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By certification 
Application
● Line pipe for Water Transmission and Distribution Network System
● Fire Fighting System
● Water Treatment Plant
● Line pipe for Oil and Gas
● Casing and Sleeve
● Pilling
● Structure Tube
Pipe End Joint Type of Carbon Steel Welded Pipes (Tubes)
◆ Butt Welding with plain or beveled end
◆ Threaded
◆ Socket (Bell) Spigot with gasket
◆ Flanged
◆ Grooved
Reference Standard of Carbon Steel Welded Pipes (Tubes)
API |
API 5L/API 5CT |
AWWA |
AWWA C200 |
ASTM |
ASTM A53/A134/A135/A139 |
ASME |
ASME B36.10 |
BS |
BS21/ BS534/ BS539/ BS1387/ BS1740/ BS2633/ BS3600/ BS3601/ BS4504/ BS6920-2-1/ BS8010-1 |
DIN |
DIN76/ DIN1626/ DIN1630/ DIN1629/ DIN2413/ DIN2440/ DIN2441/ DIN2442/ DIN2448/ DIN2460/ DIN2559/ DIN2873/ DIN17172/ DIN30674 |
EN |
EN10208/ EN10216/ EN10217/ EN10219/ EN10220/ EN10224/ EN10226/ EN10240/ EN10241/ EN10253/ EN10255/ EN10311 /EN14161 |
ISO |
ISO7/ ISO65/ ISO3183/ ISO4145 |
The Carbon Steel Welded Pipes (Tubes) can be further processed after forming, by surface finish and external & internal coating, it can be lightly oiled, hot dip galvanized, electro galvanized, black, bare, varnish coating, protective coated (Cement, Coal Tar, Bitumen, Liquid Epoxy, Fusion Bond Epoxy, 3-layers PE), ect, and detailed coatings refer to the following reference standards and specifications
API |
API RP 5L2/API RP 5L7/API RP 5L9 |
AWWA |
AWWA C203/205/209/210/213/214/215/216/217/218/602 |
BS |
BS534/BS7873 |
DIN |
DIN30670/DIN30671/DIN30672/DIN30675/DIN30678 |
EN |
EN10228/EN10289/EN10310/EN10339 |
ISO |
ISO21809 |
NF |
NF A49-710/NF A49-711 |
Steel Grade of Carbon Steel Welded Pipes (Tubes)
Reference |
Steel Grade |
API 5L/ISO3183 |
PSL1: A/L210 B/L245 X42/L290 X46/L320 X52/L360 X56/L390 X60/L415 X65/L450 X70/L485 PSL2: BN/L245N X42N/L290N X46N/L320N X52N/L360N X56N/L390N X60N/L415N X65N/L450N X70N/L485N X80N/L555N: BM/L245M X42M/L290M X46M/L320M X52M/L360M X56M/L390M X60M/L415M X65M/L450M X70M/L485M X80M/L555M |
API 5CT |
H40 J55 K55 N80 |
ASTM A53 |
GR.A GR.B |
ASTM A252 |
GR.1 GR.2 GR.3 |
EN10217-1 |
P195TR1 P235TR1 P265TR1 P195TR2 T235TR2 P265TR2 |
EN10217-2 |
P235GH P265GH |
EN10219-1/2 |
S235JR S275J0 S275J2 S355J0 S355J2 S355K2 |
Sizes Range of Carbon Steel Welded Pipes (Tubes)
Sizes |
ERW |
LSAW |
SSAW |
Outer Diameter (DN) |
6-600 |
400-1800 |
200-3600 |
Wall Thickness (mm) |
1.7-20.6 |
6.0-30.0 |
5.0-25.4 |
Length (m) |
6, 12, Customized length available |
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