API ERW Carbon Steel Pipes
Standard related to Grade:
No. | Name | Standard | Grades | Application |
1 | Casing Pipes | API 5CT | H40,K55, N80-1,J55 |
For oil-gas well casing |
2 | Line Pipes | API 5L | A, B–X70 L210–L485 |
For the pipeline transportation of oil and natural gas |
3 | Welded Steel Tubes
For Pressure Purposes |
EN10217-1 | P195TR1 P195TR2 P235TR1 P235TR2 P265TR1 P265TR2 |
Welded Steel Tubes For Pressure Purposes |
Surface: Lightly oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish coating/Anti rust oil, Protective Coatings (Coal Tar Epoxy ,Fusion Bond Epoxy, 3-layers PE)
Chemical Analysis(%):
Type of pipe | Class | Grade | C | Si | Mn | P | S | V | Nb | Ti |
max | max | max | max | max | max | max | max | |||
Welded | PSL1 | L245 B | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – |
L290 X42 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L320 X46 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L360 X52 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L390 X56 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L415 X60 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L450 X65 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
L485 X70 | 0.26 | – | 1.2 | – | 0.03 | 0.03 | – | – | ||
PSL2 | L245M BM | 0.22 | 0.45 | 1.2 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | |
L290M X42M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L320M X46M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | ||
L360M X52M | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | – | – | – | ||
L390M X56M | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | – | – | – | ||
L415M X60M | 0.22 | 0.45 | 1.6 | 0.025 | 0.015 | – | – | – | ||
L450M X65M | 0.22 | 0.45 | 1.6 | 0.025 | 0.015 | – | – | – | ||
L485M X70M | 0.22 | 0.45 | 1.7 | 0.025 | 0.015 | – | – | – | ||
L555M X80M | 0.22 | 0.45 | 1.85 | 0.025 | 0.015 | – | – | – |
Warehouse and Stock Indoor:
Manufacture Process:
Type of pipes | Similar specification | |||||
Type | Manufacturing
method |
Korea | Japan | U.S.A | U.K/
Others |
Application |
ERW | Carbon steel pipes for ordinary piping (KS D 3507/SPP) | Carbon steel pipes for ordinary piping (JISG 3452/SGP) | ASTM A53 | BS 1387 EN10255 IS065 | Steel pipes for steam, air, water, oil and gas etc. with relatively low pressure | |
ERW | Galvanized steel pipes for water service (KS D 3537/SPPW) | Galvanized steel pipes for v\/at6「service (JISG 3442/SGPW) | ASTM A53 | BS 1387 EN10255 IS065 | Steel pipes for water supply with 100m or less at water head | |
Steel pipes for ordinary piping | ERW
Spiral Roll bending |
Coated steel pipes for water works
(KS D 3565/STWW) Fittings of coated steel pipes for water works (KS D 3578) |
– | AWWA C200, C203 | – | Steel pipes for water works |
Spiral
Roll bending |
Arc welded carbon steel pipes (KS D 358B/SPW) | Arc welded carbon steel pipes (JISG 3457/STPY) | ASTM A 134,
A139,A671, A672 |
– | Steel pipes for steam, air, water, oil and gas etc. With relatively low pressure | |
Steel pipes for pressure service | ERW and SAW | Carbon steel pipes for pressure service (KS D 3562/SPPS) | Carbon steel pipes for pressure service (JISG 3454/STPG) | ASTM A53 API 5L | BS 3601
EN10217-1 ISO9330-1 |
Steel pipes for application at a temperature of 350° C or less |
Roll bending | Arc welded carbon steel pipes (KS D 358B/SPW) | Arc welded carbon steel pipes (JISG 3457/STPY) | – | – | Piping for steam, water, gas, air of comparatively low working pressure. | |
ERW | Carbon steel tubes for machine structural purposes (KSD3517/STKM) | Carbon steel tubes for machine structural purposes (JISG 3445/STKM) | ASTM A513 | BS 980 BS 1717 BS 1775 | Steel pipes for application for mechanical Parts such as machinery, automobiles, bicycles, furniture and fixtures etc. | |
Steel pipes for
structural purposes |
ERW
Spiral Roll bending |
Caron steel tubes for machine structural purposes (KS D 3566/STK) | Carbon steel tubes for general structural purposes (JIS G 3444/STK) | ASTM A500 | BS 980 BS 1139 BS 4848 | Steel pipes for application for structures such as civil works, architecture, steel tower, scaffolding, piles, veranda and fence and post etc. |
ERW | Carbon steel square pipes for general structural purposes (KS D 3568/SPSR) | Carbon steel square pipes for general structural purposes (JIS G 3466/STKR) | ASTM A500 | BS 4848 | Steel pipes for application tocivil works, architecture and other stuctures | |
ERW
Roll bendinq |
Steel pipe piles (KS F 4602) | Steel pipe piles (JISA 5525/SKK) | ASTM A252 | – | Steel pipes for foundation civil works, architectures etc. | |
Spiral
Roll bending |
– | – | Fubrication of structural steel pipe (API 2B) | – | Offshore structure.
Piping and main structural members |
|
Line
pipe |
ERW
Roll bending |
– | – | API 5L (GR, A, B, X42, X46, X52, X56, X60, X65, X70, X80) | – | Steel pipes for transportation petroleum and natural gas |
OCTG | ERW | – | – | API 5CT (H40, J55, K55, N80) | – | Steel pipes for development for petroleum and natural gas |
Conduits | ERW | Rigid steel conduits (KSC 8401) | Rigid steel conduits (JIS C 8305) | ANSI C80.1 UL6 | BS 31 | Steel pipes for protection of electric cable at electric distribution lines |
Steel tubes for boiler & heat exchanger | ERW | Carbon steel boiler and heat exchanger tubes (KS D 3563/STBH) | Carbon steel boiler and heat exchanger tubes (JISG 3461/STB) | ASTM A 178, A 214, A 226 | BS 3059 BS 3606 | Water pipes for boiler, connection pipe, overheat engine, air preheating pipe and heat exchange pipes, condenser |
Coated steel pipes | ERW
Spiral Roll bending |
– | – | – | – | Coated steel pipes for protection of outside surface of steel pipe for underground burial. |
Steel tubes for tower structural purposes | ERW
Spiral Roll bending |
– | – | – | – | High tensile steel pipes applicable to electric transmission tower |