... -STD 3.Material:A234 WPB 4.Standard:ANSI B16.9 ANSI B16.9 dn20 pipe fittings Production name45/90/180,Long/Short ... UNS S32760STANDARDSANSI, ISO, JIS, DIN, BS, GB,CE and CertificationISO9001:2000 API BV SGS, LOIYDApplications rangePetroleum ,chemical, power, gas, metallurgy, shipbuilding ... Specialized HACE & HIC Fittings contacter:Anna 86-15132790778 ANSI B16.9 dn20 pipe fittings