Supply Of Calibrated Bhn Test Block, Calibrated Bhn Test Block(3000 Kgf/10Mm) Range:260 Bhn-04 Nos., (Reference Is:2281/2005 & 4132/2005) Calibration Of Block Should Be Certified By Nabl Accredited Lab & Issued In Favour Of Chemical & Metallurgical Laboratory/Rwp/Bela, Calibrated Bhn Test Block(3000 Kgf/10Mm) Range:280 Bhn-04 Nos., (Reference Is:2281/2005 & 4132/2005) Calibration Of Block Should Be Certified By Nabl Accredited Lab & Issued In Favour Of Chemical & Metallurgical Laboratory/Rwp/Bela, Calibrated Bhn Test Block(3000 Kgf/10Mm) Range:310 Bhn-04 Nos., (Reference Is:2281/2005 & 4132/2005) Calibration Of Block Should Be Certified By Nabl Accredited Lab & Issued In Favour Of Chemical & Metallurgical Laboratory/Rwp/Bela