EN 
ES
PT
RU
KO
DE
TR
FR
JA
Kev Taw Qhia
- EN 10220 Seamless and Welded Steel Tubes
- API 5L Stanard Petroleum and Natural Gas Industries-Steel Pipe for Pipeline Transportation Systems
- AWWA C200 Steel Water Pipe
- DIN EN 10219-1 Cold Formed Welded Structural Hollow Sections of Non-alloy and Fine Grain Steel
- DIN 30670 Polyethylene Coating for Steel Pipes and Fittings
- ASTM A500 Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes
- ASTM A519 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
- ASTM A213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-ExchangerTubes
- SGS Report of LSAW Steel Coated Pipes
- SGS Report for SMLS Steel Pipe