Diameter, Circumference and Linear Measuring Tapes - Pi Tape Corporation NIST.

2 National Institute of Standards and Technology .. Internatonal Accreditation Service American Association for Laboratory Accreditation National Voluntary Laboratory Accreditation Program . IAS A2LA NVLAP.. Mitutoyo America Corporation A2LA Accredited Laboratory Accurate Laboratories, Inc. A2LA Accredited Laboratory The Starrett Company NVLAP Accredited Laboratory . American Gage . IAS Accredited Laboratory 1 .. Ring Gage #1000 (25mm). 3 . Ring Gage #3000 (76mm). Ring Gage #102098 (125mm). Ring Gage #5000 (127mm). Ring Gage #6000 (400mm). Ring Gage #042199 (500mm). Ring Gage #201 (600mm). Ring Gage #1128 (700mm). A2LA . Ring Gage #36585 (900mm). Ring Gage #1144 (1100mm). A2LA . Linear Machine #62494. A2LA . Linear Machine #31738. 2LA .. Pi Tape Products 5. R. PI TAPE.. PM4: 900-1200mm).. 1570 1580 1590 1600..1mm 0 10.. 0 1575 1576.

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