| Style | Material | Standard | Technical | Grade |
| Seamless Steel Pipe | Carbon Steel | API 5L PSL1&PSL2 | Hot finish or cold finish | GR.B,X42,X46,X52,X60,X65,X70,etc |
| ASTM A53 | Hot finish or cold finish | GR.A ,GR.B | ||
| ASTM A106 | Hot finish or cold finish | GR.A ,GR.B，GR.C | ||
| ASTM A179 | cold finish | A179 | ||
| ASTM A192 | Hot finish or cold finish | A192 | ||
| ASTM A210/SA210 | Hot finish or cold finish | GR.A-1,GR.C | ||
| ASTM A252 | Hot finish or cold finish | GR.1, GR.2,GR.3 | ||
| BS EN10210 | Hot finish or cold finish | S275JRH,S275J0H,S355J0H,S355J2H,etc | ||
| JIS G3454 | Hot finish or cold finish | STPG370,STPG410 | ||
| JIS G3456 | Hot finish or cold finish | STPG370,STPG410,STPG480 | ||
| Alloy Steel | JIS G3441 | Hot finish or cold finish | SCM420TK，SCM415TK，SCM418TK，SCM430TK,etc | |
| ASTM A213 | Hot finish or cold finish | GR.T11 ,GR.T12,GR.T13 | ||
| ASTM A519 | Hot finish or cold finish | GR.1020,GR.1026,GR.1045，GR.4130,etc | ||
| ASTM A335 | Hot finish or cold finish | GR.P9,GR.P11,GR.P5,GR.P22，GR.P91,etc | ||
| ASTM A333 | Hot finish or cold finish | GR.1, GR.3,GR.4，GR.6,etc |
Botop Steel is the leading manufacturer and stockist of steel pipe and tubes in China, we stock and supply circular seamless carbon steel pipe for liquid and petroleum applications in size range of 10 OD to 660 OD in thickness range of 1mm to 100mm. We manufacture carbon LSAW steel pipes strictly according to international standard like ASTM,API &DIN. We owns more than 8000 tons seamless line pipe in stock monthly, generally we can be deliver the goods immediately. However in special cases, if stock of carbon steel pipes is not available we can deliver the goods with shortest delivery time through local mill sources or import
A sufficient number of visual surface imperfections to provide seasonable assurance is necessary. The defect shall be removed or cut off within the limits of requirements on length . The finished pipe shall be reasonably straight.
All our steel pipes and tube products are supplied with 3.1 specific test certificates, according to EN 10204. Certification according to 3.2 can be agreed at the time of ordering. Third party inspection is accepted(BV, SGS,etc)
Manufacturer’s name or mark
Specification number(year-date or required)
Size( OD, W.T, length)
Grade( A or B)
Type of pipe( F, E, or S)
Test pressure( seamless steel pipe only)
Heat Number
Any additional information specified in the purchase order.
Dimension Tolerances：
|
Pipe Type |
Pipe Sizes |
Tolerances |
|
|
Cold Drawn |
OD |
≤48.3mm |
±0.40mm |
|
≥60.3mm |
±1％mm |
||
|
WT |
±12.5％ |
||
Out Diameter Inspection
Wall Thickness Inspection
End Inspection
Straightness Inspection
UT Inspection
Appearance Inspection
Mechanical Properties：
|
|
|
|
A％ |
|
|
A |
≥330 |
≥205 |
20 |
Annealed |
|
B |
≥415 |
≥240 |
20 |
Annealed |
|
C |
≥485 |
≥275 |
20 |
Annealed |
Mechanical Properties Test
Bend Test
Mechanical Properties Test
Hardness Test
Bare pipe, black coating ( customized);
6" and below sizes In bundles with two cotton slings, other sizes in loose;
Both ends with end protectors;
Plain end, bevel end;
Marking.
Pipe End Beveling
Plastic Caps
Black Painting with Marking
Wrapper
Bundling and Sling
Package Appearance
Pipe ordered under this specification shall be suitable for bending, flanging, and similar forming operations, and for welding. When the steel is to be welded, it is presupposed that a welding procedure suitable to the grade of steel and intended use or service will be utilized.
Seamless Pipe Ship to Qatar
Seamless Pipe ship to Pakistan
Seamless Pipe Ship to South Africa
