Interpretation of national standard codes

ANSI (formerly ASA, USASI)-American National Standard ISIRI-Iranian Standard ONORM-Austrian Standard
API-American Petroleum Institute Standard ISO-National Standard OSS-Sudan Standard

ASME-American Society of Mechanical Engineers Standard IS-Indian Standard PNA-Paraguayan Standard

ASTM-American Society for Testing and Materials Standard ITINTEC-Peru Standard PN-Polish Standard

AS-Australian Standard J.S.S-Jordan Standard PS-Pakistan Standard

AWS-American Welding Association Standard JIS-Japanese Industrial Standard PTS-Philippine Standard

AWWA-American Water Works Association Standard JPI-Japan Petroleum Institute Standard S.I-Israel Standard

BDSI-Bangladesh National Standard JS-Jamaica Standard S.S.-Singapore

BS-British Standard JUS-Yugoslavian Standard SABS-South African Standard

BS-British National Standard KSS-Kuwait Standard SASO-Saudi Arabia Standard

C.S.-Sri Lanka Standard KS-Korea Standard SFS-Finnish Standard

CAS, CA-Rhodesia, Central African Standard L.S.-Lebanon Standard SIS-Swedish Standard

COSQC-Iraq Standard LS-Libya Standard SLS-Sri Lanka Standard

CSA-Canadian Standard MCIR-Cyprus Standard SNIMA-Moroccan Standard

CSK-Democratic People’s Republic of Korea Standard MSS-American Valve and Fitting Manufacturer Standardization Association Standard SNV-Swiss Standards Association Standard

CSN-Former Czechoslovak Standard MSZ-Hungarian Standard SSS-Syrian Standard

DGNT-Bolivia Standard MS-Malaysian Standard SS-Sudan Standard

DGN-Mexico official standard NBN-Belgium standard STASH-Albania standard

DIN-German National Standard NB-Brazil Standard STAS-Romanian Standard

DS-Danish standard NC, UNC-Cuban standard TCVN-Vietnam Democratic Republic standard

E.S.-Egypt Standard NCh-Chile Standard TGL-Former German Democratic Republic Standard

ELOT-Greek Standard NEN-Dutch Standard TNAI-Thailand Standard

ESI-Ethiopian Standard NF-French Standard TS-Turkish Standard

GS-Ghana Standard NHS-Greek National Standard UBS-Burma Union Standard

ICONTEC-Columbia Standard NI-Indonesia Standard UNE-Spain Standard

IEC-International Electrotechnical Commission NOP-Peru Standard UNIT-Uruguayan Technical Standards Association Standard

INAPI-Algeria Standard NORVEN-Venezuelan Standard UNI-Italian Standard

INEN-Ecuadorian Standard NP-Portuguese Standard VCT-Mongolian National Standard

IOS-Iraq Standard NSO-Nigeria Standard ZS-Zambia Standard

IRAM-Argentine Standard NS-Norwegian Standard БДС-Bulgarian Standard

IRS-Irish Standard NZS-New Zealand Standard ГССТ-Former Soviet Standard